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

Boise Foothills — May 13, 1991

WEATHER RECORD · BOISE FOOTHILLS · 1991-05-13 · boise-standard-weather-v1.0.0
HI 56°F · LO 45°F · RNG 11°F · 3 edges
56°F Daily High (TMAX)
45°F Daily Low (TMIN)
11°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 8ce205dab0bc7379
STATION Boise 7 N (Foothills)
GHCND ID USC00101017
DATE 1991-05-13 · Spring · Day 133 of 1991
TMAX 56°F
TMIN 45°F
TRANGE 11°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 8ce205dab0bc7379
INGESTED 2026-07-14T16:30:48 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 8519d8f5e41c6675
◈ 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 — 1991 is year 19 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1991-05-13 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 56°F and the daily low was 45°F, a diurnal range of 11°F. Season: Spring. Day 133 of 1991. 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: 8ce205dab0bc7379.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1991-05-13 · High: 62°F Low: 48°F · Elev: 860.5m · conf=0.91 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1991-05-12 · High: 60°F Low: 37°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Boise Foothills · 1991-05-14 · High: 62°F Low: 38°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 8ce205dab0bc7379 /treasure-valley/data/weather/boise-foothills/1991/05/13/ 8519d8f5e41c6675