#------------------------------------------------- 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: FPACITServiceDesk@usda.gov # #------------------------------------------------------------------------------------------------------ # # Reporting Frequency: Hourly # Date Range: 2026-08-04 17:00 to 2026-08-11 16:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 804: Surprise Lakes, WA # # 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 # # 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 # #------------------------------------------------------------------------------------------------------ # # Surprise Lakes (804) # Washington SNOTEL Site - 4280 ft # Reporting Frequency: Hourly; Date Range: 2026-08-04 17:00 to 2026-08-11 16:00 # # As of: Aug 11, 2026, 4:13:26 PM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF) 2026-08-04 17:00,,,98.1,70.9 2026-08-04 18:00,,,98.1,68.7 2026-08-04 19:00,,,98.3,63.7 2026-08-04 20:00,,,98.5,61.5 2026-08-04 21:00,,,98.6,60.1 2026-08-04 22:00,,0,98.8,59.2 2026-08-04 23:00,,0,98.9,57.9 2026-08-05 00:00,0.0,0,99.1,57.4 2026-08-05 01:00,,0,99.0,58.5 2026-08-05 02:00,,0,99.0,57.2 2026-08-05 03:00,,0,99.1,58.3 2026-08-05 04:00,,,99.1,57.9 2026-08-05 05:00,,,99.2,57.6 2026-08-05 06:00,,0,99.2,58.1 2026-08-05 07:00,,0,99.2,62.8 2026-08-05 08:00,,,99.1,65.7 2026-08-05 09:00,,0,98.8,68.0 2026-08-05 10:00,,,98.5,70.3 2026-08-05 11:00,,,98.2,72.0 2026-08-05 12:00,,0,98.0,73.4 2026-08-05 13:00,,,97.9,75.9 2026-08-05 14:00,,,97.8,77.2 2026-08-05 15:00,,,97.7,78.6 2026-08-05 16:00,,,97.7,76.1 2026-08-05 17:00,,,97.8,75.2 2026-08-05 18:00,,,97.9,68.9 2026-08-05 19:00,,,98.1,65.3 2026-08-05 20:00,,0,98.3,62.2 2026-08-05 21:00,,0,98.5,60.4 2026-08-05 22:00,,0,98.6,59.4 2026-08-05 23:00,,0,98.7,57.4 2026-08-06 00:00,0.0,0,99.1,57.7 2026-08-06 01:00,,0,98.9,57.4 2026-08-06 02:00,,0,98.9,57.7 2026-08-06 03:00,,0,99.0,57.2 2026-08-06 04:00,,0,99.0,57.9 2026-08-06 05:00,,0,99.0,57.9 2026-08-06 06:00,,0,99.1,57.9 2026-08-06 07:00,,0,99.1,62.2 2026-08-06 08:00,,,99.0,65.7 2026-08-06 09:00,,,98.9,70.9 2026-08-06 10:00,,,98.5,75.6 2026-08-06 11:00,,,98.1,78.1 2026-08-06 12:00,,,97.8,81.7 2026-08-06 13:00,,,97.7,81.9 2026-08-06 14:00,,,97.6,81.0 2026-08-06 15:00,,,97.6,79.0 2026-08-06 16:00,,,97.6,78.1 2026-08-06 17:00,,,97.7,77.2 2026-08-06 18:00,,,97.9,71.2 2026-08-06 19:00,,0,98.0,67.6 2026-08-06 20:00,,0,98.2,63.7 2026-08-06 21:00,,0,98.4,61.3 2026-08-06 22:00,,0,98.5,61.5 2026-08-06 23:00,,0,98.6,60.3 2026-08-07 00:00,0.0,0,99.1,59.9 2026-08-07 01:00,,0,98.8,58.6 2026-08-07 02:00,,0,98.9,57.9 2026-08-07 03:00,,0,98.9,57.7 2026-08-07 04:00,,0,99.0,56.1 2026-08-07 05:00,,0,99.0,56.3 2026-08-07 06:00,,0,99.0,56.3 2026-08-07 07:00,,0,99.0,59.5 2026-08-07 08:00,,,99.0,63.0 2026-08-07 09:00,,0,98.9,68.4 2026-08-07 10:00,,,98.6,73.9 2026-08-07 11:00,,,98.2,75.4 2026-08-07 12:00,,,97.9,77.4 2026-08-07 13:00,,,97.8,77.0 2026-08-07 14:00,,,97.7,76.5 2026-08-07 15:00,,,97.7,74.7 2026-08-07 16:00,,,97.7,73.4 2026-08-07 17:00,,,97.9,73.6 2026-08-07 18:00,,0,98.0,67.5 2026-08-07 19:00,,0,98.2,64.2 2026-08-07 20:00,,0,98.3,60.6 2026-08-07 21:00,,0,98.5,58.5 2026-08-07 22:00,,0,98.6,57.6 2026-08-07 23:00,,0,98.7,57.6 2026-08-08 00:00,0.0,0,99.1,56.5 2026-08-08 01:00,,0,98.9,56.3 2026-08-08 02:00,,0,98.9,54.7 2026-08-08 03:00,,0,99.0,55.0 2026-08-08 04:00,,0,99.0,54.3 2026-08-08 05:00,,0,99.1,53.4 2026-08-08 06:00,,0,99.1,53.4 2026-08-08 07:00,,0,99.1,57.2 2026-08-08 08:00,,,99.1,62.6 2026-08-08 09:00,,,98.9,66.4 2026-08-08 10:00,,,98.6,69.6 2026-08-08 11:00,,,98.2,70.7 2026-08-08 12:00,,,98.0,74.1 2026-08-08 13:00,,,97.9,75.7 2026-08-08 14:00,,,97.9,73.4 2026-08-08 15:00,,,97.8,71.8 2026-08-08 16:00,,,97.9,70.3 2026-08-08 17:00,,,98.0,70.0 2026-08-08 18:00,,,98.2,65.3 2026-08-08 19:00,,0,98.3,61.7 2026-08-08 20:00,,,98.5,58.5 2026-08-08 21:00,,0,98.6,55.8 2026-08-08 22:00,,0,98.7,54.5 2026-08-08 23:00,,0,98.9,52.3 2026-08-09 00:00,0.0,0,99.1,52.7 2026-08-09 01:00,,0,99.0,51.4 2026-08-09 02:00,,0,99.0,50.5 2026-08-09 03:00,,0,99.1,49.8 2026-08-09 04:00,,0,99.2,49.1 2026-08-09 05:00,,0,99.2,49.3 2026-08-09 06:00,,0,99.2,49.8 2026-08-09 07:00,,0,99.2,52.9 2026-08-09 08:00,,,99.2,57.2 2026-08-09 09:00,,0,99.1,62.1 2026-08-09 10:00,,,98.8,66.6 2026-08-09 11:00,,,98.4,68.7 2026-08-09 12:00,,,98.1,70.5 2026-08-09 13:00,,,98.0,71.8 2026-08-09 14:00,,,98.0,70.2 2026-08-09 15:00,,,98.0,68.4 2026-08-09 16:00,,,98.0,66.2 2026-08-09 17:00,,,98.2,66.2 2026-08-09 18:00,,0,98.3,61.3 2026-08-09 19:00,,0,98.4,58.3 2026-08-09 20:00,,,98.6,55.2 2026-08-09 21:00,,0,98.7,53.1 2026-08-09 22:00,,0,98.9,52.9 2026-08-09 23:00,,0,98.9,51.6 2026-08-10 00:00,0.0,0,99.1,50.7 2026-08-10 01:00,,0,99.1,49.8 2026-08-10 02:00,,0,99.1,49.1 2026-08-10 03:00,,0,99.2,48.4 2026-08-10 04:00,,0,99.2,48.2 2026-08-10 05:00,,0,99.2,47.1 2026-08-10 06:00,,0,99.3,47.5 2026-08-10 07:00,,0,99.3,50.0 2026-08-10 08:00,,,99.3,54.3 2026-08-10 09:00,,0,99.2,59.4 2026-08-10 10:00,,,98.9,65.1 2026-08-10 11:00,,,98.5,67.3 2026-08-10 12:00,,0,98.2,70.2 2026-08-10 13:00,,,98.1,70.5 2026-08-10 14:00,,,98.1,69.6 2026-08-10 15:00,,0,98.1,68.2 2026-08-10 16:00,,,98.1,66.9 2026-08-10 17:00,,,98.2,66.7 2026-08-10 18:00,,0,98.3,61.5 2026-08-10 19:00,,0,98.5,57.9 2026-08-10 20:00,,0,98.6,54.7 2026-08-10 21:00,,0,98.8,52.5 2026-08-10 22:00,,0,98.9,50.7 2026-08-10 23:00,,0,99.0,50.9 2026-08-11 00:00,0.0,0,99.1,50.2 2026-08-11 01:00,,0,99.1,50.0 2026-08-11 02:00,,0,99.2,50.0 2026-08-11 03:00,,0,99.2,49.6 2026-08-11 04:00,,0,99.2,48.7 2026-08-11 05:00,,0,99.2,48.2 2026-08-11 06:00,,0,99.3,48.6 2026-08-11 07:00,,0,99.3,51.4 2026-08-11 08:00,,,99.3,55.8 2026-08-11 09:00,,,99.2,60.3 2026-08-11 10:00,,,98.9,63.7 2026-08-11 11:00,,,98.5,65.7 2026-08-11 12:00,,,98.2,68.4 2026-08-11 13:00,,,98.1,69.8 2026-08-11 14:00,,0,98.1,68.2 2026-08-11 15:00,,,98.1,67.1