What was the temperature at Arrowrock Dam on 1976-10-18?

On 1976-10-18, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 57°F and the daily low was 28°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — October 18, 1976

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

On 1976-10-18 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 57°F and the daily low was 28°F, a diurnal range of 29°F. Season: Fall. Day 292 of 1976. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: d4acdb1a9960b36c · Hash: 99cf97bd78144d69

57°F

Daily High (TMAX)

28°F

Daily Low (TMIN)

29°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1976-10-18 · Fall · Day 292 of 1976

High (TMAX)

57°F

Low (TMIN)

28°F

Range

29°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

d4acdb1a9960b36c

Content Hash

99cf97bd78144d69

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1976-10-18 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1976-10-17 · Hi:69°F Lo:34°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1976-10-19 · Hi:52°F Lo:25°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — October 18, 1976HARD FREEZE