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

Lucky Peak — December 09, 2009

WEATHER RECORD · LUCKY PEAK · 2009-12-09 · boise-standard-weather-v1.0.0
HI 18°F · LO -6°F · RNG 24°F · 4 edges
18°F Daily High (TMAX)
-6°F Daily Low (TMIN)
24°F Temp Range · Winter
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I ac8a0bfadc3bf6f2
STATION Boise Lucky Peak Dam
GHCND ID USC00101018
DATE 2009-12-09 · Winter · Day 343 of 2009
TMAX 18°F
TMIN -6°F
TRANGE 24°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 ac8a0bfadc3bf6f2
INGESTED 2026-07-14T16:30:58 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH b7ebc456b65fde06
◈ 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 — 2009 is year 59 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 2009-12-09 at Boise Lucky Peak Dam (Canyon East, ada, 865.6m elevation), the daily high temperature was 18°F and the daily low was -6°F, a diurnal range of 24°F. Season: Winter. Day 343 of 2009. 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: ac8a0bfadc3bf6f2.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 2009-12-09 · High: 16°F Low: -4°F · Elev: 860.5m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 2009-12-08 · High: 18°F Low: -4°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 2009-12-10 · High: 18°F Low: -1°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon hard cold 2009 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 ac8a0bfadc3bf6f2 /treasure-valley/data/weather/lucky-peak-dam/2009/12/09/ b7ebc456b65fde06