STATION
Boise Air Terminal (KBOI)
GHCND ID
USW00024131
DATE
1989-10-29 · Fall · Day 302 of 1989
TMAX
46°F
TMIN
20°F
TRANGE
26°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 FLAGSHARD FREEZE
SOURCE ORG
NOAA National Centers for Environmental Information — GHCND
RECORD ID
157a5af0e0ad00dc
INGESTED
2026-07-14T16:30:44 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
b066742f69b5952c
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 — 1989 is year 50 of record
On 1989-10-29 at
Boise Air Terminal (KBOI)
(Valley Floor, ada, 860.5m elevation),
the daily high temperature was 46°F
and the daily low was 20°F,
a diurnal range of 26°F.
Season: Fall.
Day 302 of 1989. This date recorded a hard freeze event (tmin ≤ 28°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: 157a5af0e0ad00dc.
