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

Boise Foothills — December 31, 1974

WEATHER RECORD · BOISE FOOTHILLS · 1974-12-31 · boise-standard-weather-v1.0.0
HI 24°F · LO 6°F · RNG 18°F · 4 edges
24°F Daily High (TMAX)
6°F Daily Low (TMIN)
18°F Temp Range · Winter
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I c4db40f461c46a73
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1974-12-31 · Winter · Day 365 of 1974
TMAX 24°F
TMIN 6°F
TRANGE 18°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
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID c4db40f461c46a73
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH aa0d750fecad1b72
◈ 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 — 1974 is year 2 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1974-12-31 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 24°F and the daily low was 6°F, a diurnal range of 18°F. Season: Winter. Day 365 of 1974. 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: c4db40f461c46a73.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1974-12-31 · High: 25°F Low: 1°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1974-12-30 · High: 26°F Low: 15°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1975-01-01 · High: 18°F Low: 6°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon hard cold 1974 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 c4db40f461c46a73 /treasure-valley/data/weather/boise-foothills/1974/12/31/ aa0d750fecad1b72