What was the temperature at Arrowrock Dam on 1990-12-30?

On 1990-12-30, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 9°F and the daily low was -12°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 30, 1990

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

On 1990-12-30 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 9°F and the daily low was -12°F, a diurnal range of 21°F. Season: Winter. Day 364 of 1990.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 6444124f10962eb9 · Hash: 3f2c77718641d4ef

9°F

Daily High (TMAX)

-12°F

Daily Low (TMIN)

21°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1990-12-30 · Winter · Day 364 of 1990

High (TMAX)

9°F

Low (TMIN)

-12°F

Range

21°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

6444124f10962eb9

Content Hash

3f2c77718641d4ef

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1990-12-30 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-12-29 · Hi:6°F Lo:6°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-12-31 · Hi:24°F Lo:-10°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1990

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — December 30, 1990