What was the temperature at Deadwood Dam on 1955-09-21?

On 1955-09-21, the daily high at Deadwood Dam (Deadwood River Basin, 5,384 ft, Boise County, Idaho) was 55°F and the daily low was 27°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Deadwood Dam Weather — September 21, 1955

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

On 1955-09-21 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 27°F, a diurnal range of 28°F. Season: Fall. Day 264 of 1955. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 2150626193474dda · Hash: c0ff828af5c361ca

55°F

Daily High (TMAX)

27°F

Daily Low (TMIN)

28°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Deadwood Dam

GHCND ID

USC00102385

Date

1955-09-21 · Fall · Day 264 of 1955

High (TMAX)

55°F

Low (TMIN)

27°F

Range

28°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

2150626193474dda

Content Hash

c0ff828af5c361ca

Ingested

2026-07-25T14:45:13 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1955-09-21 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m

conf=0.95 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1955-09-20 · Hi:62°F Lo:34°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1955-09-22 · Hi:59°F Lo:22°F

conf=1.00 · tier-2 · deterministic

Deadwood Dam — September 21, 1955HARD FREEZE