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

Lucky Peak — April 30, 1973FROST EVENT

WEATHER RECORD · LUCKY PEAK · 1973-04-30 · boise-standard-weather-v1.0.0
HI 60°F · LO 32°F · RNG 28°F · 3 edges
60°F Daily High (TMAX)
32°F Daily Low (TMIN)
28°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I ebcb3ad9532f8a1b
STATION Boise Lucky Peak Dam
GHCND ID USC00101018
DATE 1973-04-30 · Spring · Day 120 of 1973
TMAX 60°F
TMIN 32°F
TRANGE 28°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 FLAGSFROST EVENT
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID ebcb3ad9532f8a1b
INGESTED 2026-07-14T16:30:58 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH afbd939af094dbe3
◈ 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 — 1973 is year 23 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1973-04-30 at Boise Lucky Peak Dam (Canyon East, ada, 865.6m elevation), the daily high temperature was 60°F and the daily low was 32°F, a diurnal range of 28°F. Season: Spring. Day 120 of 1973. This date recorded a frost event (tmin ≤ 36°F during growing season). 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: ebcb3ad9532f8a1b.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1973-04-30 · High: 65°F Low: 40°F · Elev: 860.5m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 1973-04-29 · High: 59°F Low: 32°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Lucky Peak · 1973-05-01 · High: 65°F Low: 33°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 ebcb3ad9532f8a1b /treasure-valley/data/weather/lucky-peak-dam/1973/04/30/ afbd939af094dbe3