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Weather Intelligence · Foothills Margin · boise-standard-weather-v1.0.0

Boise Foothills — July 19, 1989HEAT EVENT

WEATHER RECORD · BOISE FOOTHILLS · 1989-07-19 · boise-standard-weather-v1.0.0
HI 105°F · LO 66°F · RNG 39°F · 4 edges
105°F Daily High (TMAX)
66°F Daily Low (TMIN)
39°F Temp Range · Summer
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I d24ec926920f5974
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1989-07-19 · Summer · Day 200 of 1989
TMAX 105°F
TMIN 66°F
TRANGE 39°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 FLAGSHEAT EVENT
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID d24ec926920f5974
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 46e6c0807918aed9
◈ STATION CONTEXT — BOISE FOOTHILLS MICROCLIMATE · FOOTHILLS MARGIN
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 — 1989 is year 17 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1989-07-19 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 105°F and the daily low was 66°F, a diurnal range of 39°F. Season: Summer. Day 200 of 1989. 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: d24ec926920f5974.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1989-07-19 · High: 106°F Low: 67°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1989-07-18 · High: 97°F Low: 58°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1989-07-20 · High: 98°F Low: 64°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon heat event 1989 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 d24ec926920f5974 /treasure-valley/data/weather/boise-foothills/1989/07/19/ 46e6c0807918aed9