Alaska SNOTEL Site Independence Mine (1091) - Sensors
2025-August-22 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 |
|---|---|---|---|---|---|---|---|
| WTEQ.I-1 | Snow Water Equivalent | OBS | In | Undefined Sensor - Linear Equation | 2024-06-25 | present | zero pillow, new program, no offset in logger |
| WTEQ.I-1 | Snow Water Equivalent | OBS | In | Undefined Sensor - Linear Equation | 2022-09-22 | 2024-06-25 | zero pillow |
| WTEQ.I-1 | Snow Water Equivalent | OBS | In | Undefined Sensor - Linear Equation | 2022-09-01 | 2022-09-22 | zero pillow |
| WTEQ.I-1 | Snow Water Equivalent | OBS | In | Undefined Sensor - Linear Equation | 2022-03-30 | 2022-09-01 | zero pillow |
| WTEQ.I-1 | Snow Water Equivalent | OBS | In | Undefined Sensor - Linear Equation | 2021-09-13 | 2022-03-30 | zero pillow |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2024-10-01 | present | new-water-year offset, 2024-10-01 01:41 |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2024-06-25 | 2024-10-01 | adj offset, new program, no offset in logger |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2023-10-01 | 2024-06-25 | new-water-year offset, 2023-10-01 01:43 |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2023-09-19 | 2023-10-01 | recharge |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2022-10-01 | 2023-09-19 | new-water-year offset, 2022-10-01 01:41 |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2022-08-19 | 2022-10-01 | recharge |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2021-10-01 | 2022-08-19 | new-water-year offset, 2021-10-01 01:41 |
| PREC.I-1 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor | 2021-09-03 | 2021-10-01 | new site location, recharge and offset for missed ppc during outage based on manometer |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2025-05-16 | present | Match TB to accumulation gauge |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2024-10-01 | 2025-05-16 | new-water-year offset, 2024-10-01 01:41 |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2024-05-07 | 2024-10-01 | Match tb to accumulation gauge |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2024-04-01 | 2024-05-07 | tb rollover |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2023-10-01 | 2024-04-01 | new-water-year offset, 2023-10-01 01:43 |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2023-05-17 | 2023-10-01 | Offset to match PREC.1 |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2022-10-01 | 2023-05-17 | new-water-year offset, 2022-10-01 01:41 |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2022-09-02 | 2022-10-01 | tb not installed (place holder) |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2022-07-29 | 2022-09-02 | tb not installed (place holder) |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2022-05-20 | 2022-07-29 | matching tb to accumulation gauge |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2021-10-01 | 2022-05-20 | new-water-year offset, 2021-10-01 01:41 |
| PREC.I-2 | Precipitation Accumulation | OBS | In | Precipitation - Unknown Sensor To Hundredths | 2021-09-03 | 2021-10-01 | offset for new location and missed ppc based on manometer reading of ppc1 |
| TOBS.I-1 | Air Temperature | OBS | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-28 | present | un-fs- sensor replaced |
| TOBS.I-1 | Air Temperature | OBS | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-22 | 2023-12-28 | sensor goes bad |
| TOBS.I-1 | Air Temperature | OBS | Degf | Undefined Sensor - Linear Equation | 2019-11-19 | 2023-12-22 | Current Air Temp |
| TMAX.D-1 | Air Temperature | MAX | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-28 | present | un-fs- sensor fixed |
| TMAX.D-1 | Air Temperature | MAX | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-26 | 2023-12-28 | fs- sensor went bad |
| TMAX.D-1 | Air Temperature | MAX | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-22 | 2023-12-26 | Daily Max Temp |
| TMAX.D-1 | Air Temperature | MAX | Degf | Undefined Sensor - Linear Equation | 2019-10-14 | 2023-12-22 | Daily Max Temp |
| TMIN.D-1 | Air Temperature | MIN | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-28 | present | un-fs- sensor fixed |
| TMIN.D-1 | Air Temperature | MIN | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-26 | 2023-12-28 | fs- sensor went bad |
| TMIN.D-1 | Air Temperature | MIN | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-22 | 2023-12-26 | Daily Min Temp |
| TMIN.D-1 | Air Temperature | MIN | Degf | Undefined Sensor - Linear Equation | 2019-10-14 | 2023-12-22 | Daily Min Temp |
| TAVG.D-1 | Air Temperature | AVG | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-28 | present | un-fs- sensor fixed |
| TAVG.D-1 | Air Temperature | AVG | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-26 | 2023-12-28 | fs- sensor went bad |
| TAVG.D-1 | Air Temperature | AVG | Degf | Air Temp/rh - Vaisala Hmp155 | 2023-12-22 | 2023-12-26 | Daily Avg Temp |
| TAVG.D-1 | Air Temperature | AVG | Degf | Undefined Sensor - Linear Equation | 2019-10-14 | 2023-12-22 | Daily Avg Temp |
| SNWD.I-1 | Snow Depth | OBS | In | Undefined Sensor - Linear Equation | 2024-10-02 | present | zero snow depth |
| SNWD.I-1 | Snow Depth | OBS | In | Undefined Sensor - Linear Equation | 2024-06-25 | 2024-10-02 | new program, reports distance |
| SNWD.I-1 | Snow Depth | OBS | In | Undefined Sensor - Linear Equation | 2021-11-09 | 2024-06-25 | updated by prof_load |
| SNWD.I-1 | Snow Depth | OBS | In | Undefined Sensor - Linear Equation | 2021-11-09 | 2021-11-09 | updated by prof_load |
| SNWD.I-1 | Snow Depth | OBS | In | Undefined Sensor - Linear Equation | 2019-10-14 | 2021-11-09 | Snow Depth seems to be under reporting. |
| BATX.D-1 | Battery | MAX | Volt | Battery Voltage - Undefined | 2024-06-26 | present | Diag1 - Batt Max |
| BATT.I-1 | Battery | OBS | Volt | Undefined Sensor - Linear Equation | 2019-10-14 | present | Site Battery |
| WDIRV.D-1 | Wind Direction | AVG | Degree | Wind Speed/direction - Rm Young 5103 | 2024-06-26 | present | Daily Avg Wind Direction |
| WDIRV.H-1 | Wind Direction | AVG | Degree | Wind Speed/direction - Rm Young 5103 | 2019-10-14 | present | Hourly Avg Wind Direction |
| WSPDX.D-1 | Wind Speed | MAX | Mph | Wind Speed/direction - Rm Young 5103 | 2019-10-14 | present | Daily Max Wind Speed |
| WSPDX.H-1 | Wind Speed | MAX | Mph | Wind Speed/direction - Rm Young 5103 | 2019-10-14 | present | Hourly Max Wind Speed |
| WSPDV.D-1 | Wind Speed | AVG | Mph | Wind Speed/direction - Rm Young 5103 | 2019-10-14 | present | Daily Avg Wind Speed |
| WSPDV.H-1 | Wind Speed | AVG | Mph | Wind Speed/direction - Rm Young 5103 | 2019-10-14 | present | Hourly Avg Wind Speed |
| RHUM.I-1 | Relative Humidity | OBS | Pct | Air Temp/rh - Vaisala Hmp155 | 2023-12-28 | present | un-fs- sensor replaced |
| RHUM.I-1 | Relative Humidity | OBS | Pct | Air Temp/rh - Vaisala Hmp155 | 2023-12-22 | 2023-12-28 | sensor goes bad |
| RHUM.I-1 | Relative Humidity | OBS | Pct | Airtemp/rh - Vaisala Hmp45c | 2019-10-14 | 2023-12-22 | Relative Humidity |
| SRADV.D-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2023-12-28 | present | un-fs- issue fixed |
| SRADV.H-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2023-12-28 | present | un-fs- issue fixed |
| SRADV.D-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2023-12-05 | 2023-12-28 | Daily Average Solar Radiation (watt/m2) |
| SRADV.H-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2023-12-05 | 2023-12-28 | Hourly Avg Solar Radiation |
| SRADV.D-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2019-10-14 | 2023-12-05 | Daily Average Solar Radiation (watt/m2) |
| SRADV.H-1 | Solar Radiation - Total | AVG | Watt/m2 | Undefined Sensor - Linear Equation | 2019-10-14 | 2023-12-05 | Hourly Avg Solar Radiation |
| BATN.D-1 | Battery | MIN | Volt | Battery Voltage - Undefined | 2024-06-26 | present | Diag1 - Batt Min |
| DIAG.I-1 | Diagnostics | OBS | Volt | Undefined Sensor - Linear Equation | 2024-07-15 | present | Lithium Battery - change units |
| DIAG.I-1 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | Lithium Battery |
| DIAG.I-2 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-10-08 | present | Program ID - change units |
| DIAG.I-2 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-10-08 | Skipped Scans |
| DIAG.I-3 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | OS Version |
| DIAG.I-3 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | Program ID - change units |
| DIAG.I-3 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | Program ID |
| DIAG.I-4 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | SWE Multiplier |
| DIAG.I-4 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | OS Version- change units |
| DIAG.I-4 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | OS Version |
| DIAG.I-5 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | PREC Multiplier |
| DIAG.I-5 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | SWE Multiplier- change units |
| DIAG.I-5 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | SWE Multiplier |
| DIAG.I-6 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | Solrad Multiplier |
| DIAG.I-6 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | PREC Multiplier- change units |
| DIAG.I-6 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | PREC Multiplier |
| DIAG.I-7 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | Wind Multiplier |
| DIAG.I-7 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | Solrad Mult- change units |
| DIAG.I-7 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | Solrad Mult |
| DIAG.I-8 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-10-08 | present | Snow Depth Offset |
| DIAG.I-8 | Diagnostics | OBS | Unitless | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | Wind Multiplier- change units |
| DIAG.I-8 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | Wind Multiplier |
| DIAG.I-9 | Diagnostics | OBS | In | Undefined Sensor - Linear Equation | 2024-07-15 | 2024-10-08 | Snow Depth Offset- change units |
| DIAG.I-9 | Diagnostics | OBS | Unknown | Undefined Sensor - Linear Equation | 2024-06-26 | 2024-07-15 | Snow Depth Offset |