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

KBOI — October 27, 1948HARD FREEZE

WEATHER RECORD · KBOI · 1948-10-27 · boise-standard-weather-v1.0.0
HI 53°F · LO 22°F · RNG 31°F · 4 edges
53°F Daily High (TMAX)
22°F Daily Low (TMIN)
31°F Temp Range · Fall
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I c17bd26f34f0f6dd
STATION Boise Air Terminal (KBOI)
GHCND ID USW00024131
DATE 1948-10-27 · Fall · Day 301 of 1948
TMAX 53°F
TMIN 22°F
TRANGE 31°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 FLAGSHARD FREEZE
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID c17bd26f34f0f6dd
INGESTED 2026-07-14T16:30:44 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH faca48a325cb1ce0
◈ 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 — 1948 is year 9 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1948-10-27 at Boise Air Terminal (KBOI) (Valley Floor, ada, 860.5m elevation), the daily high temperature was 53°F and the daily low was 22°F, a diurnal range of 31°F. Season: Fall. Day 301 of 1948. 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: c17bd26f34f0f6dd.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION Parma · 1948-10-27 · High: 59°F Low: 33°F · Elev: 698.0m · conf=0.83 · T2·DET
WEATHER_CROSS_STATION Deer Flat · 1948-10-27 · High: 56°F Low: 35°F · Elev: 765.0m · conf=0.80 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1948-10-26 · High: 55°F Low: 30°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1948-10-28 · High: 55°F Low: 30°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 c17bd26f34f0f6dd /treasure-valley/data/weather/kboi/1948/10/27/ faca48a325cb1ce0