STATION
Boise Air Terminal (KBOI)
GHCND ID
USW00024131
DATE
2011-04-21 · Spring · Day 111 of 2011
TMAX
50°F
TMIN
35°F
TRANGE
15°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 FLAGSFROST EVENT
SOURCE ORG
NOAA National Centers for Environmental Information — GHCND
RECORD ID
5fc5e441007aff07
INGESTED
2026-07-14T16:30:44 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
2525c9c45f8818d2
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 — 2011 is year 72 of record
On 2011-04-21 at
Boise Air Terminal (KBOI)
(Valley Floor, ada, 860.5m elevation),
the daily high temperature was 50°F
and the daily low was 35°F,
a diurnal range of 15°F.
Season: Spring.
Day 111 of 2011. This date recorded a frost event (tmin ≤ 36°F during growing season).
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: 5fc5e441007aff07.
