What was the temperature at Arrowrock Dam on 1978-01-01?

On 1978-01-01, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 30°F and the daily low was 4°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — January 01, 1978

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

On 1978-01-01 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 30°F and the daily low was 4°F, a diurnal range of 26°F. Season: Winter. Day 1 of 1978.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 89b0dc2ec2f37b92 · Hash: 0902d5675eb5e168

30°F

Daily High (TMAX)

4°F

Daily Low (TMIN)

26°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1978-01-01 · Winter · Day 1 of 1978

High (TMAX)

30°F

Low (TMIN)

4°F

Range

26°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

89b0dc2ec2f37b92

Content Hash

0902d5675eb5e168

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1978-01-01 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1977-12-31 · Hi:34°F Lo:30°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1978-01-02 · Hi:24°F Lo:4°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1978

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — January 01, 1978