STATION
Boise Air Terminal (KBOI)
GHCND ID
USW00024131
DATE
1977-07-21 · Summer · Day 202 of 1977
TMAX
100°F
TMIN
73°F
TRANGE
27°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
202418726b7f6920
INGESTED
2026-07-14T16:30:44 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
828a52c02b20b94d
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 — 1977 is year 38 of record
On 1977-07-21 at
Boise Air Terminal (KBOI)
(Valley Floor, ada, 860.5m elevation),
the daily high temperature was 100°F
and the daily low was 73°F,
a diurnal range of 27°F.
Season: Summer.
Day 202 of 1977. 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: 202418726b7f6920.
