What was the temperature at Arrowrock Dam on 1999-09-08?

On 1999-09-08, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 70°F and the daily low was 40°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — September 08, 1999

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

On 1999-09-08 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 70°F and the daily low was 40°F, a diurnal range of 30°F. Season: Fall. Day 251 of 1999.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 7c2171aa45fe6a4c · Hash: 5ec3cffbb741ae3b

70°F

Daily High (TMAX)

40°F

Daily Low (TMIN)

30°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1999-09-08 · Fall · Day 251 of 1999

High (TMAX)

70°F

Low (TMIN)

40°F

Range

30°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

7c2171aa45fe6a4c

Content Hash

5ec3cffbb741ae3b

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1999-09-08 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-09-07 · Hi:88°F Lo:39°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-09-09 · Hi:84°F Lo:40°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — September 08, 1999