What was the temperature at Arrowrock Dam on 1984-07-21?

On 1984-07-21, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 89°F and the daily low was 55°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — July 21, 1984

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

On 1984-07-21 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 89°F and the daily low was 55°F, a diurnal range of 34°F. Season: Summer. Day 203 of 1984.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: b96d95ef1a15b438 · Hash: e4e3e18acbf09f7c

89°F

Daily High (TMAX)

55°F

Daily Low (TMIN)

34°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1984-07-21 · Summer · Day 203 of 1984

High (TMAX)

89°F

Low (TMIN)

55°F

Range

34°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

b96d95ef1a15b438

Content Hash

e4e3e18acbf09f7c

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1984-07-21 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1984-07-20 · Hi:93°F Lo:60°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1984-07-22 · Hi:84°F Lo:55°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — July 21, 1984