#------------------------------------------------- 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 2025-05-11 # # Data for the following site(s) are contained in this file: # # SNOTEL 700: Porcupine, MT # # 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 Minimum Value None Day N/A Degrees fahrenheit N/A TMIN Minimum air temperature - sub-hourly sampling frequency # # 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 # #------------------------------------------------------------------------------------------------------ # # Porcupine (700) # Montana SNOTEL Site - 6480 ft # Reporting Frequency: Daily; Date Range: 2024-10-01 to 2025-05-11 # # As of: May 11, 2025, 8:09:50 AM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May ,Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF),Air Temperature Minimum (degF) 01,40.3,25.3,28.8,13.5,27.3,35.4,26.4,32.7 02,37.9,31.8,33.3,19.6,10.6,34.3,26.2,35.1 03,34.3,28.0,33.4,7.5,-9.9,25.9,21.4,43.0 04,38.5,27.9,33.8,7.9,-10.8,22.8,18.1,37.9 05,36.1,23.2,34.2,23.5,-10.3,24.8,18.1,30.9 06,43.7,21.4,32.5,20.5,13.5,17.1,29.1,28.6 07,47.3,24.6,36.3,19.9,2.5,14.9,36.0,32.7 08,48.2,32.0,23.2,21.2,12.4,25.9,33.1,44.6 09,50.2,36.1,21.9,20.3,9.9,31.3,33.1,42.6 10,44.8,37.2,21.6,21.7,-13.0,34.7,33.6, 11,39.6,37.9,25.3,23.0,-9.6,34.7,40.6, 12,41.7,28.6,25.5,20.8,-10.8,34.9,28.0, 13,37.8,27.1,28.2,16.9,1.8,27.1,24.4, 14,48.7,31.1,32.7,17.1,11.7,21.9,24.4, 15,48.6,28.9,19.2,27.3,15.8,21.6,37.9, 16,42.6,23.4,18.0,31.3,0.1,25.9,25.7, 17,31.5,28.9,25.5,4.8,-4.2,26.6,19.9, 18,28.8,21.0,28.6,-1.5,-5.1,21.4,16.5, 19,29.7,15.6,25.5,-13.9,-2.0,15.8,26.1, 20,43.9,16.9,32.9,-13.7,26.1,23.4,32.5, 21,38.7,36.9,38.5,12.6,21.9,24.3,26.6, 22,33.4,33.1,30.0,13.8,30.7,22.1,23.9, 23,32.9,25.2,30.6,10.8,37.8,21.0,25.9, 24,31.1,23.9,29.8,10.2,34.7,38.8,29.8, 25,32.0,25.3,27.5,3.7,28.6,38.8,28.4, 26,40.3,27.0,29.7,6.6,28.9,37.6,32.5, 27,35.8,25.2,25.9,21.6,30.2,41.4,35.2, 28,31.6,24.1,30.6,26.1,34.3,33.8,34.5, 29,27.5,23.9,27.1,29.1,,29.1,34.9, 30,23.9,27.1,23.4,27.1,,24.4,33.6, 31,29.1,,16.2,31.5,,22.6,,