#------------------------------------------------- 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: 2024-07-19 18:00 to 2024-07-26 17:00 # # 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: 2024-07-19 18:00 to 2024-07-26 17:00 # # As of: Jul 26, 2024, 5:47:07 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) 2024-07-19 18:00,0.0,0,30.0,57.0,82.00,3.3,7.7,90,282.40 2024-07-19 19:00,0.0,0,30.0,56.0,86.00,2.5,6.4,282,52.13 2024-07-19 20:00,0.1,0,30.0,53.0,91.00,2.0,5.4,217,30.43 2024-07-19 21:00,0.1,0,30.0,52.0,91.00,1.9,4.8,195,14.76 2024-07-19 22:00,0.1,,30.1,50.0,88.00,2.7,6.4,247,2.72 2024-07-19 23:00,0.1,0,30.1,52.0,80.00,2.5,5.3,258,0.34 2024-07-20 00:00,0.0,0,30.1,48.0,82.00,4.3,6.2,251,0.00 2024-07-20 01:00,0.1,0,30.1,50.0,78.00,4.9,6.9,257,0.07 2024-07-20 02:00,0.1,0,30.1,50.0,79.00,4.5,7.4,262,0.10 2024-07-20 03:00,0.1,0,30.1,51.0,77.00,3.9,5.8,254,1.60 2024-07-20 04:00,0.1,,30.1,50.0,73.00,5.0,7.2,245,19.37 2024-07-20 05:00,0.1,,30.1,52.0,70.00,3.1,6.5,257,108.60 2024-07-20 06:00,0.1,,30.1,56.0,68.00,1.7,5.2,240,220.90 2024-07-20 07:00,0.1,,30.1,62.0,61.00,2.2,5.8,101,344.50 2024-07-20 08:00,0.1,,30.0,60.0,62.00,2.1,7.2,86,466.00 2024-07-20 09:00,0.1,0,30.0,60.0,68.00,3.5,6.9,83,575.90 2024-07-20 10:00,0.1,,30.0,62.0,73.00,4.4,9.7,122,638.10 2024-07-20 11:00,0.0,,29.9,66.0,48.00,3.7,9.4,106,724.00 2024-07-20 12:00,0.0,0,29.9,65.0,52.00,3.7,9.1,151,766.30 2024-07-20 13:00,0.0,,29.9,67.0,52.00,4.9,11.1,138,777.70 2024-07-20 14:00,0.0,,29.9,66.0,59.00,5.0,15.1,171,775.90 2024-07-20 15:00,0.0,,29.9,66.0,63.00,4.0,10.5,218,542.50 2024-07-20 16:00,0.0,0,29.9,66.0,68.00,5.1,10.4,231,587.50 2024-07-20 17:00,0.0,0,29.9,66.0,64.00,4.9,11.1,223,250.90 2024-07-20 18:00,0.0,0,30.0,57.0,62.00,6.5,15.8,261,39.00 2024-07-20 19:00,0.2,,30.5,56.0,80.00,5.0,7.8,268,41.86 2024-07-20 20:00,0.1,,30.6,56.0,77.00,3.7,7.3,266,21.09 2024-07-20 21:00,0.1,,30.6,55.0,81.00,3.3,6.7,241,11.61 2024-07-20 22:00,0.1,0,30.6,53.0,82.00,5.4,8.6,254,2.11 2024-07-20 23:00,0.1,0,30.6,53.0,77.00,5.3,7.7,252,0.10 2024-07-21 00:00,0.0,0,30.6,52.0,83.00,4.0,6.4,259,0.03 2024-07-21 01:00,0.1,0,30.6,49.0,84.00,4.5,7.4,262,0.00 2024-07-21 02:00,0.1,0,30.6,49.0,82.00,5.4,7.6,262,0.00 2024-07-21 03:00,0.1,0,30.6,51.0,79.00,5.0,7.4,253,1.50 2024-07-21 04:00,0.1,,30.6,49.0,82.00,5.6,8.2,257,16.36 2024-07-21 05:00,0.1,,30.6,52.0,80.00,2.5,6.2,260,106.30 2024-07-21 06:00,0.1,,30.6,55.0,80.00,1.0,2.6,233,217.70 2024-07-21 07:00,0.1,0,30.6,60.0,72.00,1.7,4.1,82,339.60 2024-07-21 08:00,0.1,0,30.6,59.0,80.00,3.0,6.9,92,458.00 2024-07-21 09:00,0.1,0,30.6,57.0,88.00,3.6,7.1,94,562.90 2024-07-21 10:00,0.1,,30.5,58.0,88.00,4.8,9.7,117,648.70 2024-07-21 11:00,0.1,,30.5,58.0,85.00,5.2,9.8,115,706.00 2024-07-21 12:00,0.0,,30.4,59.0,87.00,4.8,9.3,116,731.20 2024-07-21 13:00,0.0,0,30.4,60.0,83.00,4.8,9.0,122,721.70 2024-07-21 14:00,0.0,,30.4,62.0,82.00,5.2,9.9,122,677.50 2024-07-21 15:00,0.0,0,30.5,62.0,84.00,5.5,10.0,119,579.20 2024-07-21 16:00,0.0,,30.5,62.0,80.00,5.6,9.6,114,416.70 2024-07-21 17:00,0.0,0,30.5,63.0,85.00,3.8,6.9,115,338.60 2024-07-21 18:00,0.0,0,30.5,61.0,86.00,2.9,7.7,93,273.10 2024-07-21 19:00,0.0,0,30.5,60.0,86.00,3.4,8.0,149,37.21 2024-07-21 20:00,0.0,0,30.5,59.0,90.00,4.0,10.5,237,61.40 2024-07-21 21:00,0.0,,30.6,62.0,75.00,3.8,10.0,232,18.85 2024-07-21 22:00,0.0,,30.6,56.0,83.00,3.3,7.3,256,3.09 2024-07-21 23:00,0.1,,30.6,56.0,93.00,3.3,5.3,248,0.37 2024-07-22 00:00,0.0,0,30.6,56.0,81.00,3.6,6.9,248,0.07 2024-07-22 01:00,0.1,0,30.6,56.0,77.00,2.8,5.8,241,0.03 2024-07-22 02:00,0.1,0,30.6,56.0,81.00,3.4,7.3,255,0.17 2024-07-22 03:00,0.1,,30.6,54.0,82.00,4.0,6.7,252,1.19 2024-07-22 04:00,0.1,,30.6,55.0,74.00,4.7,8.5,254,16.24 2024-07-22 05:00,0.1,,30.6,56.0,76.00,2.0,5.2,236,117.80 2024-07-22 06:00,0.1,,30.6,60.0,79.00,1.4,4.3,80,182.50 2024-07-22 07:00,0.1,,30.6,57.0,90.00,1.9,6.0,77,150.50 2024-07-22 08:00,0.1,,30.6,54.0,98.00,2.0,7.1,88,56.78 2024-07-22 09:00,0.1,,30.6,54.0,99.00,2.6,6.9,138,98.00 2024-07-22 10:00,0.1,,30.6,53.0,98.00,2.0,4.9,86,87.90 2024-07-22 11:00,0.1,,30.6,54.0,98.00,2.5,6.1,147,253.90 2024-07-22 12:00,0.1,0,30.6,55.0,94.00,3.2,7.1,115,244.90 2024-07-22 13:00,0.1,,30.6,55.0,91.00,4.1,9.2,163,165.00 2024-07-22 14:00,0.1,0,30.6,54.0,81.00,3.5,7.4,127,83.10 2024-07-22 15:00,0.1,0,30.6,54.0,78.00,2.8,6.0,113,82.60 2024-07-22 16:00,0.1,,30.6,54.0,82.00,2.0,5.5,271,39.48 2024-07-22 17:00,0.1,,30.6,53.0,85.00,1.7,3.7,84,88.10 2024-07-22 18:00,0.1,,30.6,53.0,88.00,2.3,4.5,119,57.77 2024-07-22 19:00,0.1,,30.6,52.0,90.00,2.2,6.1,117,27.71 2024-07-22 20:00,0.1,,30.6,51.0,94.00,1.2,3.1,81,14.88 2024-07-22 21:00,0.1,,30.6,51.0,96.00,1.8,5.9,241,4.96 2024-07-22 22:00,0.1,,30.6,51.0,97.00,1.6,4.6,125,1.44 2024-07-22 23:00,0.1,,30.6,50.0,96.00,1.7,5.0,108,0.27 2024-07-23 00:00,0.0,0,30.7,50.0,99.00,1.8,6.8,123,0.14 2024-07-23 01:00,0.1,,30.6,50.0,99.00,1.2,3.4,164,0.10 2024-07-23 02:00,0.1,,30.7,50.0,99.00,0.9,3.8,65,0.03 2024-07-23 03:00,0.1,,30.7,50.0,99.00,1.3,2.9,122,0.34 2024-07-23 04:00,0.1,,30.7,50.0,100.00,2.2,4.7,75,3.15 2024-07-23 05:00,0.1,,30.7,50.0,99.00,1.5,3.9,26,22.85 2024-07-23 06:00,0.1,,30.7,50.0,100.00,2.1,3.9,119,48.59 2024-07-23 07:00,0.1,,30.7,51.0,100.00,1.9,5.4,117,84.80 2024-07-23 08:00,0.1,,30.7,51.0,99.00,2.3,5.7,116,133.80 2024-07-23 09:00,0.1,,30.7,51.0,99.00,2.6,8.8,112,246.30 2024-07-23 10:00,0.1,,30.7,52.0,100.00,3.0,6.3,97,248.60 2024-07-23 11:00,0.1,,30.7,53.0,100.00,3.4,7.1,117,242.40 2024-07-23 12:00,0.1,,30.6,53.0,100.00,3.5,7.1,125,252.30 2024-07-23 13:00,0.1,0,30.7,53.0,99.00,2.5,5.6,108,228.90 2024-07-23 14:00,0.1,,30.7,53.0,100.00,3.4,6.7,115,250.10 2024-07-23 15:00,0.1,0,30.7,53.0,99.00,3.2,5.6,108,207.10 2024-07-23 16:00,0.1,,30.7,53.0,100.00,3.3,6.1,120,160.00 2024-07-23 17:00,0.1,0,30.7,53.0,100.00,1.4,3.9,95,144.80 2024-07-23 18:00,0.1,,30.7,54.0,100.00,1.9,6.0,107,126.70 2024-07-23 19:00,0.1,,30.6,54.0,100.00,1.5,4.1,86,78.05 2024-07-23 20:00,0.1,0,30.7,53.0,100.00,1.5,3.8,93,34.79 2024-07-23 21:00,0.1,0,30.6,53.0,100.00,1.3,4.5,292,10.79 2024-07-23 22:00,0.1,,30.7,53.0,100.00,1.5,4.7,254,1.21 2024-07-23 23:00,0.1,,30.7,52.0,100.00,1.6,4.0,248,0.40 2024-07-24 00:00,0.0,0,30.7,51.0,100.00,1.5,3.4,244,0.30 2024-07-24 01:00,0.1,,30.7,51.0,100.00,1.5,4.8,265,0.10 2024-07-24 02:00,0.1,,30.7,50.0,100.00,1.9,4.8,247,0.10 2024-07-24 03:00,0.1,,30.7,51.0,100.00,1.4,4.6,255,0.34 2024-07-24 04:00,0.1,,30.7,52.0,100.00,2.8,7.1,214,3.03 2024-07-24 05:00,0.1,,30.7,53.0,96.00,2.5,5.6,239,28.88 2024-07-24 06:00,0.1,,30.7,56.0,90.00,2.4,4.6,261,74.34 2024-07-24 07:00,0.1,,30.7,57.0,86.00,1.8,6.6,237,202.70 2024-07-24 08:00,0.1,,30.7,56.0,98.00,2.1,5.4,100,158.90 2024-07-24 09:00,0.1,,30.7,55.0,99.00,2.5,6.8,105,229.20 2024-07-24 10:00,0.1,,30.7,56.0,99.00,2.3,5.6,80,373.60 2024-07-24 11:00,0.1,,30.6,59.0,95.00,3.0,5.6,74,559.50 2024-07-24 12:00,0.0,0,30.6,60.0,90.00,3.8,8.0,89,673.90 2024-07-24 13:00,0.0,0,30.6,61.0,90.00,3.7,7.0,115,508.00 2024-07-24 14:00,0.0,,30.6,61.0,88.00,3.8,8.8,110,466.40 2024-07-24 15:00,0.0,0,30.6,62.0,91.00,4.7,8.3,109,656.80 2024-07-24 16:00,0.0,,30.6,60.0,95.00,3.6,7.6,121,484.40 2024-07-24 17:00,0.0,0,30.6,61.0,92.00,2.9,7.6,104,323.60 2024-07-24 18:00,0.0,,30.6,60.0,91.00,1.5,4.1,79,177.60 2024-07-24 19:00,0.0,,30.6,58.0,94.00,1.6,4.3,241,55.58 2024-07-24 20:00,0.0,,30.6,56.0,96.00,3.0,9.8,242,31.47 2024-07-24 21:00,0.0,,30.6,58.0,80.00,2.5,8.6,244,10.58 2024-07-24 22:00,0.0,,30.6,56.0,86.00,2.5,7.6,260,1.07 2024-07-24 23:00,0.1,,30.7,55.0,90.00,2.7,7.0,234,0.20 2024-07-25 00:00,0.0,0,30.7,55.0,90.00,2.2,4.0,237,0.07 2024-07-25 01:00,0.1,,30.7,56.0,89.00,0.4,3.2,115,0.27 2024-07-25 02:00,0.1,,30.7,54.0,96.00,0.9,2.5,247,0.27 2024-07-25 03:00,0.1,,30.6,53.0,98.00,2.0,4.2,246,0.51 2024-07-25 04:00,0.1,,30.7,52.0,98.00,1.1,2.4,258,3.94 2024-07-25 05:00,0.1,,30.7,54.0,99.00,0.8,2.6,98,13.69 2024-07-25 06:00,0.1,,30.7,53.0,99.00,0.8,2.3,81,40.91 2024-07-25 07:00,0.1,,30.7,54.0,100.00,1.3,3.5,79,72.50 2024-07-25 08:00,0.1,,30.7,54.0,99.00,3.1,5.6,119,129.80 2024-07-25 09:00,0.1,,30.6,54.0,99.00,3.3,5.7,106,185.20 2024-07-25 10:00,0.1,,30.6,54.0,99.00,4.8,9.1,120,304.40 2024-07-25 11:00,0.0,,30.6,55.0,91.00,4.2,8.2,121,456.80 2024-07-25 12:00,0.0,,30.6,56.0,92.00,4.1,8.2,116,392.10 2024-07-25 13:00,0.0,,30.6,58.0,90.00,3.4,6.9,121,356.00 2024-07-25 14:00,0.0,,30.6,57.0,92.00,2.8,7.5,112,278.90 2024-07-25 15:00,0.0,,30.6,57.0,92.00,3.1,6.5,88,488.30 2024-07-25 16:00,0.0,,30.6,58.0,92.00,2.7,6.6,92,263.20 2024-07-25 17:00,0.0,,30.6,58.0,93.00,3.2,7.2,108,149.40 2024-07-25 18:00,0.0,,30.6,56.0,98.00,3.4,7.5,138,75.64 2024-07-25 19:00,0.0,,30.6,55.0,80.00,1.9,5.3,110,35.79 2024-07-25 20:00,0.0,,30.6,54.0,84.00,2.7,8.9,181,21.74 2024-07-25 21:00,0.0,,30.6,54.0,82.00,2.2,7.8,216,4.17 2024-07-25 22:00,0.0,,30.6,53.0,84.00,2.5,8.3,246,0.40 2024-07-25 23:00,0.1,,30.6,53.0,82.00,3.0,10.0,223,0.37 2024-07-26 00:00,0.0,0,30.7,51.0,82.00,2.6,9.1,225,0.27 2024-07-26 01:00,0.1,,30.7,53.0,76.00,1.8,5.6,308,0.14 2024-07-26 02:00,0.1,,30.7,54.0,73.00,2.8,7.8,159,0.04 2024-07-26 03:00,0.1,,30.7,53.0,76.00,3.6,11.4,27,0.34 2024-07-26 04:00,0.1,,30.7,51.0,86.00,3.0,9.9,345,3.03 2024-07-26 05:00,0.1,,30.7,50.0,87.00,1.9,5.1,233,11.20 2024-07-26 06:00,0.2,,30.8,50.0,92.00,3.4,11.5,212,23.23 2024-07-26 07:00,0.2,,30.9,49.0,92.00,2.9,9.1,206,65.82 2024-07-26 08:00,0.3,,31.1,49.0,90.00,2.5,7.0,351,50.46 2024-07-26 09:00,0.2,,31.2,49.0,85.00,2.3,9.8,14,72.11 2024-07-26 10:00,0.2,,31.2,48.0,90.00,2.3,8.7,332,54.51 2024-07-26 11:00,0.2,,31.3,48.0,97.00,2.4,7.9,357,88.50 2024-07-26 12:00,0.2,,31.4,48.0,93.00,2.5,6.4,0,97.80 2024-07-26 13:00,0.2,,31.5,48.0,95.00,2.3,6.8,347,115.70 2024-07-26 14:00,0.2,,31.6,48.0,93.00,2.2,7.4,338,127.90 2024-07-26 15:00,0.2,,31.7,49.0,89.00,2.2,6.4,28,163.10 2024-07-26 16:00,0.2,,31.8,49.0,84.00,,,,