STATION
Boise Lucky Peak Dam
GHCND ID
USC00101018
DATE
1974-05-18 · Spring · Day 138 of 1974
TMAX
56°F
TMIN
35°F
TRANGE
21°F
ZONE
canyon_east
COUNTY
ada
ELEVATION
865.6m · Canyon East
COORDINATES
43.5253°N, -116.0542°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
80391c3915922c75
INGESTED
2026-07-14T16:30:58 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
f1d9fa503933e532
STATION DESC
Eastern Ada County at the Boise River canyon mouth. Records back to 1951. Captures the canyon east microclimate — influenced by mountain air drainage from the Boise Range. Army Corps of Engineers water management context.
RECORD SINCE
1951 — 1974 is year 24 of record
On 1974-05-18 at
Boise Lucky Peak Dam
(Canyon East, ada, 865.6m elevation),
the daily high temperature was 56°F
and the daily low was 35°F,
a diurnal range of 21°F.
Season: Spring.
Day 138 of 1974. 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: 80391c3915922c75.
