Snotel nevada

Northern California / Western Nevada; Colorado; Southern Idaho; Northern Idaho / Western Montana; Nevada / Utah; Northeastern Nevada; New Mexico; Oregon; Utah ; Washington; Wyoming; Drop-down list access to all SNOTEL sites. After selecting the above link to the desired state, click on the desired site.

The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the. snowpack were melted, expressed in inches. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020.SNOTEL Site: Ward Mountain State: Nevada Site Number: 849 County: White Pine Latitude: 39 deg; 8 min N Longitude: 114 deg; 57 min W Elevation: 9163 feet Reporting since: 1980-10-01 Questions about this site.The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the. snowpack were melted, expressed in inches. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches. Contact your state water supply staff for assistance. Medians and averages are …This study highlighted the role that differences in the site characteristics of the PRISM source data in the area (in this case SNOTEL stations located in flat areas surrounded by forest), and those of the comparison stations (primarily steep, open slopes) can play in producing local temperature biases. StrengthsAZ All Snotel (cnda3 mvfa3 wcta3 xbha3 bbsa3 bkba3 blda3 cdra3 frva3 frya3 hbea3 mmna3 mrma3 nuta3 proa3 whla3 wkma3 xhja3) AZ Group (mvfa3 cnda3 wcta3 xbha3) AZ River Group (blda3 cnda3 hnma3 mvfa3 wcta3) Above Lake Powell (bgsw4 bndu1 brtc2 btsc2 ekpw4 fmtc2 idpc2 mcpc2 mmtu1 oldw4 rmpc2 scku1 seeu1 stdu1 sumc2 towc2 …Wildland Fire Remote Automated Weather Stations (RAWS). Listings contain the station name, elevation, latitude, and longitude. Lists might be slightly different than what is actually available, e.g., portable station, new stations or active/inactive status. These data are continously maintained at https://raws.dri.edu .In the Sierra Nevada, snowpack is just about gone at SNOTEL elevations. For example, Mount Rose Ski Area, Nevada, on the northeast side of Lake Tahoe in the Carson Range, melted out on May 14, and the median melt out date was June 10. Melt out three to four weeks early was common throughout the Sierra.

The best time to visit the Thomas Canyon camping area is from June to September when the weather is mild, with average temperatures ranging from 50 to 80 degrees Fahrenheit. This is also the busiest time of year, so visitors should plan ahead and be prepared for crowds. Get driving directions. Weather today, Mostly cloudy, with a low around 33.SNOTEL Site: Marlette Lake State: Nevada Site Number: 615 County: Carson City Latitude: 39 deg; 10 min N Longitude: 119 deg; 54 min W Elevation: 7884 feet Reporting since: 1978-10-01 Questions about this site.SNOTEL (SNOw TELemetry): An automated near real-time data collection network that provides mid to high elevation hydroclimatic data from mountainous regions of the …Quick Links. Interactive Map; Predefined Map Links; Update Report; Report Generator; Water Supply Forecast Charts; Contact Us; Weekly Water and Climate UpdateThe Tahoe Basin, meanwhile, is at 246 percent of median snowpack, the second highest for the basin since 1981. Marlette Lake, which sits above Carson City, set an April 1 record based on 105 years of data, Anderson said. According to the U.S. Drought Monitor, updated March 28, much of the Sierra and western Nevada is out of drought, though ...snow water equivalent at selected SNOTEL sites in or near the basin compared to the median (or average) of the maximum seasonal values observed each water year for those sites. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. Provisional data, subject to revision.

Snow water equivalent (SWE) is currently at 200% to over 300% of normal for much of this region, with record high SWE for this time of year at a number of SNOTEL sites in the Sierra Nevada. There are still small areas of snow drought in isolated regions, including the Sangre De Cristo Mountains, straddling the New Mexico-Colorado border.The NRCS Snow Surve y monitors hydro-climatic conditions in the Owyhee above Owyhee sub-basin and uses these data to issue streamflow forecasts for the Owyhee River near Gold Creek to assist with management of Wildhorse Reservoir. There are seven SNOTEL data collection sites that monitor snowpack (snow water and snow depth), precipitation, soil ...An Interactive Map Application is an easy way for you to directly view NDEP's GIS data. These applications grab spatial data dynamically from NDEP's central geodatabase and present it to you in a web browser interface. Our maps are designed in the Geocortex and Web AppBuilder for ArcGIS applications. All maps are mobile device compatible.Current and Historic. Daily SNOTEL Data Report - Current Water Year - By SNOTEL site, standard sensors, user-defined report period. Hourly SNOTE L Data Report - Last 1 through 7 days - By SNOTEL site, standard sensors, user-defined report period. Daily SNOTEL Data Report - Historic - By SNOTEL site, standard sensors.Photograph is of the Nevada Ridge SNOTEL site. 2023-October-23 National Water and Climate Center; To Obtain the Daily Normals for the Period 1991-2020: Daily Snow Water Equivalent Medians or Averages; Daily Accumulated Precipitation Medians or Averages

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SNOTEL Site: Big Bend State: Nevada Site Number: 336 County: Elko Latitude: 41 deg; 46 min N Longitude: 115 deg; 42 min W Elevation: 6898 feet Reporting since: 1978-10-01 Questions about this site. Site notes: Data is provisional and subject to revision. More site notes. Photograph is of the Big Bend SNOTEL site. ...7 Day Hourly SNOTEL Data Report - SWE, Snow Depth, Precipitation, Air Temperature. ***Hourly Data is provisional, unedited, and subject to revision. Graph comparing the current snow water equivalent (in inches) for an individual SNOTEL site with all other years from the historical record. Graphs also include statistical background data, such as ... SNOTEL Site: Pole Creek R.S. State: Nevada Site Number: 698 County: Elko Latitude: 41 deg; 52 min N Longitude: 115 deg; 15 min W Elevation: 8360 feet Reporting since: 1977-02-01 Questions about this site. Site notes: Data is provisional and subject to revision. ...Nevada / Utah; Northeastern Nevada; New Mexico; Oregon; Utah ; Washington; Wyoming; Drop-down list access to all SNOTEL sites. After selecting the above link to the desired state, click on the desired site. The name of the site will be displayed in the box below the map if your browser is Netscape 3.0 or higher.

Compare 4 top-rated home warranty providers in Nevada to find the best deal for your needs. Find quality protection at a price you can afford! Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show Lat...The SNOwpackTELemetryNetwork (SNOTEL), which is an automated system of snowpack and related climate sensors operated by the Natural Resources …A network of Snow Telemetry sites—called SNOTEL—estimates snow water equivalent across basins by weighing the amount of snow that lands on pressure-sensitive snow pillows at stations across the west. Additional measurements come from automated stations and stations where people take manual measurements of snow. How-To.Lee Canyon, near Las Vegas, is the only major ski resort in southern Nevada. Lee Canyon Ski Resort sits at a base elevation of 8,510 ft., with visitors finding 85 percent of its 30 trails designated for intermediate to advanced skiers and …Bitterroot Daily Conditions. The daily river basin conditions below are intended to supplement the information provided in the monthly "Water Supply" section of this website. NRCS maps and products found below are created using daily data from mountain SNOTEL sites only and do not include data from valley weather stations or snowcourse data.Zillow has 14185 homes for sale in Nevada. View listing photos, review sales history, and use our detailed real estate filters to find the perfect place.Snow has mostly disappeared at SNOTEL sites in California, Nevada, Utah, Arizona, and New Mexico with the exception of a few high-elevation locations. In the Pacific Northwest and Northern Rockies, snowpack remains at many sites, and SWE is above normal for this time of year due to persistent cool and wet conditions during April and May that ...Median is zero. Median missing. Watershed Boundaries. Region (2-Digit HUC) Created 10-18-2023, 08:32 PM PDT. 500 km. 300 mi. Print/Export. The SNOTEL network is composed of over 900 automated data collection sites located in remote, high-elevation mountain watersheds in the western U.S. They are used to monitor snowpack, precipitation, temperature, and other climatic conditions. The data collected at SNOTEL sites are transmitted to a central database, called the Water and Climate ... The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the. snowpack were melted, expressed in inches. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. 2.3.1 SNOTEL SWE Sagehen Basin does not contain SNOTEL sites; however, two SNOTEL sites are adjacent to the basin boundary at two elevations. The slope, aspect, and elevation were analyzed for the existing SNOTEL sites, and proxy locations similar to those characteristics were chosen in the Sagehen Basin.

Three major landforms in Nevada are the Great Basin, the Mojave Desert and the Sierra Nevada. The Colorado, Humboldt and Truckee are the state’s major rivers. Nevada’s major lakes include Pyramid Lake, Lake Mead, Lake Tahoe, Lake Mojave and...

USDA’s Natural Resources Conservation Service (NRCS) and Farm Service Agency (FSA) offer federally funded, voluntary conservation programs to help farmers, ranchers, and private forest landowners protect and conserve the natural resources we all depend on, supporting healthy soil, cleaner air and water, and conserving wildlife habitats, while helping to mitigate the impacts of climate change. Kelley Ranger Station. Click on SnoTel site on map above or on left menu to display individual site's graph in frame below. Click on a river basin on the map below or on left menu. to display basin-wide snowpack projection graphs in the frame above. ( User's Guide for the Interpretation of the Basinwide Snowpack Projection Graphs .pdf file)Most of the stations in south-central Colorado with snow drought concerns drain in the Arkansas, White, and Red Rivers. Snowpack in basins that drain into the Rio Grande and Colorado Rivers is much higher. SWE in the Arkansas-White-Red HUC2 (large river basin) is currently at 85% of median for the date and at 74% of peak median for late March.The Tahoe Basin, meanwhile, is at 246 percent of median snowpack, the second highest for the basin since 1981. Marlette Lake, which sits above Carson City, set an April 1 record based on 105 years of data, Anderson said. According to the U.S. Drought Monitor, updated March 28, much of the Sierra and western Nevada is out of drought, …Idaho SNOTEL Snow/Precipitation Update Report; Based on Mountain Data from NRCS SNOTEL Sites **Provisional data, subject to revision** Data based on the first reading of the day (typically 00:00) for Wednesday, October 25, 2023 Basin Site Name Elev (ft) Snow Water Equivalent Water Year-to-Date Precipitation ; CurrentStill, the West as a whole is trending toward snow drought conditions, with below-normal SWE at 62% of the SNOTEL sites on February 8 compared to 21% on January 10. As we progress through the snow season, attention turns to spring runoff and summer water supply. Peak SWE is one of the metrics used to assess potential water …Snow in Pine Nuts could be source of flooding. The Pine Nuts are a study in white and blue on Friday morning. Photo by Kurt Hildebrand . There are around 30 snow telemetry sites in the Sierra between Stampede Reservoir and Mono Lake monitoring the Carson, Walker and Truckee river basins. The term SnoTel first appeared in The Record …Nevada SNOW REPORT. October 26 2023. Winter Warnings in Effect. Snowpack levels across the state are currently 6% of normal. The deepest snowpack in Nevada was last observed at Cave Mountain with a snowpack depth of 7”, about 185% of normal when compared to it's 4" average depth for this time of year. Cave Mountain, perched at an elevation of ...Based on Mountain Data from NRCS SNOTEL Sites. **Provisional data, subject to revision**. Data based on the first reading of the day (typically 00:00) for Thursday, October 26, 2023. Basin. Site Name. Elev. (ft) Snow Water Equivalent. Water Year-to-Date Precipitation.

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Reno, Nevada is a vibrant city full of exciting events and activities for everyone. From outdoor festivals to live music and theater performances, there is something for everyone in Reno.California/Nevada SNOTEL Snowpack Update Report. Based on Mountain Data from NRCS SNOTEL Sites. **Provisional data, subject to revision**. Data based on the …Update Reports - Current and monthly snowpack, precipitation, reservoir, and streamflow data. Basin Data Report - Select "Snowpack" report type. Daily SWE Report, By SNOTEL Site: Current Water Year | Historic. Monthly SWE Report, By SNOTEL Site: Current Water Year | Historic. Daily Snow Depth and SWE Data. Feb 26, 2023 · Sierra Nevada Snow Depth Observations from 2023-02-26 07:00 UTC to 2023-02-27 06:00 UTC. Note: these data are unofficial and provisional. Latitude and longitude of observations will be included in text files after December 1, 2006. Rainbow Canyon SNOTEL. Monthly Snow Course Data - Manual snow tube measurements have been made at snow courses in the Spring Mountains back to 1941. Measurements are made in the spring (near March 1 and April 1) to track maximum snow water content in the snowpack. Kyle Canyon - data from 1941 to present. Lee Canyon #2 - data from 1941 to …Data from a SNOTEL site in Elko County, Nevada. SNOTEL is an automated system of snowpack and related climate sensors operated by the Natural Resources Conservation Service (NRCS) of the United States Department of Agriculture in the Western United States.. There are over 900 SNOTEL (or snow telemetry) sites in 11 states, including …12 hours ago(BIGN2) BIG BEND SNOTEL: County: ELKO State: NV: Elevation: 6700 (feet) Latitude: 41 45' 42" Longitude: 115 41' 20"Snow & Ski Forecast. Cold & Flu. Allergy Forecast. Fire Updates. Traffic Cameras. Weather Cameras. No Weather Cams available in this region. Outdoor Sports Guide. Always Have Access to WeatherBug at Your Fingertips, It's Free.The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the. snowpack were melted, expressed in inches. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020.California/Nevada SNOTEL Snowpack Update Report. -M = Missing data. * = Analysis may not provide a valid measure of conditions. N/A = Not available. (##) = If less than 30 years are available, this value specifies the number of years used for the median and average calculations. Sites with less than 10 years available do not have medians or ... This map displays current snow depth according to the National Oceanic and Atmospheric Administration (NOAA) National Snow Analyses (NSA). The NSA are based on modeled snow pack characteristics that are updated daily using all operationally available ground, airborne, and satellite observations. The NSA are products of the National Operational ... ….

Background: A snow course is a permanent measurement transect where the snowpack's depth and water content are measured at the same locations month-after-month, and year-after-year. Snow courses were the primary means of collecting snowpack data prior to the 1970s when SNOTEL sites began being installed. As a result, snow course data records ...Snow Survey Schedule. Click On Map for Regional Analyses. Automated Model Discussion: October 25, 2023. Area Covered By Snow: 3.1%. Area Covered Last Month: 0.1%. Snow Depth.19 thg 4, 2023 ... California's proposal requires Nevada and Arizona to take the major cuts. Colorado River water. Across the basin, SNOTEL data provides similar ...SNOTEL Site: Mt Rose Ski Area State: Nevada Site Number: 652 County: Washoe Latitude: 39 deg; 19 min N Longitude: 119 deg; 54 min W Elevation: 8801 feet Reporting since: 1980-10-01 Questions about this site.SNOTEL Site: Jacks Peak State: Nevada Site Number: 549 County: Elko Latitude: 41 deg; 31 min N Longitude: 116 deg; 1 min W Elevation: 8424 feet TROUT CK NR TAHOE VALLEY, CA. 10336698. THIRD CK NR CRYSTAL BAY, NV. 10336700. INCLINE CK NR CRYSTAL BAY, NV. The Lake Tahoe Interagency Monitoring Program (LTIMP) is an essential part of integrated science in the Lake Tahoe Basin and has provided long-term, consistent, reliable, and accessible tributary …snow water equivalent at selected SNOTEL sites in or near the basin compared to the median (or average) of the maximum seasonal values observed each water year for those sites. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. Provisional data, subject to revision.Three major landforms in Nevada are the Great Basin, the Mojave Desert and the Sierra Nevada. The Colorado, Humboldt and Truckee are the state’s major rivers. Nevada’s major lakes include Pyramid Lake, Lake Mead, Lake Tahoe, Lake Mojave and... Snotel nevada, Northern California / Western Nevada; Colorado; Southern Idaho; Northern Idaho / Western Montana; Nevada / Utah; Northeastern Nevada; New Mexico; Oregon; Utah ; Washington; Wyoming; Drop-down list access to all SNOTEL sites. After selecting the above link to the desired state, click on the desired site. , The SNOTEL network is composed of over 900 automated data collection sites located in remote, high-elevation mountain watersheds in the western U.S. They are used to monitor snowpack, precipitation, temperature, and other climatic conditions. The data collected at SNOTEL sites are transmitted to a central database, called the Water and Climate ..., (JCUN2) JACK CREEK UPPER SNOTEL: County: ELKO State: NV: Elevation: 7250 (feet) Latitude: 41 32' 48" Longitude: 116 0' 32", At the Mt. Rose manual snow survey location, Jeff Anderson, hydrologist for Natural Resources Conservation Service (NRCS) Nevada, found 188" of snow with an SWE of 73.6", or 211 percent of the median., 2.3.1 SNOTEL SWE Sagehen Basin does not contain SNOTEL sites; however, two SNOTEL sites are adjacent to the basin boundary at two elevations. The slope, aspect, and elevation were analyzed for the existing SNOTEL sites, and proxy locations similar to those characteristics were chosen in the Sagehen Basin., October 23 2023. New Snowfall to report today with Chisana in Alaska reporting 14" of new snowfall, raising snowpack levels to 19". Corral Canyon in Nevada seeing snowpack levels rise to 6" after receiving 2" of more snowfall since yesterday. Skiiers headed to Howelsen Hill Ski Area today can expect 2" of new snowfall on the slopes …, TROUT CK NR TAHOE VALLEY, CA. 10336698. THIRD CK NR CRYSTAL BAY, NV. 10336700. INCLINE CK NR CRYSTAL BAY, NV. The Lake Tahoe Interagency Monitoring Program (LTIMP) is an essential part of integrated science in the Lake Tahoe Basin and has provided long-term, consistent, reliable, and accessible tributary …, , Snow Station Information - BIG BEND SNOTEL. (BIGN2) BIG BEND SNOTEL. 6700 (feet) 41 45' 42" 115 41' 20". Date. , 4 thg 2, 2019 ... Minnesota: 9 inches in Hallock; Glaze of ice in Duluth; Montana: 12.1 inches near Island Park (Black Bear SNOTEL 8,100 feet elevation); 5 to 6 ..., Graph showing the projected snow water equivalent (in inches) at an individual SNOTEL site for the remainder of the water year, for a range of possible outcomes. Graphs also include all other years from the historical record, plus statistical background data, such as the maximum, normal, and minimum water years, as well as shading based on the 10th, …, Welcome to the National Water and Climate Center. As part of the USDA Natural Resources Conservation Service, the National Water and Climate Center supports the Snow Survey and Water Supply Forecasting Program and Soil Climate Analysis Network (SCAN) Pilot Program for the U.S., SNOTEL Site: White River Nv State: Nevada Site Number: 1213 County: White Pine Latitude: 38 deg; 57 min N Longitude: 115 deg; 23 min W Elevation: 7367 feet Reporting since: 2011-12-23 Questions about this site. Site notes: Data is …, (TACN2) TAYLOR CANYON SNOTEL: County: ELKO State: NV: Elevation: 6300 (feet) Latitude: 41 13' 42" Longitude: 116 1' 46" Date. Time PST. Snow Water Equivalent (inches) Snow Depth (inches) Snow Density (%) Precipitation To-Date (inches) Current Temperature (degrees F) 10/20/2023: 0000 -9999.0 : 0.3: 34.0: 10/19/2023: 2300 -9999.0 : 0.3: 35.2: 10 ..., 4 thg 2, 2019 ... Minnesota: 9 inches in Hallock; Glaze of ice in Duluth; Montana: 12.1 inches near Island Park (Black Bear SNOTEL 8,100 feet elevation); 5 to 6 ..., SNOTEL is a n automated near real-time data collection network that provides mid- to high-elevation hydroclimatic data from mountainous regions of the western United States. A standard SNOTEL station provides snow water equivalent, snow depth, precipitation, and temperature data. The SNOTEL network is maintained by the USDA Natural Resources ... , Walker Lake is a natural lake located approximately 12 miles north of Hawthorne, Nevada in the geographic low point of the Walker River Basin and is the terminus of the Walker River. The stage-capacity relation for Walker Lake was calculated from bathymetric survey data collected from February through April 2005 ( Lopes and Smith, 2007 )., The SNOTEL network is composed of over 900 automated data collection sites located in remote, high-elevation mountain watersheds in the western U.S. They are used to monitor snowpack, precipitation, temperature, and other climatic conditions. The data collected at SNOTEL sites are transmitted to a central database, called the Water and Climate ..., This map displays current snow depth according to the National Oceanic and Atmospheric Administration (NOAA) National Snow Analyses (NSA). The NSA are based on modeled snow pack characteristics that are updated daily using all operationally available ground, airborne, and satellite observations. The NSA are products of the National Operational ... , The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the. snowpack were melted, expressed in inches. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches. Contact your state water supply staff for assistance. Medians and averages are …, Snow Station Information - BIG BEND SNOTEL. (BIGN2) BIG BEND SNOTEL. 6700 (feet) 41 45' 42" 115 41' 20". Date. , Nevada. Use IBC 2003—0 psf-20 psf with Case Study Areas ... In addition, you can estimate/verify your snow loads by Using SNOTEL Data to Estimate Snow Load Amounts ... , Nevada/California SNOTEL Current Snow Water Equivalent (SWE) % of Normal 0 35 70 140 Miles * Data unavailable at time of posting or measurement is not representative at this time of year The current snow water equivalent percent of normal represents the snow water equivalent found at selected SNOTEL sites in or near the basin , The SNOTEL stations and the BST-derived SDD are in agreement at the Quemazon and Bettles sites. At the Truckee site, ... Ground-based testing of MODIS fractional snow cover in subalpine meadows and forests of the Sierra Nevada. Remote Sens. Environ., 128 (2013), pp. 44-57. View PDF View article View in Scopus Google …, An Interactive Map Application is an easy way for you to directly view NDEP's GIS data. These applications grab spatial data dynamically from NDEP's central geodatabase and present it to you in a web browser interface. Our maps are designed in the Geocortex and Web AppBuilder for ArcGIS applications. All maps are mobile device compatible., SNOTEL Site: Mt Rose Ski Area State: Nevada Site Number: 652 County: Washoe Latitude: 39 deg; 19 min N Longitude: 119 deg; 54 min W Elevation: 8801 feet Reporting since: 1980-10-01 Questions about this site., 0%. Percent of normal for this date. 0%. Printable Version of Current Data. CDEC Stations included (Refer to the Page 6 report): NORTH: (Trinity through Feather & Truckee) ADM BKL BMW BNK CDP DSS FOR GOL GRZ HMB IDC IDP INN LLP MED NLS PLP RRM RTL SHM SLT SNM SQV TK2. CENTRAL: (Yuba & Tahoe through Merced & Walker) ALP …, SNOTEL Site: Lee Canyon State: Nevada Site Number: 1112 County: Clark Latitude: 36 deg; 18 min N Longitude: 115 deg; 41 min W Elevation: 8626 feet Reporting since: 2008-10-01 Questions about this site., Jan 12, 2023 · Snow water equivalent (SWE) is currently at 200% to over 300% of normal for much of this region, with record high SWE for this time of year at a number of SNOTEL sites in the Sierra Nevada. There are still small areas of snow drought in isolated regions, including the Sangre De Cristo Mountains, straddling the New Mexico-Colorado border. , The SNOwpackTELemetryNetwork (SNOTEL), which is an automated system of snowpack and related climate sensors operated by the Natural Resources Conservation Service (NRCS) of the United States Department of Agriculture in the Western United States, collects snow data that include snow water equivalent, accumulated precipitation, and air temperature., Background: A snow course is a permanent measurement transect where the snowpack's depth and water content are measured at the same locations month-after-month, and year-after-year. Snow courses were the primary means of collecting snowpack data prior to the 1970s when SNOTEL sites began being installed. As a result, snow course data records ..., snow water equivalent at selected SNOTEL sites in or near the basin compared to the median (or average) of the maximum seasonal values observed each water year for those sites. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. Provisional data, subject to revision., 19 thg 4, 2023 ... California's proposal requires Nevada and Arizona to take the major cuts. Colorado River water. Across the basin, SNOTEL data provides similar ...