#------------------------------------------------- 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: 2024-10-28 04:00 to 2024-11-04 03:00 # # 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: 2024-10-28 04:00 to 2024-11-04 03:00 # # As of: Nov 4, 2024, 3:49:02 AM 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) 2024-10-28 04:00,1.7,4,3.7,28.0,36.00,2.6,7.7,240,0.41 2024-10-28 05:00,1.8,4,3.7,27.0,68.00,2.0,5.7,260,0.36 2024-10-28 06:00,1.8,4,3.7,27.0,72.00,2.6,6.0,251,0.33 2024-10-28 07:00,1.8,4,3.7,28.0,72.00,1.8,5.4,16,0.42 2024-10-28 08:00,1.8,4,3.7,27.0,85.00,1.9,8.0,284,3.43 2024-10-28 09:00,1.8,4,3.7,26.0,83.00,3.3,9.1,235,17.20 2024-10-28 10:00,1.9,6,3.8,27.0,86.00,3.2,9.7,225,40.81 2024-10-28 11:00,1.9,6,3.8,27.0,88.00,3.4,8.7,259,60.26 2024-10-28 12:00,2.0,6,3.8,28.0,89.00,2.7,7.2,274,53.95 2024-10-28 13:00,2.0,6,3.8,29.0,86.00,3.5,11.4,255,44.31 2024-10-28 14:00,2.1,6,3.9,28.0,89.00,2.5,9.5,278,34.69 2024-10-28 15:00,2.1,5,3.9,28.0,93.00,2.6,8.1,166,26.06 2024-10-28 16:00,2.2,8,4.0,28.0,96.00,1.3,5.3,96,9.65 2024-10-28 17:00,2.3,7,4.0,28.0,96.00,1.0,2.3,244,0.87 2024-10-28 18:00,2.3,8,4.1,28.0,96.00,1.6,4.5,206,0.42 2024-10-28 19:00,2.4,9,4.1,29.0,97.00,2.6,5.1,259,0.42 2024-10-28 20:00,2.4,9,4.2,30.0,93.00,2.2,5.4,269,0.37 2024-10-28 21:00,2.5,8,4.2,30.0,96.00,4.5,7.0,251,0.44 2024-10-28 22:00,2.5,9,4.2,30.0,94.00,1.6,5.2,294,0.44 2024-10-28 23:00,2.6,,4.3,30.0,97.00,3.8,7.3,238,0.43 2024-10-29 00:00,2.6,9,4.3,30.0,97.00,3.0,6.4,265,0.42 2024-10-29 01:00,2.7,12,4.4,30.0,96.00,3.6,6.9,234,0.41 2024-10-29 02:00,2.7,12,4.4,30.0,96.00,1.2,3.7,123,0.44 2024-10-29 03:00,2.7,14,4.4,30.0,98.00,0.7,2.9,89,0.44 2024-10-29 04:00,2.8,14,4.5,30.0,98.00,0.0,0.0,0,0.42 2024-10-29 05:00,2.8,14,4.5,29.0,98.00,0.0,0.0,0,0.42 2024-10-29 06:00,2.8,14,4.5,29.0,98.00,0.0,0.0,0,0.42 2024-10-29 07:00,2.8,14,4.5,29.0,98.00,0.0,0.0,0,0.44 2024-10-29 08:00,2.8,14,4.6,28.0,98.00,0.0,0.0,0,2.62 2024-10-29 09:00,2.8,14,4.6,28.0,98.00,0.0,0.0,0,13.38 2024-10-29 10:00,2.8,14,4.6,27.0,95.00,0.0,0.0,0,27.59 2024-10-29 11:00,2.8,14,4.6,29.0,96.00,0.0,0.0,0,40.96 2024-10-29 12:00,2.8,14,4.6,28.0,94.00,0.0,0.0,0,46.42 2024-10-29 13:00,2.8,14,4.6,29.0,89.00,0.0,0.0,0,38.72 2024-10-29 14:00,2.9,14,4.6,29.0,96.00,0.0,0.0,0,31.31 2024-10-29 15:00,2.9,14,4.6,30.0,87.00,0.0,0.0,0,17.99 2024-10-29 16:00,2.8,14,4.6,29.0,85.00,0.0,0.0,0,6.34 2024-10-29 17:00,2.9,14,4.6,28.0,91.00,0.0,0.0,0,0.76 2024-10-29 18:00,2.8,14,4.6,29.0,78.00,0.0,0.0,0,0.40 2024-10-29 19:00,2.8,14,4.6,27.0,87.00,0.0,0.0,0,0.39 2024-10-29 20:00,2.8,14,4.6,26.0,90.00,0.0,0.0,0,0.39 2024-10-29 21:00,2.8,14,4.6,26.0,88.00,0.0,0.0,0,0.40 2024-10-29 22:00,2.8,14,4.6,25.0,87.00,0.0,0.0,0,0.41 2024-10-29 23:00,2.8,13,4.6,23.0,86.00,0.0,0.0,0,0.41 2024-10-30 00:00,2.8,14,4.6,24.0,79.00,0.0,0.0,0,0.40 2024-10-30 01:00,2.8,13,4.6,23.0,81.00,0.0,0.0,0,0.40 2024-10-30 02:00,2.8,13,4.6,23.0,78.00,0.0,0.0,0,0.42 2024-10-30 03:00,2.8,13,4.6,23.0,78.00,4.8,8.2,267,0.44 2024-10-30 04:00,2.8,13,4.6,22.0,69.00,4.3,7.4,266,0.41 2024-10-30 05:00,2.8,13,4.6,21.0,67.00,3.3,8.4,262,0.46 2024-10-30 06:00,2.8,12,4.6,22.0,61.00,3.4,6.5,262,0.45 2024-10-30 07:00,2.8,12,4.6,20.0,65.00,4.7,8.2,257,0.44 2024-10-30 08:00,2.8,11,4.6,22.0,62.00,3.1,6.3,252,4.72 2024-10-30 09:00,2.8,11,4.6,21.0,62.00,2.8,8.2,239,17.30 2024-10-30 10:00,2.8,11,4.6,22.0,70.00,4.1,9.7,243,25.52 2024-10-30 11:00,2.8,11,4.6,19.0,67.00,2.9,8.6,248,144.90 2024-10-30 12:00,2.8,12,4.6,21.0,62.00,5.8,9.7,217,58.94 2024-10-30 13:00,2.8,13,4.7,23.0,69.00,4.9,8.1,235,26.86 2024-10-30 14:00,2.8,13,4.7,21.0,71.00,4.8,8.2,257,20.95 2024-10-30 15:00,2.9,13,4.6,20.0,72.00,4.4,6.9,261,12.54 2024-10-30 16:00,2.8,13,4.6,19.0,74.00,3.7,7.2,271,8.13 2024-10-30 17:00,2.8,13,4.6,20.0,71.00,2.6,5.0,250,0.60 2024-10-30 18:00,2.8,13,4.6,20.0,66.00,3.7,6.2,255,0.46 2024-10-30 19:00,2.8,13,4.6,18.0,68.00,3.7,6.2,259,0.39 2024-10-30 20:00,2.8,13,4.6,22.0,65.00,2.0,4.3,249,0.35 2024-10-30 21:00,2.8,12,4.6,26.0,59.00,1.7,4.6,267,0.32 2024-10-30 22:00,2.8,13,4.7,26.0,64.00,2.3,4.7,266,0.33 2024-10-30 23:00,2.8,13,4.7,27.0,60.00,2.2,5.8,270,0.33 2024-10-31 00:00,2.8,13,4.7,25.0,67.00,2.7,5.7,240,0.30 2024-10-31 01:00,2.8,13,4.7,30.0,65.00,4.6,7.0,252,0.37 2024-10-31 02:00,2.9,13,4.7,30.0,69.00,2.9,7.0,253,0.33 2024-10-31 03:00,2.9,13,4.7,29.0,71.00,2.7,6.7,240,0.35 2024-10-31 04:00,2.9,13,4.7,30.0,70.00,2.4,5.3,259,0.36 2024-10-31 05:00,2.9,13,4.7,31.0,87.00,2.2,7.7,106,0.42 2024-10-31 06:00,2.9,10,4.7,26.0,93.00,2.2,5.5,191,0.43 2024-10-31 07:00,2.9,13,4.7,27.0,95.00,1.6,4.4,260,0.39 2024-10-31 08:00,2.9,13,4.7,28.0,95.00,2.2,6.2,158,1.76 2024-10-31 09:00,2.9,13,4.7,29.0,93.00,1.0,3.1,212,8.90 2024-10-31 10:00,2.9,13,4.7,30.0,94.00,1.6,3.5,151,22.52 2024-10-31 11:00,2.9,13,4.7,29.0,97.00,1.9,4.7,286,29.14 2024-10-31 12:00,2.9,13,4.7,31.0,96.00,1.8,4.9,81,33.03 2024-10-31 13:00,2.9,12,4.7,27.0,92.00,1.4,2.8,242,32.75 2024-10-31 14:00,2.9,13,4.7,31.0,93.00,1.7,3.5,139,29.25 2024-10-31 15:00,2.9,11,4.7,32.0,96.00,0.8,2.9,132,16.63 2024-10-31 16:00,3.0,13,4.7,32.0,97.00,0.3,2.7,243,5.58 2024-10-31 17:00,3.0,13,4.7,32.0,98.00,0.4,1.6,288,0.59 2024-10-31 18:00,3.0,12,4.8,31.0,98.00,0.8,2.0,276,0.44 2024-10-31 19:00,3.0,,4.8,32.0,98.00,0.8,2.9,194,0.47 2024-10-31 20:00,3.0,,4.8,32.0,97.00,1.6,5.1,251,0.57 2024-10-31 21:00,3.0,10,4.8,32.0,96.00,2.0,5.7,217,0.40 2024-10-31 22:00,3.0,13,4.8,32.0,87.00,1.2,2.7,99,0.40 2024-10-31 23:00,3.0,14,4.8,30.0,98.00,3.0,8.0,229,0.40 2024-11-01 00:00,3.0,14,4.8,31.0,90.00,4.3,9.1,237,0.36 2024-11-01 01:00,3.0,14,4.8,29.0,96.00,0.7,2.6,84,0.43 2024-11-01 02:00,3.1,,4.8,29.0,98.00,0.9,2.4,274,0.41 2024-11-01 03:00,3.1,,4.8,29.0,98.00,2.1,4.6,271,0.40 2024-11-01 04:00,3.1,13,4.8,29.0,97.00,1.7,4.4,257,0.45 2024-11-01 05:00,3.1,14,4.9,28.0,97.00,1.8,3.6,265,0.42 2024-11-01 06:00,3.1,14,4.9,28.0,97.00,1.5,5.2,249,0.42 2024-11-01 07:00,3.1,14,4.9,28.0,97.00,1.0,2.8,255,0.43 2024-11-01 08:00,3.1,,4.9,28.0,97.00,2.8,7.4,263,4.33 2024-11-01 09:00,3.1,14,4.9,27.0,92.00,3.5,7.2,261,20.14 2024-11-01 10:00,3.1,13,4.9,29.0,88.00,3.6,7.9,234,34.65 2024-11-01 11:00,3.1,14,4.9,34.0,75.00,3.8,8.4,212,78.13 2024-11-01 12:00,3.1,13,4.9,35.0,75.00,4.4,8.7,254,52.17 2024-11-01 13:00,3.1,12,4.9,32.0,75.00,2.4,5.1,248,44.65 2024-11-01 14:00,3.1,14,4.9,32.0,68.00,4.9,9.1,261,24.57 2024-11-01 15:00,3.1,14,4.9,29.0,67.00,5.6,9.0,260,15.58 2024-11-01 16:00,3.1,14,4.9,31.0,65.00,3.5,7.1,258,5.25 2024-11-01 17:00,3.1,14,4.9,32.0,67.00,5.4,9.0,254,0.29 2024-11-01 18:00,3.1,14,4.9,29.0,66.00,3.8,7.1,260,0.17 2024-11-01 19:00,3.1,14,4.9,32.0,65.00,4.4,8.9,222,0.03 2024-11-01 20:00,3.1,14,4.9,34.0,59.00,6.0,13.1,226,0.01 2024-11-01 21:00,3.1,14,4.9,33.0,62.00,3.7,10.5,224,0.01 2024-11-01 22:00,3.1,14,4.9,32.0,65.00,3.4,8.4,227,0.00 2024-11-01 23:00,3.1,14,4.9,33.0,62.00,3.5,6.8,243,0.00 2024-11-02 00:00,3.1,14,4.9,31.0,70.00,3.6,6.6,264,0.01 2024-11-02 01:00,3.1,14,4.9,31.0,70.00,2.4,5.5,275,0.00 2024-11-02 02:00,3.1,14,4.9,32.0,67.00,3.4,7.0,273,0.01 2024-11-02 03:00,3.1,14,4.9,30.0,73.00,2.7,5.7,258,0.01 2024-11-02 04:00,3.1,14,4.9,33.0,64.00,3.4,6.4,247,0.00 2024-11-02 05:00,3.1,14,4.9,31.0,70.00,2.3,4.5,241,0.01 2024-11-02 06:00,3.1,14,4.9,32.0,63.00,3.0,4.8,257,0.02 2024-11-02 07:00,3.1,14,4.9,31.0,67.00,3.5,7.2,253,0.03 2024-11-02 08:00,3.1,14,4.9,30.0,68.00,4.1,7.4,258,4.70 2024-11-02 09:00,3.1,14,4.9,30.0,67.00,2.8,5.6,242,38.75 2024-11-02 10:00,3.1,14,4.9,30.0,67.00,2.7,4.3,254,65.84 2024-11-02 11:00,3.1,14,4.9,32.0,64.00,2.4,6.4,253,80.50 2024-11-02 12:00,3.1,14,4.9,32.0,65.00,3.1,4.8,252,117.80 2024-11-02 13:00,3.1,14,4.9,33.0,60.00,6.0,8.7,246,67.15 2024-11-02 14:00,3.1,14,4.9,30.0,63.00,4.3,7.0,254,67.09 2024-11-02 15:00,3.1,14,4.9,30.0,61.00,3.9,6.5,253,44.36 2024-11-02 16:00,3.1,14,4.9,30.0,62.00,4.0,6.5,260,8.86 2024-11-02 17:00,3.1,14,4.9,30.0,62.00,4.6,7.7,259,0.32 2024-11-02 18:00,3.1,14,4.9,30.0,63.00,4.0,7.6,274,0.14 2024-11-02 19:00,3.1,14,4.9,31.0,61.00,3.4,6.7,280,0.11 2024-11-02 20:00,3.1,14,4.9,32.0,59.00,2.5,6.2,245,0.15 2024-11-02 21:00,3.1,14,4.9,30.0,63.00,3.3,6.0,257,0.11 2024-11-02 22:00,3.1,14,4.9,29.0,61.00,4.0,5.9,258,0.05 2024-11-02 23:00,3.1,14,4.9,29.0,59.00,3.9,6.0,258,0.12 2024-11-03 00:00,3.1,13,4.9,30.0,57.00,3.6,6.4,266,0.07 2024-11-03 01:00,3.1,14,4.9,29.0,57.00,3.6,5.9,256,0.06 2024-11-03 02:00,3.1,13,4.9,29.0,56.00,4.4,6.7,266,0.09 2024-11-03 03:00,3.1,14,4.9,29.0,58.00,3.3,6.0,264,0.18 2024-11-03 04:00,3.1,14,4.9,32.0,57.00,2.7,5.9,260,0.20 2024-11-03 05:00,3.1,14,4.9,31.0,59.00,4.6,7.6,263,0.13 2024-11-03 06:00,3.1,14,4.9,33.0,59.00,4.3,6.0,272,0.19 2024-11-03 07:00,3.1,13,4.9,32.0,63.00,4.5,8.0,279,0.07 2024-11-03 08:00,3.1,13,4.9,30.0,63.00,4.1,6.4,254,3.45 2024-11-03 09:00,3.1,13,4.9,30.0,63.00,3.0,4.7,260,33.83 2024-11-03 10:00,3.1,13,4.9,31.0,67.00,1.9,3.7,253,65.95 2024-11-03 11:00,3.1,13,4.9,32.0,65.00,2.5,4.0,260,80.70 2024-11-03 12:00,3.1,13,4.9,33.0,62.00,2.6,5.0,215,104.00 2024-11-03 13:00,3.1,13,4.9,34.0,56.00,2.7,4.6,242,84.20 2024-11-03 14:00,3.1,13,4.9,33.0,67.00,2.2,6.5,240,57.29 2024-11-03 15:00,3.1,13,4.9,33.0,75.00,3.5,5.0,255,38.56 2024-11-03 16:00,3.1,13,4.9,31.0,80.00,3.1,4.7,258,8.56 2024-11-03 17:00,3.1,13,4.9,30.0,84.00,2.1,3.7,164,0.53 2024-11-03 18:00,3.1,13,4.9,29.0,98.00,1.5,6.6,113,0.32 2024-11-03 19:00,3.1,13,4.9,27.0,95.00,1.1,3.9,102,0.35 2024-11-03 20:00,3.2,13,4.9,26.0,96.00,1.6,10.2,356,0.41 2024-11-03 21:00,3.2,13,5.0,28.0,91.00,6.5,12.4,241,0.42 2024-11-03 22:00,3.2,14,5.0,27.0,88.00,3.1,11.0,193,0.47 2024-11-03 23:00,3.2,14,5.0,25.0,97.00,2.0,5.2,247,0.27 2024-11-04 00:00,3.2,14,5.0,25.0,95.00,0.7,2.8,260,0.35 2024-11-04 01:00,3.2,14,5.0,25.0,94.00,0.5,2.5,242,0.40 2024-11-04 02:00,3.2,14,5.0,25.0,95.00,,,,