What was the temperature at Arrowrock Dam on 1989-04-15?

On 1989-04-15, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 75°F and the daily low was 42°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — April 15, 1989

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

On 1989-04-15 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 75°F and the daily low was 42°F, a diurnal range of 33°F. Season: Spring. Day 105 of 1989.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: a5869e9b323a13f0 · Hash: 85099ad587e611b0

75°F

Daily High (TMAX)

42°F

Daily Low (TMIN)

33°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1989-04-15 · Spring · Day 105 of 1989

High (TMAX)

75°F

Low (TMIN)

42°F

Range

33°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

a5869e9b323a13f0

Content Hash

85099ad587e611b0

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 5 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1989-04-15 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-04-14 · Hi:74°F Lo:37°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-04-16 · Hi:67°F Lo:52°F

conf=1.00 · tier-2 · deterministic

WEATHER_SEASONAL_PATTERN

Arrowrock Dam · 1988-04-15 · same month, consecutive year

conf=0.90 · tier-2 · deterministic

WEATHER_SEASONAL_PATTERN

Arrowrock Dam · 1990-04-15 · same month, consecutive year

conf=0.90 · tier-2 · deterministic

Arrowrock Dam — April 15, 1989