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

Lucky Peak — October 13, 2021HARD FREEZE

WEATHER RECORD · LUCKY PEAK · 2021-10-13 · boise-standard-weather-v1.0.0
HI 49°F · LO 28°F · RNG 21°F · 3 edges
49°F Daily High (TMAX)
28°F Daily Low (TMIN)
21°F Temp Range · Fall
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 6fcf1ec8baacf952
STATION Boise Lucky Peak Dam
GHCND ID USC00101018
DATE 2021-10-13 · Fall · Day 286 of 2021
TMAX 49°F
TMIN 28°F
TRANGE 21°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
EVENT FLAGSHARD FREEZE
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID 6fcf1ec8baacf952
INGESTED 2026-07-14T16:30:58 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH ba6c695a56ab3b74
◈ 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 — 2021 is year 71 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 2021-10-13 at Boise Lucky Peak Dam (Canyon East, ada, 865.6m elevation), the daily high temperature was 49°F and the daily low was 28°F, a diurnal range of 21°F. Season: Fall. Day 286 of 2021. This date recorded a hard freeze event (tmin ≤ 28°F). 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: 6fcf1ec8baacf952.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 2021-10-13 · High: 47°F Low: 34°F · Elev: 860.5m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 2021-10-12 · High: 55°F Low: 30°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 2021-10-14 · High: 55°F Low: 33°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 6fcf1ec8baacf952 /treasure-valley/data/weather/lucky-peak-dam/2021/10/13/ ba6c695a56ab3b74