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

Deadwood Dam — April 20, 1974HARD 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 1974-04-20 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 48°F and the daily low was 26°F, a diurnal range of 22°F. Season: Spring. Day 110 of 1974. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 1403b20ecf558aec · Hash: de1eae08a9056bb0
48°F
Daily High (TMAX)
26°F
Daily Low (TMIN)
22°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Deadwood Dam
GHCND ID
USC00102385
Date
1974-04-20 · Spring · Day 110 of 1974
High (TMAX)
48°F
Low (TMIN)
26°F
Range
22°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
1403b20ecf558aec
Content Hash
de1eae08a9056bb0
Ingested
2026-07-25T14:45:13 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1974-04-20 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m
conf=0.95 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1974-04-19 · Hi:60°F Lo:28°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1974-04-21 · Hi:55°F Lo:19°F
conf=1.00 · tier-2 · deterministic
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