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

KBOI — October 19, 1986FROST EVENT

WEATHER RECORD · KBOI · 1986-10-19 · boise-standard-weather-v1.0.0
HI 66°F · LO 35°F · RNG 31°F · 6 edges
66°F Daily High (TMAX)
35°F Daily Low (TMIN)
31°F Temp Range · Fall
6 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I adcaa2e4a9698e76
STATION Boise Air Terminal (KBOI)
GHCND ID USW00024131
DATE 1986-10-19 · Fall · Day 292 of 1986
TMAX 66°F
TMIN 35°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 FLAGSFROST EVENT
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID adcaa2e4a9698e76
INGESTED 2026-07-14T16:30:44 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH a0ef5d87cc4fd4d4
◈ 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 — 1986 is year 47 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1986-10-19 at Boise Air Terminal (KBOI) (Valley Floor, ada, 860.5m elevation), the daily high temperature was 66°F and the daily low was 35°F, a diurnal range of 31°F. Season: Fall. Day 292 of 1986. 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: adcaa2e4a9698e76.

◈ GRAPH EDGES — 6 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION Boise Foothills · 1986-10-19 · High: 67°F Low: 37°F · Elev: 1184.1m · conf=0.91 · T2·DET
WEATHER_CROSS_STATION Parma · 1986-10-19 · High: 63°F Low: 31°F · Elev: 698.0m · conf=0.83 · T2·DET
WEATHER_CROSS_STATION Deer Flat · 1986-10-19 · High: 65°F Low: 36°F · Elev: 765.0m · conf=0.80 · T2·DET
WEATHER_CROSS_STATION Lucky Peak · 1986-10-19 · High: 61°F Low: 45°F · Elev: 865.6m · conf=0.75 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1986-10-18 · High: 60°F Low: 39°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES KBOI · 1986-10-20 · High: 67°F Low: 43°F · conf=1.00 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 adcaa2e4a9698e76 /treasure-valley/data/weather/kboi/1986/10/19/ a0ef5d87cc4fd4d4