What was the temperature at Arrowrock Dam on 1989-02-09?

On 1989-02-09, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 12°F and the daily low was -11°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — February 09, 1989

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

On 1989-02-09 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 12°F and the daily low was -11°F, a diurnal range of 23°F. Season: Winter. Day 40 of 1989.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 5cde2eb6151b7f91 · Hash: 5dec5d5c18d10fbd

12°F

Daily High (TMAX)

-11°F

Daily Low (TMIN)

23°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1989-02-09 · Winter · Day 40 of 1989

High (TMAX)

12°F

Low (TMIN)

-11°F

Range

23°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

5cde2eb6151b7f91

Content Hash

5dec5d5c18d10fbd

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1989-02-09 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-02-08 · Hi:6°F Lo:-14°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-02-10 · Hi:20°F Lo:-8°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1989

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — February 09, 1989