What was the temperature at Arrowrock Dam on 1987-09-02?

On 1987-09-02, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 100°F and the daily low was 57°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — September 02, 1987

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

On 1987-09-02 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 100°F and the daily low was 57°F, a diurnal range of 43°F. Season: Fall. Day 245 of 1987. This date recorded a heat event (high ≥ 95°F) at 3,241 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 1ce94ada05874a0f · Hash: f57a044e179748fe

100°F

Daily High (TMAX)

57°F

Daily Low (TMIN)

43°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1987-09-02 · Fall · Day 245 of 1987

High (TMAX)

100°F

Low (TMIN)

57°F

Range

43°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

1ce94ada05874a0f

Content Hash

f57a044e179748fe

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1987-09-02 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1987-09-01 · Hi:96°F Lo:54°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1987-09-03 · Hi:94°F Lo:58°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon heat event 1987

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — September 02, 1987HEAT EVENT