STATION
Deer Flat Dam
GHCND ID
USC00102444
DATE
1920-08-17 · Summer · Day 230 of 1920
TMAX
100°F
TMIN
61°F
TRANGE
39°F
ZONE
canyon_floor
COUNTY
canyon
ELEVATION
765.0m · Canyon Floor
COORDINATES
43.5765°N, -116.7475°W
SOURCE TIER
TIER 1 — PRIMARY FEDERAL SOURCE — NOAA GHCND
CONFIDENCE
0.95
EVENT FLAGSHEAT EVENT
SOURCE ORG
NOAA National Centers for Environmental Information — GHCND
RECORD ID
27ecb69d58361efa
INGESTED
2026-07-14T16:30:54 UTC
PIPELINE
boise-standard-weather-v1.0.0
CONTENT HASH
3ab41007cd522986
STATION DESC
Lake Lowell / Deer Flat Dam station with records back to 1916 — the oldest station in the dataset. Canyon County floor, water infrastructure context. Records span the full history of modern irrigation agriculture in the Snake River Plain.
RECORD SINCE
1916 — 1920 is year 5 of record
On 1920-08-17 at
Deer Flat Dam
(Canyon Floor, canyon, 765.0m elevation),
the daily high temperature was 100°F
and the daily low was 61°F,
a diurnal range of 39°F.
Season: Summer.
Day 230 of 1920. This date recorded a heat event (tmax ≥ 100°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: 27ecb69d58361efa.
