What was the temperature at Arrowrock Dam on 1989-08-09?

On 1989-08-09, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 90°F and the daily low was 61°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — August 09, 1989

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

On 1989-08-09 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 90°F and the daily low was 61°F, a diurnal range of 29°F. Season: Summer. Day 221 of 1989.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: addc17616494169d · Hash: 3e9f687cbccbf365

90°F

Daily High (TMAX)

61°F

Daily Low (TMIN)

29°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1989-08-09 · Summer · Day 221 of 1989

High (TMAX)

90°F

Low (TMIN)

61°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

addc17616494169d

Content Hash

3e9f687cbccbf365

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1989-08-09 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-08-08 · Hi:95°F Lo:60°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1989-08-10 · Hi:89°F Lo:59°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — August 09, 1989