#------------------------------------------------- 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/wps/portal/wcc/home/dataAccessHelp/helpCenters/reportGeneratorHelp/ # 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: 2023-01-23 21:00 to 2023-01-30 20:00 # # 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: 2023-01-23 21:00 to 2023-01-30 20:00 # # As of: Jan 30, 2023 8:10:09 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) 2023-01-23 21:00,9.5,35,11.9,32.0,74.00,4.1,13.2,189,0.00 2023-01-23 22:00,9.5,33,11.9,32.0,79.00,4.5,15.6,177,0.00 2023-01-23 23:00,9.5,35,11.9,33.0,76.00,4.4,12.6,187,0.00 2023-01-24 00:00,9.5,36,12.0,31.0,85.00,3.1,11.7,177,0.00 2023-01-24 01:00,9.6,35,12.0,31.0,88.00,3.6,10.3,198,0.00 2023-01-24 02:00,9.6,34,12.1,31.0,96.00,3.8,15.2,212,0.00 2023-01-24 03:00,9.7,35,12.2,31.0,94.00,3.8,11.2,219,0.00 2023-01-24 04:00,9.8,37,12.2,33.0,87.00,4.7,12.1,199,0.00 2023-01-24 05:00,9.8,38,12.2,33.0,81.00,6.0,18.5,202,0.00 2023-01-24 06:00,9.8,38,12.2,34.0,72.00,4.8,16.0,180,0.00 2023-01-24 07:00,9.8,38,12.2,33.0,71.00,4.6,14.8,194,0.00 2023-01-24 08:00,9.8,38,12.2,33.0,69.00,4.0,12.5,203,0.00 2023-01-24 09:00,9.8,38,12.2,33.0,64.00,4.4,13.8,188,1.74 2023-01-24 10:00,9.8,38,12.2,32.0,64.00,4.3,10.4,229,15.88 2023-01-24 11:00,9.8,38,12.2,33.0,66.00,4.2,12.9,80,27.92 2023-01-24 12:00,9.8,38,12.2,33.0,65.00,4.5,12.9,175,41.32 2023-01-24 13:00,9.8,38,12.2,33.0,65.00,4.0,11.4,192,37.44 2023-01-24 14:00,9.8,37,12.2,34.0,61.00,3.7,13.3,220,38.80 2023-01-24 15:00,9.8,37,12.2,33.0,62.00,3.7,9.4,354,15.96 2023-01-24 16:00,9.8,37,12.2,35.0,57.00,2.8,10.3,283,4.84 2023-01-24 17:00,9.8,37,12.2,34.0,61.00,3.5,10.8,200,0.23 2023-01-24 18:00,9.8,37,12.2,36.0,56.00,3.7,9.9,194,0.00 2023-01-24 19:00,9.8,37,12.2,36.0,54.00,4.2,9.2,168,0.00 2023-01-24 20:00,9.8,37,12.2,36.0,54.00,3.2,8.6,185,0.00 2023-01-24 21:00,9.8,37,12.2,36.0,53.00,4.0,9.2,166,0.00 2023-01-24 22:00,9.8,37,12.2,37.0,51.00,4.8,10.7,164,0.00 2023-01-24 23:00,9.8,37,12.2,38.0,50.00,4.2,8.4,180,0.00 2023-01-25 00:00,9.8,37,12.2,37.0,51.00,4.8,8.1,263,0.03 2023-01-25 01:00,9.8,37,12.2,36.0,57.00,5.9,8.6,263,0.00 2023-01-25 02:00,9.8,37,12.2,36.0,57.00,2.6,5.1,246,0.00 2023-01-25 03:00,9.8,37,12.2,36.0,57.00,3.7,7.5,271,0.00 2023-01-25 04:00,9.8,37,12.2,37.0,57.00,2.8,7.7,317,0.00 2023-01-25 05:00,9.8,37,12.2,37.0,60.00,3.2,6.6,250,0.00 2023-01-25 06:00,9.8,37,12.2,37.0,60.00,4.2,8.2,304,0.00 2023-01-25 07:00,9.8,37,12.2,34.0,84.00,5.0,9.2,311,0.00 2023-01-25 08:00,9.8,37,12.2,34.0,84.00,4.5,8.1,36,0.00 2023-01-25 09:00,9.8,37,12.2,33.0,93.00,1.8,5.4,68,1.33 2023-01-25 10:00,9.8,37,12.3,33.0,97.00,3.0,7.3,181,9.26 2023-01-25 11:00,9.9,37,12.3,33.0,92.00,4.3,8.9,176,21.26 2023-01-25 12:00,9.8,37,12.3,32.0,93.00,2.4,6.9,165,28.76 2023-01-25 13:00,9.9,37,12.3,31.0,96.00,1.5,4.8,0,32.72 2023-01-25 14:00,9.9,37,12.3,32.0,96.00,0.9,3.4,232,29.96 2023-01-25 15:00,9.9,37,12.3,32.0,98.00,6.9,20.3,238,10.09 2023-01-25 16:00,9.9,36,12.3,31.0,88.00,13.6,20.6,258,7.11 2023-01-25 17:00,10.0,37,12.4,33.0,90.00,7.3,14.6,4,0.47 2023-01-25 18:00,10.0,38,12.4,32.0,96.00,4.7,9.7,254,0.00 2023-01-25 19:00,10.0,38,12.4,33.0,89.00,3.4,10.1,199,0.00 2023-01-25 20:00,10.0,38,12.4,34.0,84.00,10.0,26.1,253,0.00 2023-01-25 21:00,10.0,38,12.4,32.0,84.00,16.6,38.5,249,0.00 2023-01-25 22:00,10.1,38,12.4,32.0,90.00,16.3,30.3,259,0.00 2023-01-25 23:00,10.2,38,12.5,31.0,94.00,9.2,21.4,254,0.00 2023-01-26 00:00,10.2,39,12.5,33.0,92.00,3.6,10.0,232,0.00 2023-01-26 01:00,10.2,39,12.5,33.0,89.00,4.2,8.9,243,0.00 2023-01-26 02:00,10.2,39,12.5,33.0,88.00,6.0,15.4,246,0.00 2023-01-26 03:00,10.2,39,12.5,33.0,86.00,4.9,16.4,189,0.00 2023-01-26 04:00,10.2,39,12.5,34.0,80.00,5.3,13.3,245,0.00 2023-01-26 05:00,10.2,38,12.5,33.0,83.00,2.8,9.2,179,0.00 2023-01-26 06:00,10.2,38,12.5,32.0,86.00,4.2,16.9,235,0.00 2023-01-26 07:00,10.2,38,12.5,33.0,82.00,5.8,20.6,252,0.00 2023-01-26 08:00,10.2,38,12.5,32.0,86.00,10.4,25.7,260,0.07 2023-01-26 09:00,10.3,38,12.6,31.0,87.00,13.0,26.2,263,4.66 2023-01-26 10:00,10.3,38,12.6,30.0,91.00,14.4,30.5,249,17.73 2023-01-26 11:00,10.4,38,12.6,30.0,92.00,14.6,26.2,251,49.00 2023-01-26 12:00,10.4,38,12.6,30.0,87.00,13.0,27.8,248,96.30 2023-01-26 13:00,10.4,38,12.6,30.0,87.00,13.2,28.1,248,58.64 2023-01-26 14:00,10.4,38,12.6,28.0,88.00,14.0,26.5,257,52.53 2023-01-26 15:00,10.4,38,12.6,28.0,90.00,12.4,22.3,255,30.19 2023-01-26 16:00,10.4,38,12.6,29.0,88.00,11.9,17.4,256,8.18 2023-01-26 17:00,10.4,38,12.6,28.0,90.00,6.1,14.5,263,0.27 2023-01-26 18:00,10.4,38,12.6,28.0,93.00,3.4,11.9,132,0.00 2023-01-26 19:00,10.3,38,12.6,28.0,95.00,2.5,5.0,120,0.00 2023-01-26 20:00,10.3,38,12.6,28.0,94.00,1.6,3.9,265,0.00 2023-01-26 21:00,10.3,38,12.6,28.0,90.00,2.3,5.7,252,0.00 2023-01-26 22:00,10.4,38,12.6,24.0,88.00,2.1,5.0,253,0.00 2023-01-26 23:00,10.3,38,12.6,24.0,96.00,1.3,3.3,247,0.00 2023-01-27 00:00,10.3,38,12.6,24.0,93.00,3.2,8.2,262,0.00 2023-01-27 01:00,10.3,38,12.6,24.0,85.00,3.2,7.3,273,0.00 2023-01-27 02:00,10.3,38,12.6,26.0,85.00,2.1,4.1,246,0.00 2023-01-27 03:00,10.3,38,12.6,25.0,88.00,2.4,6.1,278,0.00 2023-01-27 04:00,10.3,38,12.6,29.0,80.00,2.1,5.4,252,0.00 2023-01-27 05:00,10.3,38,12.6,26.0,86.00,3.3,9.5,194,0.00 2023-01-27 06:00,10.4,38,12.6,25.0,96.00,2.8,6.2,205,0.00 2023-01-27 07:00,10.3,38,12.6,26.0,94.00,2.2,4.8,204,0.00 2023-01-27 08:00,10.4,38,12.6,24.0,88.00,3.1,6.9,148,0.07 2023-01-27 09:00,10.3,38,12.6,25.0,92.00,2.1,6.1,255,4.77 2023-01-27 10:00,10.3,38,12.6,21.0,83.00,2.9,8.2,238,21.82 2023-01-27 11:00,10.3,38,12.6,23.0,80.00,2.8,7.2,218,37.67 2023-01-27 12:00,10.3,38,12.6,22.0,93.00,5.1,8.8,254,35.07 2023-01-27 13:00,10.4,38,12.6,23.0,79.00,2.7,8.2,238,35.00 2023-01-27 14:00,10.4,38,12.6,23.0,78.00,3.2,6.4,250,49.76 2023-01-27 15:00,10.4,37,12.6,27.0,72.00,3.5,7.6,238,19.94 2023-01-27 16:00,10.4,37,12.7,26.0,67.00,3.6,5.6,250,6.13 2023-01-27 17:00,10.4,38,12.7,29.0,63.00,2.8,6.0,250,0.27 2023-01-27 18:00,10.3,37,12.6,26.0,66.00,2.8,6.5,251,0.00 2023-01-27 19:00,10.3,37,12.6,31.0,60.00,2.5,6.1,197,0.00 2023-01-27 20:00,10.4,38,12.6,33.0,56.00,2.3,4.8,194,0.00 2023-01-27 21:00,10.4,38,12.6,31.0,58.00,2.6,6.6,169,0.00 2023-01-27 22:00,10.4,38,12.7,33.0,59.00,3.7,8.9,247,0.00 2023-01-27 23:00,10.4,38,12.6,35.0,55.00,3.1,7.3,180,0.00 2023-01-28 00:00,10.4,38,12.6,34.0,57.00,2.2,6.3,182,0.00 2023-01-28 01:00,10.4,37,12.7,36.0,53.00,4.2,7.4,249,0.00 2023-01-28 02:00,10.4,38,12.7,37.0,52.00,1.9,5.4,250,0.00 2023-01-28 03:00,10.4,37,12.7,35.0,65.00,2.1,5.3,236,0.00 2023-01-28 04:00,10.4,37,12.7,35.0,53.00,2.2,5.7,177,0.00 2023-01-28 05:00,10.4,37,12.7,35.0,52.00,1.2,6.3,194,0.00 2023-01-28 06:00,10.4,37,12.7,31.0,64.00,2.0,5.7,248,0.00 2023-01-28 07:00,10.4,37,12.7,33.0,66.00,1.8,4.3,186,0.00 2023-01-28 08:00,10.4,37,12.7,31.0,76.00,1.2,3.8,248,0.07 2023-01-28 09:00,10.4,37,12.7,31.0,73.00,2.0,4.8,231,4.46 2023-01-28 10:00,10.4,37,12.7,32.0,72.00,2.0,4.7,123,27.99 2023-01-28 11:00,10.4,37,12.7,32.0,71.00,1.6,3.9,253,92.00 2023-01-28 12:00,10.4,37,12.7,32.0,72.00,1.8,6.4,203,76.12 2023-01-28 13:00,10.4,37,12.7,32.0,73.00,1.9,5.1,143,75.22 2023-01-28 14:00,10.4,37,12.7,33.0,72.00,1.0,3.3,110,70.16 2023-01-28 15:00,10.4,37,12.7,32.0,72.00,1.6,4.5,71,41.66 2023-01-28 16:00,10.4,37,12.7,32.0,65.00,1.7,5.5,204,17.38 2023-01-28 17:00,10.4,37,12.7,33.0,67.00,3.9,7.2,208,1.34 2023-01-28 18:00,10.4,37,12.7,34.0,64.00,1.5,5.5,184,0.00 2023-01-28 19:00,10.4,37,12.7,32.0,66.00,1.6,2.9,244,0.00 2023-01-28 20:00,10.4,37,12.7,33.0,71.00,3.1,6.7,261,0.00 2023-01-28 21:00,10.4,37,12.7,35.0,78.00,3.2,7.9,343,0.00 2023-01-28 22:00,10.4,37,12.7,35.0,81.00,1.9,4.5,136,0.00 2023-01-28 23:00,10.4,37,12.7,34.0,83.00,1.6,4.2,230,0.00 2023-01-29 00:00,10.4,37,12.7,36.0,86.00,2.1,6.3,170,0.00 2023-01-29 01:00,10.4,37,12.7,33.0,86.00,2.2,6.8,251,0.00 2023-01-29 02:00,10.4,37,12.7,32.0,83.00,2.9,6.6,254,0.00 2023-01-29 03:00,10.4,37,12.7,34.0,82.00,4.7,7.7,248,0.00 2023-01-29 04:00,10.4,37,12.7,35.0,70.00,3.1,6.8,237,0.00 2023-01-29 05:00,10.4,37,12.7,35.0,72.00,3.2,5.9,257,0.00 2023-01-29 06:00,10.4,37,12.6,32.0,74.00,2.5,6.2,238,0.00 2023-01-29 07:00,10.4,37,12.6,33.0,72.00,4.0,8.5,262,0.00 2023-01-29 08:00,10.4,37,12.7,35.0,66.00,2.8,7.0,206,0.07 2023-01-29 09:00,10.4,37,12.6,33.0,71.00,2.9,6.0,283,4.19 2023-01-29 10:00,10.4,37,12.6,29.0,77.00,3.8,14.5,240,31.18 2023-01-29 11:00,10.4,37,12.6,34.0,69.00,3.2,7.5,242,50.32 2023-01-29 12:00,10.4,37,12.7,34.0,73.00,1.9,7.0,217,64.71 2023-01-29 13:00,10.4,37,12.7,35.0,72.00,3.7,7.0,303,64.12 2023-01-29 14:00,10.4,37,12.7,33.0,86.00,1.6,3.7,264,40.06 2023-01-29 15:00,10.5,37,12.7,34.0,94.00,2.4,9.7,202,22.43 2023-01-29 16:00,10.5,37,12.7,34.0,89.00,3.0,11.4,202,6.22 2023-01-29 17:00,10.5,36,12.7,33.0,94.00,2.3,7.1,234,0.34 2023-01-29 18:00,10.6,36,12.8,34.0,93.00,0.0,0.0,0,0.00 2023-01-29 19:00,10.6,36,12.8,34.0,89.00,4.3,15.8,220,0.00 2023-01-29 20:00,10.6,37,12.8,33.0,87.00,4.3,13.8,212,0.00 2023-01-29 21:00,10.7,38,12.8,33.0,91.00,1.7,5.4,252,0.00 2023-01-29 22:00,10.7,38,12.9,33.0,90.00,3.0,10.0,62,0.00 2023-01-29 23:00,10.7,38,12.9,33.0,90.00,2.7,9.8,170,0.00 2023-01-30 00:00,10.7,38,12.9,35.0,76.00,2.8,8.8,181,0.00 2023-01-30 01:00,10.7,38,12.9,34.0,74.00,1.8,6.5,147,0.00 2023-01-30 02:00,10.7,38,12.9,34.0,75.00,3.2,8.4,217,0.00 2023-01-30 03:00,10.7,38,12.9,34.0,71.00,4.7,13.3,203,0.00 2023-01-30 04:00,10.7,38,12.9,33.0,74.00,2.1,6.5,220,0.00 2023-01-30 05:00,10.7,38,12.9,32.0,79.00,2.0,4.3,243,0.00 2023-01-30 06:00,10.7,38,12.9,32.0,80.00,1.6,4.2,270,0.00 2023-01-30 07:00,10.7,38,12.9,31.0,83.00,3.6,5.9,261,0.00 2023-01-30 08:00,10.7,38,12.9,31.0,81.00,1.8,3.6,254,0.00 2023-01-30 09:00,10.7,37,12.9,31.0,87.00,1.0,3.3,234,1.26 2023-01-30 10:00,10.7,38,12.9,30.0,89.00,3.1,5.3,260,12.59 2023-01-30 11:00,10.7,39,12.9,32.0,84.00,1.9,4.5,212,21.58 2023-01-30 12:00,10.7,38,12.9,33.0,83.00,1.5,6.1,245,23.91 2023-01-30 13:00,10.7,38,12.9,33.0,84.00,1.1,3.6,228,24.03 2023-01-30 14:00,10.7,38,12.9,32.0,87.00,2.3,4.3,262,19.39 2023-01-30 15:00,10.7,38,12.9,31.0,86.00,2.3,4.8,241,12.04 2023-01-30 16:00,10.7,38,12.9,31.0,84.00,2.5,5.1,224,3.60 2023-01-30 17:00,10.7,38,12.9,31.0,86.00,2.3,4.3,252,0.20 2023-01-30 18:00,10.7,38,12.9,30.0,84.00,,,,