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

Idaho City — June 18, 1974HEAT EVENT

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

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

On 1974-06-18 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 95°F and the daily low was 49°F, a diurnal range of 46°F. Season: Summer. Day 169 of 1974. This date recorded a heat event (high ≥ 95°F) at 3,970 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: d7e8a6858c493342 · Hash: d06e97e0d0aaf756
95°F
Daily High (TMAX)
49°F
Daily Low (TMIN)
46°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Idaho City
GHCND ID
USC00104442
Date
1974-06-18 · Summer · Day 169 of 1974
High (TMAX)
95°F
Low (TMIN)
49°F
Range
46°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
d7e8a6858c493342
Content Hash
d06e97e0d0aaf756
Ingested
2026-07-25T14:45:07 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1974-06-18 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m
conf=0.92 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Idaho City · 1974-06-17 · Hi:97°F Lo:47°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Idaho City · 1974-06-19 · Hi:94°F Lo:49°F
conf=1.00 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
Every Source. Declared. Permanent.