STATION
Boise 7 N (Foothills)
GHCND ID
USC00101017
DATE
1998-05-18 · Spring · Day 138 of 1998
TMAX
59°F
TMIN
32°F
TRANGE
27°F
ZONE
foothills_margin
COUNTY
ada
ELEVATION
1184.1m · Foothills Margin
COORDINATES
43.7383°N, -116.2022°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
f7de0a1e122bbbc5
INGESTED
2026-07-14T16:30:48 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
f12a9b6eb44fedf2
STATION DESC
Foothills station 324 meters above KBOI. Captures the Boise Front microclimate — cooler summers, deeper inversions, earlier frost dates than the valley floor. Critical for understanding the elevation gradient across the Treasure Valley.
RECORD SINCE
1973 — 1998 is year 26 of record
On 1998-05-18 at
Boise 7 N (Foothills)
(Foothills Margin, ada, 1184.1m elevation),
the daily high temperature was 59°F
and the daily low was 32°F,
a diurnal range of 27°F.
Season: Spring.
Day 138 of 1998. 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: f7de0a1e122bbbc5.
