What was the temperature at Arrowrock Dam on 1984-10-18?

On 1984-10-18, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 47°F and the daily low was 27°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — October 18, 1984

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

On 1984-10-18 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 47°F and the daily low was 27°F, a diurnal range of 20°F. Season: Fall. Day 292 of 1984. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 4bfbde4cfeb0760f · Hash: 7548e16ed226c58a

47°F

Daily High (TMAX)

27°F

Daily Low (TMIN)

20°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1984-10-18 · Fall · Day 292 of 1984

High (TMAX)

47°F

Low (TMIN)

27°F

Range

20°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

4bfbde4cfeb0760f

Content Hash

7548e16ed226c58a

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1984-10-18 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1984-10-17 · Hi:47°F Lo:28°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1984-10-19 · Hi:44°F Lo:27°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — October 18, 1984HARD FREEZE