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

Arrowrock Dam — August 15, 1999

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 1999-08-15 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 76°F and the daily low was 46°F, a diurnal range of 30°F. Season: Summer. Day 227 of 1999.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: f24f02d8a8cf78ce · Hash: 63ebf700d2df9a7d
76°F
Daily High (TMAX)
46°F
Daily Low (TMIN)
30°F
Temp Range
4
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Arrowrock Dam
GHCND ID
USC00100448
Date
1999-08-15 · Summer · Day 227 of 1999
High (TMAX)
76°F
Low (TMIN)
46°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
f24f02d8a8cf78ce
Content Hash
63ebf700d2df9a7d
Ingested
2026-07-25T14:45:12 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 4 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1999-08-15 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1999-08-14 · Hi:82°F Lo:50°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1999-08-16 · Hi:76°F Lo:50°F
conf=1.00 · tier-2 · deterministic
WEATHER_SEASONAL_PATTERN
◈ Provenance · Sources · Knowledge Graph Context
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