What was the temperature at Arrowrock Dam on 1990-12-22?

On 1990-12-22, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was -4°F and the daily low was -18°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 22, 1990

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

On 1990-12-22 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was -4°F and the daily low was -18°F, a diurnal range of 14°F. Season: Winter. Day 356 of 1990.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 30068b7e5fc94358 · Hash: 681844b9917e6ce4

-4°F

Daily High (TMAX)

-18°F

Daily Low (TMIN)

14°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1990-12-22 · Winter · Day 356 of 1990

High (TMAX)

-4°F

Low (TMIN)

-18°F

Range

14°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

30068b7e5fc94358

Content Hash

681844b9917e6ce4

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1990-12-22 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-12-21 · Hi:1°F Lo:-8°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-12-23 · Hi:-2°F Lo:-18°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1990

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — December 22, 1990