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Weather Intelligence · Canyon East · boise-standard-weather-v1.0.0

Lucky Peak — December 21, 1990

WEATHER RECORD · LUCKY PEAK · 1990-12-21 · boise-standard-weather-v1.0.0
HI 18°F · LO -17°F · RNG 35°F · 4 edges
18°F Daily High (TMAX)
-17°F Daily Low (TMIN)
35°F Temp Range · Winter
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 0eec52cead561022
STATION Boise Lucky Peak Dam
GHCND ID USC00101018
DATE 1990-12-21 · Winter · Day 355 of 1990
TMAX 18°F
TMIN -17°F
TRANGE 35°F
ZONE canyon_east
COUNTY ada
ELEVATION 865.6m · Canyon East
COORDINATES 43.5253°N, -116.0542°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 0eec52cead561022
INGESTED 2026-07-14T16:30:58 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 5890c526d333438a
◈ STATION CONTEXT — LUCKY PEAK MICROCLIMATE · CANYON EAST
STATION DESC Eastern Ada County at the Boise River canyon mouth. Records back to 1951. Captures the canyon east microclimate — influenced by mountain air drainage from the Boise Range. Army Corps of Engineers water management context.
RECORD SINCE 1951 — 1990 is year 40 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1990-12-21 at Boise Lucky Peak Dam (Canyon East, ada, 865.6m elevation), the daily high temperature was 18°F and the daily low was -17°F, a diurnal range of 35°F. Season: Winter. Day 355 of 1990. 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: 0eec52cead561022.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1990-12-21 · High: -3°F Low: -23°F · Elev: 860.5m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 1990-12-20 · High: 27°F Low: -2°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 1990-12-27 · High: 18°F Low: 2°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon hard cold 1990 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 0eec52cead561022 /treasure-valley/data/weather/lucky-peak-dam/1990/12/21/ 5890c526d333438a