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

Boise Foothills — March 21, 1977

WEATHER RECORD · BOISE FOOTHILLS · 1977-03-21 · boise-standard-weather-v1.0.0
HI 53°F · LO 24°F · RNG 29°F · 3 edges
53°F Daily High (TMAX)
24°F Daily Low (TMIN)
29°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 5aafa30f88080d48
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1977-03-21 · Spring · Day 80 of 1977
TMAX 53°F
TMIN 24°F
TRANGE 29°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 5aafa30f88080d48
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH c2387df75817c5bd
◈ 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 — 1977 is year 5 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1977-03-21 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 53°F and the daily low was 24°F, a diurnal range of 29°F. Season: Spring. Day 80 of 1977. 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: 5aafa30f88080d48.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1977-03-21 · High: 56°F Low: 25°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1977-03-20 · High: 43°F Low: 25°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1977-03-22 · High: 67°F Low: 33°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 5aafa30f88080d48 /treasure-valley/data/weather/boise-foothills/1977/03/21/ c2387df75817c5bd