What was the temperature at Deadwood Dam on 1970-10-21?

On 1970-10-21, the daily high at Deadwood Dam (Deadwood River Basin, 5,384 ft, Boise County, Idaho) was 40°F and the daily low was 27°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Deadwood Dam Weather — October 21, 1970

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

On 1970-10-21 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 40°F and the daily low was 27°F, a diurnal range of 13°F. Season: Fall. Day 294 of 1970. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: e60c1e4a7ca7b651 · Hash: 3fdf2d11baac8a60

40°F

Daily High (TMAX)

27°F

Daily Low (TMIN)

13°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Deadwood Dam

GHCND ID

USC00102385

Date

1970-10-21 · Fall · Day 294 of 1970

High (TMAX)

40°F

Low (TMIN)

27°F

Range

13°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

e60c1e4a7ca7b651

Content Hash

3fdf2d11baac8a60

Ingested

2026-07-25T14:45:13 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1970-10-21 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m

conf=0.95 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1970-10-20 · Hi:51°F Lo:28°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Deadwood Dam · 1970-10-22 · Hi:40°F Lo:27°F

conf=1.00 · tier-2 · deterministic

Deadwood Dam — October 21, 1970HARD FREEZE