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

KBOI — April 13, 1949HARD FREEZE

WEATHER RECORD · KBOI · 1949-04-13 · boise-standard-weather-v1.0.0
HI 59°F · LO 27°F · RNG 32°F · 3 edges
59°F Daily High (TMAX)
27°F Daily Low (TMIN)
32°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 93511918361aa3c3
STATION Boise Air Terminal (KBOI)
GHCND ID USW00024131
DATE 1949-04-13 · Spring · Day 103 of 1949
TMAX 59°F
TMIN 27°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 FLAGSHARD FREEZE
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID 93511918361aa3c3
INGESTED 2026-07-14T16:30:44 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH e84d4610e7fc0325
◈ 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 — 1949 is year 10 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1949-04-13 at Boise Air Terminal (KBOI) (Valley Floor, ada, 860.5m elevation), the daily high temperature was 59°F and the daily low was 27°F, a diurnal range of 32°F. Season: Spring. Day 103 of 1949. 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: 93511918361aa3c3.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION Deer Flat · 1949-04-13 · High: 55°F Low: 26°F · Elev: 765.0m · conf=0.80 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1949-04-12 · High: 53°F Low: 36°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1949-04-14 · High: 64°F Low: 26°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 93511918361aa3c3 /treasure-valley/data/weather/kboi/1949/04/13/ e84d4610e7fc0325