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

Arrowrock Dam — July 29, 1977HEAT EVENT

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 1977-07-29 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 95°F and the daily low was 55°F, a diurnal range of 40°F. Season: Summer. Day 210 of 1977. This date recorded a heat event (high ≥ 95°F) at 3,241 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: afe7c1db158a9a21 · Hash: ec4c43c95f57769c
95°F
Daily High (TMAX)
55°F
Daily Low (TMIN)
40°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Arrowrock Dam
GHCND ID
USC00100448
Date
1977-07-29 · Summer · Day 210 of 1977
High (TMAX)
95°F
Low (TMIN)
55°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
afe7c1db158a9a21
Content Hash
ec4c43c95f57769c
Ingested
2026-07-25T14:45:12 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1977-07-29 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1977-07-28 · Hi:93°F Lo:57°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1977-07-30 · Hi:82°F Lo:50°F
conf=1.00 · tier-2 · deterministic
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