#------------------------------------------------- WARNING -------------------------------------------- # # The data you have obtained from this automated Natural Resources Conservation Service # database are subject to revision regardless of indicated Quality Assurance level. # Data are released on condition that neither the NRCS nor the United States Government # may be held liable for any damages resulting from its use. # # SNOTEL air temperature data contains a known bias. This bias is rooted in the sensor # conversion equation and varies through the output range. Solutions are in development. # For more information go to Air Temperature Bias Correction. # # Help and Tutorials: https://www.nrcs.usda.gov/sites/default/files/2023-03/Report%20Generator%20Help%20Guide.pdf # Air Temperature Bias Correction: https://www.nrcs.usda.gov/wps/portal/wcc/home/snowClimateMonitoring/temperature/temperatureBiasCorrection/ # # Support Contact: usdafpacbc@servicenowservices.com # #------------------------------------------------------------------------------------------------------ # # Reporting Frequency: Hourly # Date Range: 2024-04-21 17:00 to 2024-04-28 16:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 641: Frostbite Bottom, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Snow Water Equivalent Value None Instantaneous N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Depth Value None Instantaneous N/A Inches N/A SNWD Total snow depth # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # Air Temperature Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # Wind Speed Average Value None Hour N/A Miles/hour N/A WSPDV Average wind speed # Wind Speed Maximum Value None Hour N/A Miles/hour N/A WSPDX Maximum wind speed # Wind Direction Average Value None Hour N/A Degrees N/A WDIRV Average wind direction # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # # Quality Control flags included: # # Flag Name Description # V Valid Validated Data # N No Profile No profile for automated validation # E Edit Edit, minor adjustment for sensor noise # B Back Estimate Regression-based estimate for homogenizing collocated Snow Course and Snow Pillow data sets # K Estimate Estimate # X External Estimate External estimate # S Suspect Suspect data # # Quality Assurance flags included: # # Flag Name Description # U Unknown Unknown # R Raw No Human Review # P Provisional Preliminary Human Review # A Approved Processing and Final Review Completed # #------------------------------------------------------------------------------------------------------ # # Frostbite Bottom (641) # Alaska SNOTEL Site - 2700 ft # Reporting Frequency: Hourly; Date Range: 2024-04-21 17:00 to 2024-04-28 16:00 # # As of: Apr 28, 2024, 4:26:03 PM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF),Relative Humidity (pct),Wind Speed Average (mph),Wind Speed Maximum (mph),Wind Direction Average (degree),Solar Radiation Average (watt/m2) 2024-04-21 17:00,19.0,57,21.5,40.0,55.00,3.3,11.7,207,122.10 2024-04-21 18:00,19.0,56,21.5,38.0,66.00,2.9,9.9,206,73.87 2024-04-21 19:00,19.0,57,21.5,38.0,67.00,3.4,11.2,192,36.43 2024-04-21 20:00,19.0,57,21.5,36.0,77.00,3.1,10.4,177,5.90 2024-04-21 21:00,19.0,56,21.5,36.0,71.00,3.0,9.2,176,0.17 2024-04-21 22:00,19.0,56,21.5,36.0,61.00,2.9,9.3,206,0.00 2024-04-21 23:00,19.0,56,21.5,35.0,65.00,3.5,8.8,226,0.00 2024-04-22 00:00,19.1,56,21.5,34.0,58.00,4.7,8.3,236,0.00 2024-04-22 01:00,19.0,56,21.5,35.0,60.00,3.9,9.0,215,0.00 2024-04-22 02:00,19.1,56,21.5,32.0,72.00,4.0,8.3,238,0.00 2024-04-22 03:00,19.0,56,21.5,31.0,80.00,4.4,7.3,256,0.00 2024-04-22 04:00,19.1,56,21.5,31.0,83.00,4.3,6.9,257,0.41 2024-04-22 05:00,19.0,56,21.5,30.0,80.00,2.2,5.8,218,14.72 2024-04-22 06:00,19.1,56,21.5,31.0,82.00,4.2,7.6,249,38.05 2024-04-22 07:00,19.1,56,21.5,29.0,79.00,5.2,7.1,249,193.40 2024-04-22 08:00,19.0,56,21.5,33.0,77.00,1.2,4.9,220,377.50 2024-04-22 09:00,19.1,56,21.5,36.0,73.00,0.7,3.4,109,364.10 2024-04-22 10:00,19.1,55,21.5,41.0,63.00,1.6,4.1,335,601.40 2024-04-22 11:00,19.1,55,21.5,35.0,77.00,1.3,3.9,264,605.90 2024-04-22 12:00,19.1,55,21.5,41.0,67.00,1.2,2.4,248,468.10 2024-04-22 13:00,19.0,55,21.5,39.0,69.00,2.0,4.1,281,481.30 2024-04-22 14:00,19.0,55,21.5,38.0,64.00,4.5,6.4,44,515.00 2024-04-22 15:00,19.0,56,21.5,38.0,71.00,3.2,5.3,299,216.10 2024-04-22 16:00,19.0,56,21.5,37.0,66.00,2.5,5.1,237,323.80 2024-04-22 17:00,19.0,55,21.5,40.0,65.00,2.6,5.3,251,365.90 2024-04-22 18:00,19.0,55,21.5,40.0,62.00,1.9,5.0,207,160.70 2024-04-22 19:00,19.0,55,21.5,37.0,67.00,1.9,3.6,202,64.31 2024-04-22 20:00,19.0,55,21.5,35.0,66.00,2.1,4.2,221,16.26 2024-04-22 21:00,16.5,55,18.3,33.0,71.00,3.0,4.3,248,0.44 2024-04-22 22:00,19.0,55,21.5,33.0,75.00,3.0,4.7,233,0.00 2024-04-22 23:00,19.1,55,21.5,33.0,72.00,2.0,3.9,248,0.00 2024-04-23 00:00,19.1,55,21.5,33.0,64.00,2.3,5.1,246,0.00 2024-04-23 01:00,19.0,55,21.5,33.0,68.00,5.3,7.8,293,0.00 2024-04-23 02:00,19.1,55,21.5,33.0,73.00,2.5,6.5,310,0.00 2024-04-23 03:00,19.1,55,21.5,33.0,78.00,3.9,6.9,312,0.00 2024-04-23 04:00,19.1,55,21.5,32.0,79.00,1.1,4.3,311,0.31 2024-04-23 05:00,19.1,55,21.5,31.0,81.00,2.7,4.8,258,7.42 2024-04-23 06:00,19.1,55,21.5,30.0,76.00,4.0,5.8,264,47.19 2024-04-23 07:00,19.1,55,21.5,32.0,75.00,4.3,7.2,278,147.10 2024-04-23 08:00,19.1,55,21.5,35.0,68.00,0.7,2.5,229,372.30 2024-04-23 09:00,19.1,55,21.5,38.0,64.00,1.8,3.2,247,517.30 2024-04-23 10:00,19.1,54,21.5,38.0,60.00,1.2,3.0,239,626.60 2024-04-23 11:00,19.1,54,21.5,40.0,62.00,2.5,3.9,238,690.40 2024-04-23 12:00,19.0,54,21.5,41.0,63.00,3.2,5.8,246,657.30 2024-04-23 13:00,19.0,54,21.5,39.0,62.00,3.0,6.2,290,574.50 2024-04-23 14:00,19.0,54,21.5,37.0,62.00,3.9,6.8,263,375.30 2024-04-23 15:00,19.0,54,21.5,39.0,60.00,5.0,7.5,256,567.70 2024-04-23 16:00,19.0,54,21.5,38.0,63.00,4.8,8.6,278,467.10 2024-04-23 17:00,19.0,54,21.5,39.0,61.00,5.1,8.0,276,330.80 2024-04-23 18:00,19.0,54,21.5,38.0,58.00,6.7,9.4,274,54.04 2024-04-23 19:00,19.0,54,21.5,36.0,60.00,7.3,9.5,272,26.19 2024-04-23 20:00,19.0,54,21.5,35.0,63.00,6.1,8.5,276,8.64 2024-04-23 21:00,19.0,54,21.5,35.0,66.00,5.7,8.3,280,0.40 2024-04-23 22:00,19.0,54,21.5,34.0,65.00,6.3,8.6,286,0.00 2024-04-23 23:00,19.0,54,21.5,35.0,65.00,5.4,8.1,276,0.00 2024-04-24 00:00,19.0,54,21.5,34.0,64.00,5.0,8.1,281,0.00 2024-04-24 01:00,19.0,54,21.5,33.0,65.00,5.0,7.7,274,0.00 2024-04-24 02:00,19.0,54,21.5,33.0,66.00,5.3,8.3,264,0.00 2024-04-24 03:00,19.0,54,21.5,32.0,65.00,4.7,7.7,277,0.00 2024-04-24 04:00,19.0,54,21.5,32.0,64.00,4.6,7.4,274,0.72 2024-04-24 05:00,19.0,54,21.5,32.0,64.00,4.7,7.1,284,12.93 2024-04-24 06:00,19.0,54,21.5,32.0,64.00,4.0,7.2,270,144.60 2024-04-24 07:00,19.0,54,21.5,33.0,66.00,1.9,6.9,245,285.50 2024-04-24 08:00,19.0,54,21.5,40.0,56.00,2.3,4.3,240,420.30 2024-04-24 09:00,19.0,53,21.5,42.0,54.00,2.4,4.6,246,539.30 2024-04-24 10:00,18.9,53,21.5,43.0,54.00,1.4,4.2,254,633.30 2024-04-24 11:00,18.9,53,21.5,43.0,55.00,2.2,4.1,257,694.20 2024-04-24 12:00,18.9,53,21.5,40.0,55.00,3.7,5.9,254,718.00 2024-04-24 13:00,18.9,54,21.5,41.0,54.00,4.4,6.7,264,706.00 2024-04-24 14:00,18.9,54,21.5,40.0,57.00,4.6,7.2,267,607.70 2024-04-24 15:00,18.9,53,21.5,41.0,61.00,4.7,7.4,266,375.70 2024-04-24 16:00,18.9,53,21.5,39.0,58.00,4.4,7.4,280,172.40 2024-04-24 17:00,18.9,53,21.5,40.0,54.00,3.1,6.0,277,120.50 2024-04-24 18:00,18.9,53,21.5,39.0,59.00,3.1,5.3,272,77.73 2024-04-24 19:00,18.9,53,21.5,39.0,59.00,5.4,8.3,265,28.20 2024-04-24 20:00,19.0,53,21.5,36.0,61.00,4.5,7.2,251,10.73 2024-04-24 21:00,18.9,53,21.5,36.0,63.00,4.6,6.2,248,0.44 2024-04-24 22:00,18.9,53,21.5,36.0,61.00,5.0,8.2,252,0.00 2024-04-24 23:00,18.9,54,21.5,34.0,65.00,5.6,8.6,256,0.00 2024-04-25 00:00,18.9,53,21.5,34.0,66.00,4.8,8.6,260,0.00 2024-04-25 01:00,18.9,53,21.5,33.0,65.00,4.4,7.9,263,0.00 2024-04-25 02:00,19.0,53,21.5,33.0,69.00,5.2,7.6,270,0.00 2024-04-25 03:00,19.0,53,21.5,32.0,66.00,6.6,9.0,283,0.00 2024-04-25 04:00,19.0,53,21.5,34.0,62.00,6.1,8.6,280,0.93 2024-04-25 05:00,19.0,53,21.5,34.0,63.00,5.7,8.7,275,17.23 2024-04-25 06:00,19.0,53,21.5,34.0,63.00,4.5,6.3,259,151.20 2024-04-25 07:00,19.0,53,21.5,36.0,59.00,2.7,5.6,235,287.60 2024-04-25 08:00,19.0,53,21.5,42.0,52.00,2.5,7.1,253,422.60 2024-04-25 09:00,18.9,53,21.5,38.0,58.00,3.6,6.4,262,543.10 2024-04-25 10:00,18.9,53,21.5,40.0,56.00,3.2,5.2,252,638.60 2024-04-25 11:00,18.9,53,21.5,41.0,53.00,4.0,6.3,249,700.10 2024-04-25 12:00,18.9,53,21.5,42.0,53.00,2.7,5.9,258,726.90 2024-04-25 13:00,18.9,53,21.5,40.0,58.00,5.0,8.1,261,716.50 2024-04-25 14:00,18.9,53,21.5,41.0,56.00,4.6,7.7,255,645.40 2024-04-25 15:00,18.9,53,21.5,42.0,53.00,3.0,6.0,249,437.00 2024-04-25 16:00,18.9,52,21.5,41.0,49.00,3.3,6.0,232,142.50 2024-04-25 17:00,18.9,52,21.5,41.0,50.00,3.9,8.8,245,231.60 2024-04-25 18:00,18.9,52,21.5,40.0,52.00,4.2,8.9,237,44.64 2024-04-25 19:00,18.9,52,21.5,40.0,55.00,3.1,6.4,221,31.42 2024-04-25 20:00,18.9,53,21.5,38.0,59.00,3.9,7.5,234,11.90 2024-04-25 21:00,18.8,53,21.5,35.0,63.00,3.6,6.0,233,0.67 2024-04-25 22:00,18.8,52,21.5,36.0,62.00,3.8,7.0,224,0.00 2024-04-25 23:00,18.8,52,21.5,37.0,61.00,3.2,6.9,232,0.03 2024-04-26 00:00,18.8,52,21.5,36.0,63.00,2.1,5.8,207,0.00 2024-04-26 01:00,18.8,52,21.5,34.0,77.00,5.0,8.1,272,0.00 2024-04-26 02:00,18.8,52,21.5,34.0,80.00,4.0,8.6,283,0.00 2024-04-26 03:00,18.8,52,21.5,34.0,81.00,2.0,4.4,251,0.00 2024-04-26 04:00,18.8,52,21.5,33.0,82.00,3.3,6.1,253,0.65 2024-04-26 05:00,18.8,52,21.5,33.0,80.00,1.4,3.0,220,12.22 2024-04-26 06:00,18.8,52,21.5,33.0,84.00,2.0,4.6,253,48.31 2024-04-26 07:00,18.8,52,21.5,34.0,81.00,1.8,5.3,241,163.80 2024-04-26 08:00,18.7,52,21.5,36.0,73.00,0.8,3.2,200,204.90 2024-04-26 09:00,18.7,52,21.5,40.0,70.00,0.8,3.5,243,383.90 2024-04-26 10:00,18.7,51,21.5,38.0,69.00,2.1,4.6,242,521.00 2024-04-26 11:00,18.6,51,21.5,40.0,64.00,2.8,4.9,251,591.30 2024-04-26 12:00,18.6,51,21.5,41.0,66.00,1.2,2.8,255,658.50 2024-04-26 13:00,18.6,51,21.5,42.0,59.00,3.3,5.1,283,738.60 2024-04-26 14:00,16.0,51,18.3,39.0,66.00,3.4,5.9,262,681.90 2024-04-26 15:00,18.6,51,21.5,40.0,64.00,3.0,6.0,268,414.60 2024-04-26 16:00,18.5,50,21.5,39.0,63.00,3.5,5.8,261,288.90 2024-04-26 17:00,18.5,50,21.5,39.0,64.00,4.2,6.4,274,221.50 2024-04-26 18:00,18.5,50,21.5,40.0,61.00,3.7,5.6,262,119.30 2024-04-26 19:00,18.5,50,21.5,38.0,66.00,4.1,5.7,270,68.56 2024-04-26 20:00,18.4,50,21.5,38.0,65.00,3.5,6.1,245,14.08 2024-04-26 21:00,18.2,50,21.5,37.0,64.00,3.1,6.9,256,0.87 2024-04-26 22:00,18.0,50,21.5,36.0,64.00,3.3,6.4,253,0.00 2024-04-26 23:00,17.9,50,21.5,34.0,65.00,4.4,8.8,262,0.00 2024-04-27 00:00,17.9,50,21.5,37.0,58.00,6.1,10.0,267,0.00 2024-04-27 01:00,18.0,50,21.5,36.0,58.00,5.7,9.3,280,0.00 2024-04-27 02:00,18.0,50,21.5,36.0,59.00,5.1,9.8,273,0.00 2024-04-27 03:00,18.0,50,21.5,35.0,55.00,7.1,9.5,275,0.00 2024-04-27 04:00,18.1,50,21.5,36.0,53.00,6.0,9.2,270,1.40 2024-04-27 05:00,18.1,50,21.5,34.0,58.00,4.1,7.9,275,26.02 2024-04-27 06:00,18.1,50,21.5,36.0,55.00,5.0,8.6,263,158.80 2024-04-27 07:00,18.2,50,21.5,37.0,53.00,1.9,5.5,238,298.30 2024-04-27 08:00,18.2,50,21.5,41.0,48.00,2.1,4.1,210,433.80 2024-04-27 09:00,18.2,50,21.5,41.0,50.00,3.2,6.6,236,551.70 2024-04-27 10:00,18.2,49,21.5,42.0,50.00,3.5,5.8,247,644.80 2024-04-27 11:00,18.2,50,21.5,41.0,58.00,4.9,7.8,257,706.90 2024-04-27 12:00,18.2,50,21.5,41.0,56.00,5.5,8.5,264,731.30 2024-04-27 13:00,18.2,50,21.5,43.0,49.00,6.4,10.0,267,719.20 2024-04-27 14:00,18.2,50,21.5,42.0,56.00,6.0,9.1,279,668.20 2024-04-27 15:00,18.2,50,21.5,42.0,53.00,6.3,10.2,264,583.80 2024-04-27 16:00,18.2,50,21.5,42.0,51.00,6.1,9.9,273,471.70 2024-04-27 17:00,18.2,49,21.5,44.0,46.00,7.3,9.9,278,343.50 2024-04-27 18:00,18.2,49,21.5,42.0,48.00,7.9,10.3,279,80.70 2024-04-27 19:00,18.2,49,21.5,41.0,50.00,7.3,9.8,289,24.06 2024-04-27 20:00,18.2,49,21.5,41.0,49.00,6.6,10.3,288,12.11 2024-04-27 21:00,18.1,49,21.5,39.0,54.00,6.3,9.4,289,1.10 2024-04-27 22:00,18.1,49,21.5,39.0,53.00,5.7,9.1,267,0.03 2024-04-27 23:00,18.0,49,21.5,38.0,56.00,5.8,8.4,276,0.00 2024-04-28 00:00,17.9,49,21.5,37.0,60.00,6.9,9.2,283,0.00 2024-04-28 01:00,17.8,49,21.5,39.0,55.00,6.7,10.0,285,0.00 2024-04-28 02:00,17.8,49,21.5,37.0,59.00,4.9,8.9,271,0.00 2024-04-28 03:00,17.8,49,21.5,36.0,58.00,5.5,8.1,272,0.00 2024-04-28 04:00,17.9,49,21.5,36.0,59.00,5.0,9.4,266,1.78 2024-04-28 05:00,17.9,49,21.5,36.0,59.00,5.5,7.7,258,32.65 2024-04-28 06:00,17.9,49,21.5,36.0,60.00,4.6,6.8,249,169.80 2024-04-28 07:00,17.9,49,21.5,39.0,55.00,4.1,7.0,248,306.50 2024-04-28 08:00,17.9,49,21.5,40.0,54.00,2.3,5.2,236,438.10 2024-04-28 09:00,17.9,49,21.5,44.0,53.00,3.4,7.1,245,556.40 2024-04-28 10:00,17.9,48,21.5,40.0,60.00,4.2,6.9,251,667.10 2024-04-28 11:00,17.9,49,21.5,42.0,58.00,2.2,4.2,264,605.00 2024-04-28 12:00,17.9,49,21.5,42.0,57.00,3.2,6.5,252,551.30 2024-04-28 13:00,17.9,48,21.5,44.0,55.00,6.1,8.9,240,819.00 2024-04-28 14:00,17.9,48,21.5,43.0,58.00,2.6,8.0,236,634.10 2024-04-28 15:00,17.9,48,21.5,44.0,59.00,,,,