What was the temperature at Deadwood Dam on 1959-05-20?

On 1959-05-20, the daily high at Deadwood Dam (Deadwood River Basin, 5,384 ft, Boise County, Idaho) was 55°F and the daily low was 26°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Deadwood Dam Weather — May 20, 1959

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

On 1959-05-20 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 55°F and the daily low was 26°F, a diurnal range of 29°F. Season: Spring. Day 140 of 1959. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 2a7f39076ced9e72 · Hash: e8c4ce234f25c4ab

55°F

Daily High (TMAX)

26°F

Daily Low (TMIN)

29°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Deadwood Dam

GHCND ID

USC00102385

Date

1959-05-20 · Spring · Day 140 of 1959

High (TMAX)

55°F

Low (TMIN)

26°F

Range

29°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

2a7f39076ced9e72

Content Hash

e8c4ce234f25c4ab

Ingested

2026-07-25T14:45:13 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1959-05-20 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m

conf=0.95 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1959-05-19 · Hi:47°F Lo:25°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1959-05-21 · Hi:57°F Lo:26°F

conf=1.00 · tier-2 · deterministic

Deadwood Dam — May 20, 1959HARD FREEZE