What was the temperature at Arrowrock Dam on 1991-04-19?

On 1991-04-19, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 63°F and the daily low was 34°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — April 19, 1991

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

On 1991-04-19 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 63°F and the daily low was 34°F, a diurnal range of 29°F. Season: Spring. Day 109 of 1991. This date recorded a frost event (low ≤ 36°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 1047925860d7ec2b · Hash: 885f038628e2b4ff

63°F

Daily High (TMAX)

34°F

Daily Low (TMIN)

29°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1991-04-19 · Spring · Day 109 of 1991

High (TMAX)

63°F

Low (TMIN)

34°F

Range

29°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

1047925860d7ec2b

Content Hash

885f038628e2b4ff

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1991-04-19 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1991-04-18 · Hi:55°F Lo:35°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1991-04-20 · Hi:67°F Lo:34°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — April 19, 1991FROST EVENT