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Alaska SNOTEL Site Moraine (1035) - TEMP Sensors

2025-June-17 NRCS National Water and Climate Center

Daily sensors report a summary value for the previous day.

Hourly sensors report a summary value for the previous hour.

Instantaneous sensors report a single observation on the hour.

Instantaneous sensors are included with both Daily and Hourly sensor selections.

Instantaneous sensors for a Daily sensor selections are the midnight observation.

*The use of a particular manufacturer's instrument does not consitute an endorsement of that instrument or manufacturer.

Header Code Element Func Unit Instrument Start End Comment
TOBS.I-1 Air Temperature OBS Degf Air Temp - Apogee St300 2023-06-07 present ST-300 added 6-1-23 16:00
TOBS.I-1 Air Temperature OBS Degf Undefined Sensor - Linear Equation 2023-06-05 2023-06-07 whack, reading too high
TOBS.I-1 Air Temperature OBS Degf Undefined Sensor - Linear Equation 2022-04-22 2023-06-05 whack, reading too high
TOBS.I-1 Air Temperature OBS Degf Undefined Sensor - Linear Equation 2019-10-14 2022-04-22 change to engineering units
TOBS.I-1 Air Temperature OBS Degc Undefined Sensor - Linear Equation 2003-10-01 2019-10-14 change to engineering units
TOBS.I-1 Air Temperature OBS Degc Airtemp/rh - Vaisala Hmp45c 2002-11-15 2003-10-01 new site
TOBS.I-1 Air Temperature OBS Degc Undefined Sensor - Linear Equation 2001-10-01 2002-11-15 Recovered from cdbs
TOBS.I-2 Air Temperature OBS Degf Air Temp/rh - Vaisala Hmp155 2024-07-24 present new program - HMP155 air temp
TOBS.I-99 Air Temperature OBS Degc Air Temp - Ysi 44211a 2003-10-01 2019-10-14 change to engineering units
TMAX.D-1 Air Temperature MAX Degf Air Temp - Apogee St300 2023-06-07 present ST-300 added 6-1-23 16:00
TMAX.D-1 Air Temperature MAX Degf Undefined Sensor - Linear Equation 2019-10-14 2023-06-07 change to engineering units
TMAX.D-1 Air Temperature MAX Degc Undefined Sensor - Linear Equation 2003-10-01 2019-10-14 change to engineering units
TMAX.D-1 Air Temperature MAX Degc Airtemp/rh - Vaisala Hmp45c 2002-08-01 2003-10-01 new site
TMAX.D-2 Air Temperature MAX Degf Air Temp/rh - Vaisala Hmp155 2024-07-24 present HMP155 TMAX
TMAX.D-99 Air Temperature MAX Degc Air Temp - Ysi 44211a 2003-10-01 2019-10-14 change to engineering units
TMIN.D-1 Air Temperature MIN Degf Air Temp - Apogee St300 2023-06-07 present ST-300 added 6-1-23 16:00
TMIN.D-1 Air Temperature MIN Degf Undefined Sensor - Linear Equation 2019-10-14 2023-06-07 change to engineering units
TMIN.D-1 Air Temperature MIN Degc Undefined Sensor - Linear Equation 2003-10-01 2019-10-14 change to engineering units
TMIN.D-1 Air Temperature MIN Degc Airtemp/rh - Vaisala Hmp45c 2002-08-01 2003-10-01 new site
TMIN.D-2 Air Temperature MIN Degf Air Temp/rh - Vaisala Hmp155 2024-07-24 present HMP155 TMIN
TMIN.D-99 Air Temperature MIN Degc Air Temp - Ysi 44211a 2003-10-01 2019-10-14 change to engineering units
TAVG.D-1 Air Temperature AVG Degf Air Temp - Apogee St300 2023-06-07 present ST-300 added 6-1-23 16:00
TAVG.D-1 Air Temperature AVG Degf Undefined Sensor - Linear Equation 2019-10-14 2023-06-07 change to engineering units
TAVG.D-1 Air Temperature AVG Degc Undefined Sensor - Linear Equation 2003-10-01 2019-10-14 change to engineering units
TAVG.D-1 Air Temperature AVG Degc Airtemp/rh - Vaisala Hmp45c 2002-11-15 2003-10-01 new site
TAVG.D-1 Air Temperature AVG Degc Undefined Sensor - Linear Equation 2001-10-01 2002-11-15 recovered from CDBS
TAVG.D-2 Air Temperature AVG Degf Air Temp/rh - Vaisala Hmp155 2024-07-24 present HMP155 TAVG
TAVG.D-99 Air Temperature AVG Degc Air Temp - Ysi 44211a 2003-10-01 2019-10-14 change to engineering units