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Boise County · Est. 1862
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Historical Weather · Deadwood River Basin · idahocity-weather-v2.0.0

Deadwood Dam — September 30, 1956HARD FREEZE

Deadwood Dam · 5,384 ft · Deadwood River Basin · Boise County, Idaho

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

On 1956-09-30 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 63°F and the daily low was 28°F, a diurnal range of 35°F. Season: Fall. Day 274 of 1956. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 18e1885ac247470f · Hash: 90670135a79d9fee
63°F
Daily High (TMAX)
28°F
Daily Low (TMIN)
35°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Deadwood Dam
GHCND ID
USC00102385
Date
1956-09-30 · Fall · Day 274 of 1956
High (TMAX)
63°F
Low (TMIN)
28°F
Range
35°F
Zone
Deadwood River Basin
Elevation
5,384 ft · 1,641 m
Coordinates
44.3167°N, 115.6333°W
Geography
boise_county
Source Tier
Tier 1 — Primary Federal Source — NOAA GHCND
Confidence
0.95
Record ID
18e1885ac247470f
Content Hash
90670135a79d9fee
Ingested
2026-07-25T14:45:13 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1956-09-30 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m
conf=0.95 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1956-09-29 · Hi:63°F Lo:34°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1956-10-01 · Hi:66°F Lo:26°F
conf=1.00 · tier-2 · deterministic
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