STATION
Boise Air Terminal (KBOI)
GHCND ID
USW00024131
DATE
1940-08-12 · Summer · Day 225 of 1940
TMAX
100°F
TMIN
68°F
TRANGE
32°F
ZONE
valley_floor
COUNTY
ada
ELEVATION
860.5m · Valley Floor
COORDINATES
43.56705°N, -116.24062°W
SOURCE TIER
TIER 1 — PRIMARY FEDERAL SOURCE — NOAA GHCND
CONFIDENCE
0.95
EVENT FLAGSHEAT EVENT
SOURCE ORG
NOAA National Centers for Environmental Information — GHCND
RECORD ID
6c9412e214e85691
INGESTED
2026-07-14T16:30:44 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
b1048ccfb4300e0e
STATION DESC
The primary NWS observation station for the Treasure Valley. Boise Airport (KBOI) has recorded daily temperature since 1940, making it the longest continuous climate record in the region. Sits at 860 meters on the valley floor.
RECORD SINCE
1940 — 1940 is year 1 of record
On 1940-08-12 at
Boise Air Terminal (KBOI)
(Valley Floor, ada, 860.5m elevation),
the daily high temperature was 100°F
and the daily low was 68°F,
a diurnal range of 32°F.
Season: Summer.
Day 225 of 1940. This date recorded a heat event (tmax ≥ 100°F).
Source: NOAA National Centers for Environmental Information — GHCND.
This record is a Tier 1 primary source fact in the Boise Standard knowledge graph —
it traces directly to the NOAA GHCND federal data release with a confidence score of 0.95.
Pipeline: boise-standard-weather-v1.0.0.
Record ID: 6c9412e214e85691.
