#------------------------------------------------- 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: 2025-06-30 21:00 to 2025-07-03 20:00 # # 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 Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # Barometric Pressure Value None Instantaneous N/A Inches hg N/A PRES Barometric pressure # Wind Speed Maximum Value None Hour N/A Miles/hour N/A WSPDX Maximum wind speed # Wind Speed Average Value None Hour N/A Miles/hour N/A WSPDV Average wind speed # Wind Direction Average Value None Hour N/A Degrees N/A WDIRV Average wind direction # # 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: Hourly; Date Range: 2025-06-30 21:00 to 2025-07-03 20:00 # # As of: Jul 3, 2025, 8:32:31 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Relative Humidity (pct),Barometric Pressure (inch_Hg),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2025-06-30 21:00,54.0,61.30,,,,, 2025-06-30 22:00,54.0,61.30,,,,, 2025-06-30 23:00,54.0,61.30,,,,, 2025-07-01 00:00,54.0,61.30,,,,, 2025-07-01 01:00,54.0,61.30,,,,, 2025-07-01 02:00,54.0,61.30,,,,, 2025-07-01 03:00,54.0,61.30,,,,, 2025-07-01 04:00,54.0,61.30,,,,, 2025-07-01 05:00,53.0,61.30,,,,, 2025-07-01 06:00,54.0,61.30,,,,, 2025-07-01 07:00,54.0,61.30,,,,, 2025-07-01 08:00,55.0,61.30,,,,, 2025-07-01 09:00,56.0,61.20,,,,, 2025-07-01 10:00,57.0,61.20,,,,, 2025-07-01 11:00,57.0,61.10,,,,, 2025-07-01 12:00,59.0,61.10,,,,, 2025-07-01 13:00,59.0,61.00,,,,, 2025-07-01 14:00,58.0,60.90,,,,, 2025-07-01 15:00,59.0,61.00,,,,, 2025-07-01 16:00,57.0,61.00,,,,, 2025-07-01 17:00,58.0,61.00,,,,, 2025-07-01 18:00,58.0,61.10,,,,, 2025-07-01 19:00,57.0,61.10,,,,, 2025-07-01 20:00,56.0,61.10,,,,, 2025-07-01 21:00,56.0,61.20,,,,, 2025-07-01 22:00,56.0,61.20,,,,, 2025-07-01 23:00,55.0,61.20,,,,, 2025-07-02 00:00,55.0,61.30,,,,, 2025-07-02 01:00,55.0,61.30,,,,, 2025-07-02 02:00,55.0,61.30,,,,, 2025-07-02 03:00,54.0,61.30,,,,, 2025-07-02 04:00,54.0,61.30,,,,, 2025-07-02 05:00,54.0,61.30,,,,, 2025-07-02 06:00,54.0,61.30,,,,, 2025-07-02 07:00,55.0,61.30,,,,, 2025-07-02 08:00,56.0,61.20,,,,, 2025-07-02 09:00,57.0,61.20,,,,, 2025-07-02 10:00,58.0,61.10,,,,, 2025-07-02 11:00,58.0,61.10,,,,, 2025-07-02 12:00,60.0,61.00,,,,, 2025-07-02 13:00,59.0,61.00,,,,, 2025-07-02 14:00,59.0,61.00,,,,, 2025-07-02 15:00,59.0,61.00,,,,, 2025-07-02 16:00,59.0,61.00,,,,, 2025-07-02 17:00,59.0,61.00,,,,, 2025-07-02 18:00,59.0,61.00,,,,, 2025-07-02 19:00,57.0,61.00,,,,, 2025-07-02 20:00,58.0,61.10,,,,, 2025-07-02 21:00,57.0,61.10,,,,, 2025-07-02 22:00,56.0,61.10,,,,, 2025-07-02 23:00,56.0,61.20,,,,, 2025-07-03 00:00,56.0,61.20,,,,, 2025-07-03 01:00,55.0,61.20,,,,, 2025-07-03 02:00,55.0,61.20,,,,, 2025-07-03 03:00,55.0,61.20,,,,, 2025-07-03 04:00,54.0,61.20,,,,, 2025-07-03 05:00,55.0,61.30,,,,, 2025-07-03 06:00,56.0,61.30,,,,, 2025-07-03 07:00,56.0,61.20,,,,, 2025-07-03 08:00,57.0,61.20,,,,, 2025-07-03 09:00,54.0,61.10,,,,, 2025-07-03 10:00,57.0,61.10,,,,, 2025-07-03 11:00,59.0,61.10,,,,, 2025-07-03 12:00,57.0,61.00,,,,, 2025-07-03 13:00,57.0,60.90,,,,, 2025-07-03 14:00,59.0,60.90,,,,, 2025-07-03 15:00,59.0,61.00,,,,, 2025-07-03 16:00,59.0,61.00,,,,, 2025-07-03 17:00,58.0,61.00,,,,, 2025-07-03 18:00,58.0,61.10,,,,, 2025-07-03 19:00,58.0,61.10,,,,,