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

Arrowrock Dam — January 28, 1989

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 1989-01-28 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 17°F and the daily low was 3°F, a diurnal range of 14°F. Season: Winter. Day 28 of 1989.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 486d179b17134acf · Hash: de8b38cc37d8b7c2
17°F
Daily High (TMAX)
3°F
Daily Low (TMIN)
14°F
Temp Range
4
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Arrowrock Dam
GHCND ID
USC00100448
Date
1989-01-28 · Winter · Day 28 of 1989
High (TMAX)
17°F
Low (TMIN)
3°F
Range
14°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
486d179b17134acf
Content Hash
de8b38cc37d8b7c2
Ingested
2026-07-25T14:45:12 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 4 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1989-01-28 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1989-01-27 · Hi:17°F Lo:0°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1989-01-29 · Hi:26°F Lo:7°F
conf=1.00 · tier-2 · deterministic
WEATHER_EXTREME_EVENT
Phenomenon: phenomenon hard cold 1989
conf=0.99 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
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