What was the temperature at Arrowrock Dam on 1986-08-11?

On 1986-08-11, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 103°F and the daily low was 63°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — August 11, 1986

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

On 1986-08-11 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 103°F and the daily low was 63°F, a diurnal range of 40°F. Season: Summer. Day 223 of 1986. This date recorded a heat event (high ≥ 95°F) at 3,241 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 532e401a2a0d7ed0 · Hash: 14cccf88d6062931

103°F

Daily High (TMAX)

63°F

Daily Low (TMIN)

40°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1986-08-11 · Summer · Day 223 of 1986

High (TMAX)

103°F

Low (TMIN)

63°F

Range

40°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

532e401a2a0d7ed0

Content Hash

14cccf88d6062931

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1986-08-11 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1986-08-10 · Hi:98°F Lo:60°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1986-08-12 · Hi:93°F Lo:57°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon heat event 1986

conf=0.99 · tier-2 · deterministic

Arrowrock Dam — August 11, 1986HEAT EVENT