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

Boise Foothills — September 23, 1984FROST EVENT

WEATHER RECORD · BOISE FOOTHILLS · 1984-09-23 · boise-standard-weather-v1.0.0
HI 52°F · LO 32°F · RNG 20°F · 3 edges
52°F Daily High (TMAX)
32°F Daily Low (TMIN)
20°F Temp Range · Fall
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 25135c8756cd4a8d
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1984-09-23 · Fall · Day 267 of 1984
TMAX 52°F
TMIN 32°F
TRANGE 20°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
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID 25135c8756cd4a8d
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 7d18a69c95b0bf3e
◈ 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 — 1984 is year 12 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1984-09-23 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 52°F and the daily low was 32°F, a diurnal range of 20°F. Season: Fall. Day 267 of 1984. 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: 25135c8756cd4a8d.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1984-09-23 · High: 52°F Low: 29°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1984-09-22 · High: 58°F Low: 36°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1984-09-24 · High: 54°F Low: 27°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 25135c8756cd4a8d /treasure-valley/data/weather/boise-foothills/1984/09/23/ 7d18a69c95b0bf3e