#------------------------------------------------- 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: Daily # Date Range: 2024-10-01 to 2025-09-30 # Report Instantaneous Data As: End of Day # # Data for the following site(s) are contained in this file: # # Other NRCS Hydromet 1087: Seal Island, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Air Temperature Maximum Value None Day N/A Degrees fahrenheit N/A TMAX Maximum air temperature - sub-hourly sampling frequency # Air Temperature Minimum Value None Day N/A Degrees fahrenheit N/A TMIN Minimum air temperature - sub-hourly sampling frequency # Air Temperature Average Value None Day N/A Degrees fahrenheit N/A TAVG Average air temperature - sub-hourly sampling frequency # Precipitation Accumulation Value None Instantaneous - End of Day N/A Inches N/A PREC Water year accumulated precipitation # # 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 # K Estimate Estimate # C Correction A different equation has been applied to the original sensor voltage # B Back Estimate Regression-based estimate for homogenizing collocated Snow Course and Snow Pillow data sets # X External Estimate External estimate # S Suspect Suspect data # M Missing Value is missing # # 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 # #------------------------------------------------------------------------------------------------------ # # Seal Island (1087) # Alaska Other NRCS Hydromet Site - 30 ft # Reporting Frequency: Daily; Date Range: 2024-10-01 to 2025-09-30 # # As of: Apr 26, 2025, 4:23:19 PM GMT-08:00 # Date,Air Temperature Maximum (degF),Air Temperature Minimum (degF),Air Temperature Average (degF),Precipitation Accumulation (in) End of Day Values 2024-10-01,55.0,48.0,51.0,0.0 2024-10-02,53.0,46.0,50.0,0.0 2024-10-03,51.0,48.0,49.0,0.1 2024-10-04,52.0,48.0,50.0,1.1 2024-10-05,50.0,45.0,48.0,1.8 2024-10-06,51.0,47.0,49.0,1.9 2024-10-07,51.0,46.0,49.0,2.2 2024-10-08,53.0,46.0,49.0,2.3 2024-10-09,50.0,43.0,47.0,2.6 2024-10-10,48.0,42.0,45.0,2.7 2024-10-11,49.0,45.0,46.0,3.0 2024-10-12,51.0,45.0,47.0,3.6 2024-10-13,50.0,45.0,47.0,4.6 2024-10-14,50.0,46.0,48.0,4.8 2024-10-15,50.0,43.0,47.0,4.9 2024-10-16,48.0,43.0,45.0,4.9 2024-10-17,44.0,41.0,42.0,5.0 2024-10-18,41.0,38.0,40.0,5.0 2024-10-19,42.0,37.0,40.0,5.3 2024-10-20,45.0,37.0,41.0,5.3 2024-10-21,49.0,40.0,44.0,5.4 2024-10-22,49.0,38.0,43.0,5.4 2024-10-23,45.0,39.0,43.0,5.5 2024-10-24,43.0,38.0,41.0,5.6 2024-10-25,46.0,39.0,43.0,5.9 2024-10-26,48.0,42.0,44.0,5.9 2024-10-27,45.0,39.0,41.0,6.0 2024-10-28,43.0,40.0,42.0,6.1 2024-10-29,43.0,39.0,42.0,7.9 2024-10-30,44.0,40.0,41.0,7.9 2024-10-31,46.0,41.0,44.0,9.0 2024-11-01,46.0,42.0,44.0,9.1 2024-11-02,46.0,42.0,44.0,9.2 2024-11-03,44.0,41.0,43.0,9.4 2024-11-04,44.0,40.0,42.0,9.4 2024-11-05,46.0,37.0,41.0,10.4 2024-11-06,46.0,40.0,43.0,10.6 2024-11-07,46.0,40.0,44.0,10.8 2024-11-08,44.0,41.0,43.0,11.2 2024-11-09,45.0,41.0,43.0,11.5 2024-11-10,47.0,44.0,45.0,11.6 2024-11-11,45.0,37.0,41.0,11.7 2024-11-12,39.0,36.0,38.0,11.7 2024-11-13,38.0,36.0,37.0,11.7 2024-11-14,39.0,34.0,36.0,11.8 2024-11-15,43.0,35.0,41.0,11.9 2024-11-16,43.0,31.0,38.0,12.2 2024-11-17,34.0,31.0,32.0,12.3 2024-11-18,35.0,31.0,33.0,12.3 2024-11-19,35.0,30.0,32.0,12.3 2024-11-20,37.0,32.0,35.0,12.3 2024-11-21,45.0,37.0,41.0,12.3 2024-11-22,44.0,39.0,41.0,12.3 2024-11-23,43.0,39.0,40.0,12.3 2024-11-24,41.0,39.0,40.0,12.3 2024-11-25,41.0,35.0,38.0,12.3 2024-11-26,38.0,34.0,36.0,12.3 2024-11-27,36.0,32.0,34.0,12.4 2024-11-28,34.0,31.0,32.0,12.4 2024-11-29,36.0,32.0,34.0,12.4 2024-11-30,35.0,32.0,33.0,12.4 2024-12-01,39.0,33.0,35.0,12.5 2024-12-02,42.0,38.0,40.0,12.5 2024-12-03,46.0,40.0,43.0,13.9 2024-12-04,46.0,43.0,45.0,14.1 2024-12-05,45.0,43.0,44.0,14.9 2024-12-06,45.0,39.0,42.0,16.0 2024-12-07,44.0,40.0,42.0,16.0 2024-12-08,44.0,41.0,43.0,16.1 2024-12-09,45.0,41.0,43.0,16.9 2024-12-10,45.0,44.0,44.0,17.2 2024-12-11,44.0,42.0,43.0,17.8 2024-12-12,44.0,38.0,41.0,18.1 2024-12-13,40.0,35.0,38.0,18.2 2024-12-14,38.0,34.0,35.0,18.2 2024-12-15,40.0,35.0,37.0,18.3 2024-12-16,42.0,38.0,40.0,18.4 2024-12-17,42.0,39.0,40.0,18.4 2024-12-18,40.0,36.0,38.0,18.4 2024-12-19,43.0,38.0,40.0,18.4 2024-12-20,44.0,42.0,43.0,18.5 2024-12-21,48.0,43.0,45.0,18.9 2024-12-22,46.0,43.0,44.0,19.7 2024-12-23,45.0,39.0,43.0,20.2 2024-12-24,41.0,38.0,40.0,20.8 2024-12-25,43.0,39.0,41.0,21.2 2024-12-26,41.0,38.0,39.0,21.3 2024-12-27,42.0,37.0,39.0,21.4 2024-12-28,40.0,35.0,37.0,21.6 2024-12-29,41.0,37.0,39.0,21.6 2024-12-30,42.0,38.0,41.0,21.6 2024-12-31,42.0,38.0,40.0,21.6 2025-01-01,39.0,33.0,37.0,21.8 2025-01-02,35.0,31.0,32.0,21.8 2025-01-03,35.0,33.0,34.0,21.7 2025-01-04,41.0,33.0,35.0,21.7 2025-01-05,45.0,36.0,40.0,22.5 2025-01-06,46.0,42.0,44.0,23.8 2025-01-07,45.0,41.0,43.0,24.0 2025-01-08,44.0,38.0,41.0,24.1 2025-01-09,45.0,40.0,43.0,24.6 2025-01-10,44.0,42.0,43.0,24.6 2025-01-11,45.0,38.0,43.0,26.1 2025-01-12,45.0,39.0,42.0,28.9 2025-01-13,46.0,38.0,41.0,29.3 2025-01-14,42.0,37.0,40.0,29.3 2025-01-15,42.0,36.0,39.0,29.5 2025-01-16,40.0,36.0,38.0,29.5 2025-01-17,41.0,38.0,40.0,29.6 2025-01-18,43.0,39.0,41.0,29.7 2025-01-19,42.0,38.0,40.0,31.2 2025-01-20,42.0,36.0,40.0,31.2 2025-01-21,42.0,39.0,41.0,32.2 2025-01-22,43.0,40.0,42.0,32.2 2025-01-23,44.0,41.0,42.0,32.3 2025-01-24,45.0,42.0,43.0,32.4 2025-01-25,43.0,39.0,42.0,33.5 2025-01-26,44.0,37.0,41.0,35.9 2025-01-27,43.0,36.0,39.0,36.1 2025-01-28,37.0,23.0,32.0,36.1 2025-01-29,23.0,17.0,20.0,36.1 2025-01-30,25.0,18.0,21.0,36.1 2025-01-31,31.0,24.0,28.0,36.1 2025-02-01,35.0,27.0,31.0,36.1 2025-02-02,38.0,33.0,35.0,36.1 2025-02-03,38.0,34.0,36.0,36.1 2025-02-04,36.0,31.0,34.0,36.1 2025-02-05,38.0,30.0,33.0,36.1 2025-02-06,40.0,35.0,38.0,36.1 2025-02-07,38.0,35.0,37.0,36.1 2025-02-08,37.0,35.0,37.0,36.1 2025-02-09,39.0,36.0,37.0,36.1 2025-02-10,40.0,37.0,39.0,36.1 2025-02-11,39.0,32.0,36.0,36.2 2025-02-12,36.0,32.0,34.0,36.2 2025-02-13,35.0,32.0,33.0,36.3 2025-02-14,39.0,34.0,36.0,36.7 2025-02-15,41.0,37.0,40.0,36.9 2025-02-16,42.0,38.0,40.0,37.3 2025-02-17,42.0,41.0,42.0,37.4 2025-02-18,42.0,40.0,41.0,37.6 2025-02-19,43.0,40.0,41.0,37.7 2025-02-20,43.0,39.0,41.0,37.8 2025-02-21,42.0,39.0,41.0,38.3 2025-02-22,41.0,38.0,39.0,38.3 2025-02-23,41.0,38.0,39.0,38.4 2025-02-24,40.0,37.0,39.0,38.5 2025-02-25,41.0,39.0,40.0,38.6 2025-02-26,45.0,38.0,40.0,38.8 2025-02-27,43.0,38.0,40.0,39.0 2025-02-28,43.0,38.0,41.0,39.4 2025-03-01,43.0,41.0,42.0,39.5 2025-03-02,44.0,42.0,43.0,39.6 2025-03-03,43.0,41.0,42.0,39.8 2025-03-04,44.0,39.0,42.0,39.8 2025-03-05,44.0,36.0,40.0,40.9 2025-03-06,45.0,37.0,41.0,40.9 2025-03-07,41.0,38.0,39.0,40.9 2025-03-08,42.0,36.0,39.0,41.0 2025-03-09,41.0,38.0,39.0,41.7 2025-03-10,42.0,37.0,41.0,41.7 2025-03-11,44.0,39.0,41.0,41.7 2025-03-12,41.0,36.0,38.0,41.8 2025-03-13,42.0,36.0,39.0,41.8 2025-03-14,40.0,35.0,38.0,41.9 2025-03-15,43.0,33.0,37.0,41.9 2025-03-16,39.0,31.0,35.0,42.4 2025-03-17,36.0,30.0,32.0,42.6 2025-03-18,40.0,36.0,38.0,43.3 2025-03-19,43.0,39.0,41.0,43.4 2025-03-20,44.0,38.0,41.0,43.5 2025-03-21,45.0,37.0,41.0,43.5 2025-03-22,43.0,40.0,41.0,43.5 2025-03-23,47.0,39.0,42.0,43.6 2025-03-24,43.0,39.0,42.0,43.7 2025-03-25,44.0,42.0,43.0,44.0 2025-03-26,44.0,42.0,43.0,44.1 2025-03-27,47.0,40.0,43.0,44.1 2025-03-28,47.0,40.0,43.0,44.1 2025-03-29,48.0,42.0,44.0,44.1 2025-03-30,49.0,41.0,44.0,44.1 2025-03-31,49.0,40.0,45.0,44.1 2025-04-01,50.0,42.0,45.0,44.1 2025-04-02,49.0,41.0,45.0,44.1 2025-04-03,48.0,44.0,45.0,44.1 2025-04-04,44.0,43.0,44.0,45.5 2025-04-05,46.0,43.0,45.0,45.8 2025-04-06,45.0,40.0,43.0,46.8 2025-04-07,43.0,39.0,42.0,47.1 2025-04-08,44.0,35.0,40.0,47.6 2025-04-09,43.0,36.0,39.0,47.8 2025-04-10,40.0,35.0,37.0,48.8 2025-04-11,41.0,35.0,39.0,48.8 2025-04-12,41.0,37.0,39.0,48.9 2025-04-13,44.0,37.0,41.0,49.7 2025-04-14,42.0,35.0,38.0,49.9 2025-04-15,44.0,37.0,41.0,49.9 2025-04-16,43.0,39.0,41.0,51.2 2025-04-17,44.0,40.0,42.0,52.1 2025-04-18,45.0,39.0,42.0,52.1 2025-04-19,48.0,40.0,44.0,52.2 2025-04-20,48.0,40.0,43.0,52.2 2025-04-21,42.0,38.0,41.0,52.5 2025-04-22,45.0,42.0,43.0,52.5 2025-04-23,46.0,42.0,44.0,52.5 2025-04-24,48.0,41.0,43.0,52.7 2025-04-25,48.0,41.0,44.0,52.6