What was the temperature at Arrowrock Dam on 1999-12-15?

On 1999-12-15, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 33°F and the daily low was 23°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — December 15, 1999

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

On 1999-12-15 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 33°F and the daily low was 23°F, a diurnal range of 10°F. Season: Winter. Day 349 of 1999.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 22e7c552ee3bc41b · Hash: 45964116f7f571f6

33°F

Daily High (TMAX)

23°F

Daily Low (TMIN)

10°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1999-12-15 · Winter · Day 349 of 1999

High (TMAX)

33°F

Low (TMIN)

23°F

Range

10°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

22e7c552ee3bc41b

Content Hash

45964116f7f571f6

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1999-12-15 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-12-14 · Hi:37°F Lo:24°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-12-16 · Hi:36°F Lo:29°F

conf=1.00 · tier-2 · deterministic

WEATHER_SEASONAL_PATTERN

Arrowrock Dam · 1998-12-15 · same month, consecutive year

conf=0.90 · tier-2 · deterministic

Arrowrock Dam — December 15, 1999