IC
Idaho City
Boise County · Est. 1862
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Historical Weather · Boise Basin · idahocity-weather-v2.0.0

Idaho City — February 21, 1975

Idaho City · 3,970 ft · Boise Basin · Boise County, Idaho

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

On 1975-02-21 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 32°F and the daily low was 10°F, a diurnal range of 22°F. Season: Winter. Day 52 of 1975.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 73004389a33d00e3 · Hash: 7e18f5a497bc77d7
32°F
Daily High (TMAX)
10°F
Daily Low (TMIN)
22°F
Temp Range
4
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Idaho City
GHCND ID
USC00104442
Date
1975-02-21 · Winter · Day 52 of 1975
High (TMAX)
32°F
Low (TMIN)
10°F
Range
22°F
Zone
Boise Basin
Elevation
3,970 ft · 1,210 m
Coordinates
43.8333°N, 115.8333°W
Geography
idaho_city
Source Tier
Tier 1 — Primary Federal Source — NOAA GHCND
Confidence
0.95
Record ID
73004389a33d00e3
Content Hash
7e18f5a497bc77d7
Ingested
2026-07-25T14:45:07 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 4 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1975-02-21 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m
conf=0.92 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Idaho City · 1975-02-20 · Hi:32°F Lo:22°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Idaho City · 1975-02-22 · Hi:35°F Lo:15°F
conf=1.00 · tier-2 · deterministic
WEATHER_EXTREME_EVENT
Phenomenon: phenomenon hard cold 1975
conf=0.99 · tier-2 · deterministic
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