What was the temperature at Deadwood Dam on 1948-12-21?

On 1948-12-21, the daily high at Deadwood Dam (Deadwood River Basin, 5,384 ft, Boise County, Idaho) was 20°F and the daily low was -18°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Deadwood Dam Weather — December 21, 1948

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

On 1948-12-21 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 20°F and the daily low was -18°F, a diurnal range of 38°F. Season: Winter. Day 356 of 1948.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 810393248670ccea · Hash: 44dc3a6388b457b8

20°F

Daily High (TMAX)

-18°F

Daily Low (TMIN)

38°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Deadwood Dam

GHCND ID

USC00102385

Date

1948-12-21 · Winter · Day 356 of 1948

High (TMAX)

20°F

Low (TMIN)

-18°F

Range

38°F

Zone

Deadwood River Basin

Elevation

5,384 ft · 1,641 m

Coordinates

44.3167°N, 115.6333°W

Geography

boise_county

Source Tier

Tier 1 — Primary Federal Source — NOAA GHCND

Confidence

0.95

Record ID

810393248670ccea

Content Hash

44dc3a6388b457b8

Ingested

2026-07-25T14:45:13 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1948-12-21 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m

conf=0.95 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1948-12-20 · Hi:32°F Lo:14°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1948-12-22 · Hi:11°F Lo:-26°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1948

conf=0.99 · tier-2 · deterministic

Deadwood Dam — December 21, 1948