What was the temperature at Arrowrock Dam on 1987-12-09?

On 1987-12-09, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 39°F and the daily low was 27°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 09, 1987

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

On 1987-12-09 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 39°F and the daily low was 27°F, a diurnal range of 12°F. Season: Winter. Day 343 of 1987.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: ff0dd674c2e2ed89 · Hash: 676aa0264f0f89f5

39°F

Daily High (TMAX)

27°F

Daily Low (TMIN)

12°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1987-12-09 · Winter · Day 343 of 1987

High (TMAX)

39°F

Low (TMIN)

27°F

Range

12°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

ff0dd674c2e2ed89

Content Hash

676aa0264f0f89f5

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1987-12-09 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1987-12-08 · Hi:40°F Lo:29°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1987-12-10 · Hi:39°F Lo:29°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — December 09, 1987