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

Deadwood Dam — May 22, 1971FROST EVENT

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 1971-05-22 at Deadwood Dam (Deadwood River Basin, 5,384 ft elevation, Boise County, Idaho), the daily high temperature was 60°F and the daily low was 35°F, a diurnal range of 25°F. Season: Spring. Day 142 of 1971. This date recorded a frost event (low ≤ 36°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 877cb028b1cea820 · Hash: 43a61039c9f99acb
60°F
Daily High (TMAX)
35°F
Daily Low (TMIN)
25°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Deadwood Dam
GHCND ID
USC00102385
Date
1971-05-22 · Spring · Day 142 of 1971
High (TMAX)
60°F
Low (TMIN)
35°F
Range
25°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
877cb028b1cea820
Content Hash
43a61039c9f99acb
Ingested
2026-07-25T14:45:13 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1971-05-22 | KBOI(860.5m) → USC00102385(1641.0m) | Δelev=780m
conf=0.95 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1971-05-21 · Hi:56°F Lo:33°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Deadwood Dam · 1971-05-23 · Hi:69°F Lo:24°F
conf=1.00 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
Every Source. Declared. Permanent.