#------------------------------------------------- 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: 2025-05-17 09:00 to 2025-05-20 08:00 # # 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: 2025-05-17 09:00 to 2025-05-20 08:00 # # As of: May 20, 2025, 8:09:18 AM 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) 2025-05-17 09:00,51.0,57.30,,,,, 2025-05-17 10:00,50.0,57.20,,,,, 2025-05-17 11:00,51.0,57.20,,,,, 2025-05-17 12:00,50.0,57.20,,,,, 2025-05-17 13:00,51.0,57.20,,,,, 2025-05-17 14:00,51.0,57.20,,,,, 2025-05-17 15:00,50.0,57.20,,,,, 2025-05-17 16:00,50.0,57.20,,,,, 2025-05-17 17:00,50.0,57.20,,,,, 2025-05-17 18:00,50.0,57.20,,,,, 2025-05-17 19:00,49.0,57.30,,,,, 2025-05-17 20:00,48.0,57.30,,,,, 2025-05-17 21:00,48.0,57.30,,,,, 2025-05-17 22:00,48.0,57.40,,,,, 2025-05-17 23:00,48.0,57.40,,,,, 2025-05-18 00:00,47.0,57.50,,,,, 2025-05-18 01:00,47.0,57.40,,,,, 2025-05-18 02:00,47.0,57.40,,,,, 2025-05-18 03:00,47.0,57.40,,,,, 2025-05-18 04:00,47.0,57.40,,,,, 2025-05-18 05:00,47.0,57.40,,,,, 2025-05-18 06:00,47.0,57.50,,,,, 2025-05-18 07:00,47.0,57.50,,,,, 2025-05-18 08:00,47.0,57.50,,,,, 2025-05-18 09:00,47.0,57.50,,,,, 2025-05-18 10:00,47.0,57.50,,,,, 2025-05-18 11:00,48.0,57.50,,,,, 2025-05-18 12:00,48.0,57.50,,,,, 2025-05-18 13:00,48.0,57.40,,,,, 2025-05-18 14:00,50.0,57.40,,,,, 2025-05-18 15:00,49.0,57.30,,,,, 2025-05-18 16:00,50.0,57.40,,,,, 2025-05-18 17:00,50.0,57.40,,,,, 2025-05-18 18:00,50.0,57.40,,,,, 2025-05-18 19:00,49.0,57.40,,,,, 2025-05-18 20:00,48.0,57.40,,,,, 2025-05-18 21:00,47.0,57.40,,,,, 2025-05-18 22:00,47.0,57.50,,,,, 2025-05-18 23:00,46.0,57.50,,,,, 2025-05-19 00:00,47.0,57.60,,,,, 2025-05-19 01:00,47.0,57.60,,,,, 2025-05-19 02:00,47.0,57.60,,,,, 2025-05-19 03:00,46.0,57.60,,,,, 2025-05-19 04:00,44.0,57.60,,,,, 2025-05-19 05:00,45.0,57.60,,,,, 2025-05-19 06:00,46.0,57.60,,,,, 2025-05-19 07:00,47.0,57.60,,,,, 2025-05-19 08:00,47.0,57.50,,,,, 2025-05-19 09:00,48.0,57.50,,,,, 2025-05-19 10:00,50.0,57.50,,,,, 2025-05-19 11:00,52.0,57.40,,,,, 2025-05-19 12:00,53.0,57.30,,,,, 2025-05-19 13:00,54.0,57.10,,,,, 2025-05-19 14:00,53.0,57.10,,,,, 2025-05-19 15:00,53.0,57.20,,,,, 2025-05-19 16:00,53.0,57.30,,,,, 2025-05-19 17:00,52.0,57.30,,,,, 2025-05-19 18:00,51.0,57.40,,,,, 2025-05-19 19:00,51.0,57.40,,,,, 2025-05-19 20:00,51.0,57.40,,,,, 2025-05-19 21:00,50.0,57.40,,,,, 2025-05-19 22:00,49.0,57.50,,,,, 2025-05-19 23:00,49.0,57.50,,,,, 2025-05-20 00:00,49.0,57.50,,,,, 2025-05-20 01:00,48.0,57.50,,,,, 2025-05-20 02:00,48.0,57.50,,,,, 2025-05-20 03:00,47.0,57.50,,,,, 2025-05-20 04:00,47.0,57.60,,,,, 2025-05-20 05:00,49.0,57.60,,,,, 2025-05-20 06:00,50.0,57.50,,,,, 2025-05-20 07:00,51.0,57.40,,,,,