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Weather Intelligence · Snake River Corridor · boise-standard-weather-v1.0.0

Homedale — September 23, 1998FROST EVENT

WEATHER RECORD · HOMEDALE · 1998-09-23 · boise-standard-weather-v1.0.0
HI 79°F · LO 36°F · RNG 43°F · 4 edges
79°F Daily High (TMAX)
36°F Daily Low (TMIN)
43°F Temp Range · Fall
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I 1fc130b181df0e54
STATION Homedale 1 SE
GHCND ID USC00104318
DATE 1998-09-23 · Fall · Day 266 of 1998
TMAX 79°F
TMIN 36°F
TRANGE 43°F
ZONE snake_river_corridor
COUNTY canyon
ELEVATION 679.7m · Snake River Corridor
COORDINATES 43.6058°N, -116.9211°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 1fc130b181df0e54
INGESTED 2026-07-14T16:30:57 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH 8e6d05e396a4fc7e
◈ STATION CONTEXT — HOMEDALE MICROCLIMATE · SNAKE RIVER CORRIDOR
STATION DESC Western edge of the Treasure Valley on the Snake River. Lowest elevation station in the dataset at 679 meters. Snake River corridor influences — cold air pooling, frost risk, agricultural microclimate at the valley margin.
RECORD SINCE 1990 — 1998 is year 9 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1998-09-23 at Homedale 1 SE (Snake River Corridor, canyon, 679.7m elevation), the daily high temperature was 79°F and the daily low was 36°F, a diurnal range of 43°F. Season: Fall. Day 266 of 1998. 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: 1fc130b181df0e54.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1998-09-23 · High: 75°F Low: 51°F · Elev: 860.5m · conf=0.84 · T2·DET
WEATHER_TEMPORAL_SERIES Homedale · 1998-09-22 · High: 77°F Low: 35°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Homedale · 1998-09-24 · High: 81°F Low: 34°F · conf=1.00 · T2·DET
WEATHER_TO_AGRICULTURE Agriculture vertical anchor — frost/freeze event · conf=0.80 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 1fc130b181df0e54 /treasure-valley/data/weather/homedale/1998/09/23/ 8e6d05e396a4fc7e