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Weather Intelligence · Valley Floor · boise-standard-weather-v1.0.0

KBOI — October 18, 1961FROST EVENT

WEATHER RECORD · KBOI · 1961-10-18 · boise-standard-weather-v1.0.0
HI 64°F · LO 32°F · RNG 32°F · 5 edges
64°F Daily High (TMAX)
32°F Daily Low (TMIN)
32°F Temp Range · Fall
5 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 53c8ee7972e117c5
STATION Boise Air Terminal (KBOI)
GHCND ID USW00024131
DATE 1961-10-18 · Fall · Day 291 of 1961
TMAX 64°F
TMIN 32°F
TRANGE 32°F
ZONE valley_floor
COUNTY ada
ELEVATION 860.5m · Valley Floor
COORDINATES 43.56705°N, -116.24062°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 53c8ee7972e117c5
INGESTED 2026-07-14T16:30:44 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH ffd17c72d1457b8a
◈ STATION CONTEXT — KBOI MICROCLIMATE · VALLEY FLOOR
STATION DESC The primary NWS observation station for the Treasure Valley. Boise Airport (KBOI) has recorded daily temperature since 1940, making it the longest continuous climate record in the region. Sits at 860 meters on the valley floor.
RECORD SINCE 1940 — 1961 is year 22 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1961-10-18 at Boise Air Terminal (KBOI) (Valley Floor, ada, 860.5m elevation), the daily high temperature was 64°F and the daily low was 32°F, a diurnal range of 32°F. Season: Fall. Day 291 of 1961. 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: 53c8ee7972e117c5.

◈ GRAPH EDGES — 5 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION Parma · 1961-10-18 · High: 65°F Low: 28°F · Elev: 698.0m · conf=0.83 · T2·DET
WEATHER_CROSS_STATION Deer Flat · 1961-10-18 · High: 61°F Low: 34°F · Elev: 765.0m · conf=0.80 · T2·DET
WEATHER_CROSS_STATION Lucky Peak · 1961-10-18 · High: 68°F Low: 36°F · Elev: 865.6m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1961-10-17 · High: 61°F Low: 40°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1961-10-19 · High: 76°F Low: 38°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 53c8ee7972e117c5 /treasure-valley/data/weather/kboi/1961/10/18/ ffd17c72d1457b8a