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

Boise Foothills — April 30, 1980FROST EVENT

WEATHER RECORD · BOISE FOOTHILLS · 1980-04-30 · boise-standard-weather-v1.0.0
HI 62°F · LO 30°F · RNG 32°F · 3 edges
62°F Daily High (TMAX)
30°F Daily Low (TMIN)
32°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I e1b28bc41c1f1c8b
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1980-04-30 · Spring · Day 121 of 1980
TMAX 62°F
TMIN 30°F
TRANGE 32°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 e1b28bc41c1f1c8b
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 59c3b4108539c156
◈ 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 — 1980 is year 8 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1980-04-30 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 62°F and the daily low was 30°F, a diurnal range of 32°F. Season: Spring. Day 121 of 1980. 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: e1b28bc41c1f1c8b.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1980-04-30 · High: 64°F Low: 37°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1980-04-29 · High: 65°F Low: 47°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1980-05-01 · High: 71°F Low: 40°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 e1b28bc41c1f1c8b /treasure-valley/data/weather/boise-foothills/1980/04/30/ 59c3b4108539c156