What was the temperature at Arrowrock Dam on 1981-12-31?

On 1981-12-31, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 31°F and the daily low was 9°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 31, 1981

◈ Atomic Answer · NOAA GHCND · Tier 1 Primary Source · idahocity-weather-v2.0.0

On 1981-12-31 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 31°F and the daily low was 9°F, a diurnal range of 22°F. Season: Winter. Day 365 of 1981.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: ced5e68ccb7aefcd · Hash: eb666ac50e190281

31°F

Daily High (TMAX)

9°F

Daily Low (TMIN)

22°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1981-12-31 · Winter · Day 365 of 1981

High (TMAX)

31°F

Low (TMIN)

9°F

Range

22°F

Zone

Boise River Basin

Elevation

3,241 ft · 988 m

Coordinates

43.6°N, 115.9167°W

Geography

boise_county

Source Tier

Tier 1 — Primary Federal Source — NOAA GHCND

Confidence

0.95

Record ID

ced5e68ccb7aefcd

Content Hash

eb666ac50e190281

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1981-12-31 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1981-12-30 · Hi:28°F Lo:22°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1982-01-01 · Hi:29°F Lo:12°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1981

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — December 31, 1981