IC
Idaho City
Boise County · Est. 1862
◈ MACHINE ACCESS
Historical Weather · Deadwood River Basin · idahocity-weather-v2.0.0

Deadwood Dam — April 20, 1950HARD 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 1950-04-20 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 65°F and the daily low was 18°F, a diurnal range of 47°F. Season: Spring. Day 110 of 1950. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 6c379eb10706a58f · Hash: 9d07e4381ba4dad9
65°F
Daily High (TMAX)
18°F
Daily Low (TMIN)
47°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Deadwood Dam
GHCND ID
USC00102385
Date
1950-04-20 · Spring · Day 110 of 1950
High (TMAX)
65°F
Low (TMIN)
18°F
Range
47°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
6c379eb10706a58f
Content Hash
9d07e4381ba4dad9
Ingested
2026-07-25T14:45:13 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1950-04-20 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m
conf=0.95 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1950-04-19 · Hi:59°F Lo:15°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1950-04-21 · Hi:60°F Lo:24°F
conf=1.00 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
Every Source. Declared. Permanent.