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Weather Intelligence · Canyon Floor · boise-standard-weather-v1.0.0

Deer Flat — July 20, 2003HEAT EVENT

WEATHER RECORD · DEER FLAT · 2003-07-20 · boise-standard-weather-v1.0.0
HI 100°F · LO 73°F · RNG 27°F · 4 edges
100°F Daily High (TMAX)
73°F Daily Low (TMIN)
27°F Temp Range · Summer
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 2bbc90b422b6e3ce
STATION Deer Flat Dam
GHCND ID USC00102444
DATE 2003-07-20 · Summer · Day 201 of 2003
TMAX 100°F
TMIN 73°F
TRANGE 27°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
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID 2bbc90b422b6e3ce
INGESTED 2026-07-14T16:30:54 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 597d863fd0670901
◈ STATION CONTEXT — DEER FLAT MICROCLIMATE · CANYON FLOOR
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 — 2003 is year 88 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 2003-07-20 at Deer Flat Dam (Canyon Floor, canyon, 765.0m elevation), the daily high temperature was 100°F and the daily low was 73°F, a diurnal range of 27°F. Season: Summer. Day 201 of 2003. 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: 2bbc90b422b6e3ce.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 2003-07-20 · High: 103°F Low: 71°F · Elev: 860.5m · conf=0.80 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 2003-07-19 · High: 101°F Low: 72°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 2003-07-21 · High: 96°F Low: 70°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon heat event 2003 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 2bbc90b422b6e3ce /treasure-valley/data/weather/deer-flat-dam/2003/07/20/ 597d863fd0670901