What was the temperature at Arrowrock Dam on 1991-10-30?

On 1991-10-30, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 35°F and the daily low was 18°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — October 30, 1991

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

On 1991-10-30 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 35°F and the daily low was 18°F, a diurnal range of 17°F. Season: Fall. Day 303 of 1991. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 9e16a5cdda8d2679 · Hash: 6d0e68e340caf3c2

35°F

Daily High (TMAX)

18°F

Daily Low (TMIN)

17°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1991-10-30 · Fall · Day 303 of 1991

High (TMAX)

35°F

Low (TMIN)

18°F

Range

17°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

9e16a5cdda8d2679

Content Hash

6d0e68e340caf3c2

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1991-10-30 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1991-10-29 · Hi:38°F Lo:25°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1991-10-31 · Hi:39°F Lo:17°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — October 30, 1991HARD FREEZE