What was the temperature at Arrowrock Dam on 1990-04-30?

On 1990-04-30, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 57°F and the daily low was 32°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — April 30, 1990

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

On 1990-04-30 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 57°F and the daily low was 32°F, a diurnal range of 25°F. Season: Spring. Day 120 of 1990. This date recorded a frost event (low ≤ 36°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 1acfc622bd53ee0c · Hash: 1f13971e85da2e1b

57°F

Daily High (TMAX)

32°F

Daily Low (TMIN)

25°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1990-04-30 · Spring · Day 120 of 1990

High (TMAX)

57°F

Low (TMIN)

32°F

Range

25°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

1acfc622bd53ee0c

Content Hash

1f13971e85da2e1b

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1990-04-30 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-04-29 · Hi:48°F Lo:35°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1990-05-01 · Hi:61°F Lo:32°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — April 30, 1990FROST EVENT