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

Boise Foothills — June 18, 1973FROST EVENT

WEATHER RECORD · BOISE FOOTHILLS · 1973-06-18 · boise-standard-weather-v1.0.0
HI 61°F · LO 35°F · RNG 26°F · 3 edges
61°F Daily High (TMAX)
35°F Daily Low (TMIN)
26°F Temp Range · Summer
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 44e993a9754e0be6
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1973-06-18 · Summer · Day 169 of 1973
TMAX 61°F
TMIN 35°F
TRANGE 26°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 44e993a9754e0be6
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 7ca9cc73ac5546e4
◈ 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 — 1973 is year 1 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1973-06-18 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 61°F and the daily low was 35°F, a diurnal range of 26°F. Season: Summer. Day 169 of 1973. 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: 44e993a9754e0be6.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1973-06-18 · High: 66°F Low: 36°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1973-06-17 · High: 59°F Low: 37°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1973-06-19 · High: 78°F Low: 42°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 44e993a9754e0be6 /treasure-valley/data/weather/boise-foothills/1973/06/18/ 7ca9cc73ac5546e4