What was the temperature at Arrowrock Dam on 1978-12-29?

On 1978-12-29, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 21°F and the daily low was -1°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 29, 1978

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

On 1978-12-29 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 21°F and the daily low was -1°F, a diurnal range of 22°F. Season: Winter. Day 363 of 1978.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 3e7c803813a30f5a · Hash: 4a45ddd9d6b40f75

21°F

Daily High (TMAX)

-1°F

Daily Low (TMIN)

22°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1978-12-29 · Winter · Day 363 of 1978

High (TMAX)

21°F

Low (TMIN)

-1°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

3e7c803813a30f5a

Content Hash

4a45ddd9d6b40f75

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1978-12-29 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1978-12-28 · Hi:33°F Lo:19°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1978-12-30 · Hi:10°F Lo:-1°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1978

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — December 29, 1978