STATION
Boise Air Terminal (KBOI)
GHCND ID
USW00024131
DATE
1991-04-30 · Spring · Day 120 of 1991
TMAX
65°F
TMIN
29°F
TRANGE
36°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
8f5b7bb394668a6c
INGESTED
2026-07-14T16:30:44 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
9a60d58584e4678b
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 — 1991 is year 52 of record
On 1991-04-30 at
Boise Air Terminal (KBOI)
(Valley Floor, ada, 860.5m elevation),
the daily high temperature was 65°F
and the daily low was 29°F,
a diurnal range of 36°F.
Season: Spring.
Day 120 of 1991. 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: 8f5b7bb394668a6c.
