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Historical Weather · Boise River Basin · idahocity-weather-v2.0.0

Arrowrock Dam — December 17, 1978

Arrowrock Dam · 3,241 ft · Boise River Basin · Boise County, Idaho

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

On 1978-12-17 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 34°F and the daily low was 10°F, a diurnal range of 24°F. Season: Winter. Day 351 of 1978.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: a2edec361e49545c · Hash: 637e7dc897e71748
34°F
Daily High (TMAX)
10°F
Daily Low (TMIN)
24°F
Temp Range
4
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Arrowrock Dam
GHCND ID
USC00100448
Date
1978-12-17 · Winter · Day 351 of 1978
High (TMAX)
34°F
Low (TMIN)
10°F
Range
24°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
a2edec361e49545c
Content Hash
637e7dc897e71748
Ingested
2026-07-25T14:45:12 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 4 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1978-12-17 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1978-12-16 · Hi:40°F Lo:24°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1978-12-18 · Hi:34°F Lo:15°F
conf=1.00 · tier-2 · deterministic
WEATHER_EXTREME_EVENT
Phenomenon: phenomenon hard cold 1978
conf=0.99 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
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