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

Boise Foothills — October 20, 1976FROST EVENT

WEATHER RECORD · BOISE FOOTHILLS · 1976-10-20 · boise-standard-weather-v1.0.0
HI 58°F · LO 30°F · RNG 28°F · 3 edges
58°F Daily High (TMAX)
30°F Daily Low (TMIN)
28°F Temp Range · Fall
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I ddeb52a6f4fdbfa7
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1976-10-20 · Fall · Day 294 of 1976
TMAX 58°F
TMIN 30°F
TRANGE 28°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 ddeb52a6f4fdbfa7
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 75ef2e0a9528dd76
◈ 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 — 1976 is year 4 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1976-10-20 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 58°F and the daily low was 30°F, a diurnal range of 28°F. Season: Fall. Day 294 of 1976. 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: ddeb52a6f4fdbfa7.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1976-10-20 · High: 62°F Low: 29°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1976-10-19 · High: 55°F Low: 30°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1976-10-21 · High: 61°F Low: 32°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 ddeb52a6f4fdbfa7 /treasure-valley/data/weather/boise-foothills/1976/10/20/ 75ef2e0a9528dd76