Montana SNOTEL Site Chicago Ridge (1312) - TEMP Sensors
2025-June-23 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 | Degc | Air Temp - Ysi 44211a | 2024-07-15 | present | Hourly Observed Temp |
| TOBS.I-1 | Air Temperature | OBS | Degc | Air Temp - Ysi 44211a | 2022-09-06 | 2024-07-15 | Hourly Observed Temp - Suspect until new sensor is installed |
| TOBS.I-1 | Air Temperature | OBS | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-06 | Hourly Observed Temp |
| TOBS.I-1 | Air Temperature | OBS | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TMAX.D-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2024-07-15 | present | Daily Max Temp |
| TMAX.D-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2022-09-06 | 2024-07-15 | Daily Max Temp - Suspect until new sensor is installed |
| TMAX.D-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-06 | Daily Max Temp |
| TMAX.H-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2022-09-02 | present | Hourly Max Temp |
| TMAX.D-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TMAX.H-1 | Air Temperature | MAX | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TMIN.D-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2024-07-15 | present | Daily Min Temp |
| TMIN.D-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2022-09-06 | 2024-07-15 | Daily Min Temp - Suspect until new sensor is installed |
| TMIN.D-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-06 | Daily Min Temp |
| TMIN.H-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2022-09-02 | present | Hourly Min Temp |
| TMIN.D-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TMIN.H-1 | Air Temperature | MIN | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TAVG.D-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2024-07-15 | present | Daily Avg Temp |
| TAVG.D-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2022-09-06 | 2024-07-15 | Daily Avg Temp - Suspect until new sensor is installed |
| TAVG.D-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-06 | Daily Avg Temp |
| TAVG.H-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2022-09-02 | present | Hourly Avg Temp |
| TAVG.D-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |
| TAVG.H-1 | Air Temperature | AVG | Degc | Air Temp - Ysi 44211a | 2022-09-02 | 2022-09-02 | new install |