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

Deer Flat — October 08, 1957FROST EVENT

WEATHER RECORD · DEER FLAT · 1957-10-08 · boise-standard-weather-v1.0.0
HI 61°F · LO 34°F · RNG 27°F · 4 edges
61°F Daily High (TMAX)
34°F Daily Low (TMIN)
27°F Temp Range · Fall
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I db50a9338ae026a3
STATION Deer Flat Dam
GHCND ID USC00102444
DATE 1957-10-08 · Fall · Day 281 of 1957
TMAX 61°F
TMIN 34°F
TRANGE 27°F
ZONE canyon_floor
COUNTY canyon
ELEVATION 765.0m · Canyon Floor
COORDINATES 43.5765°N, -116.7475°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 db50a9338ae026a3
INGESTED 2026-07-14T16:30:54 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH f8674a2379285ca1
◈ STATION CONTEXT — DEER FLAT MICROCLIMATE · CANYON FLOOR
STATION DESC Lake Lowell / Deer Flat Dam station with records back to 1916 — the oldest station in the dataset. Canyon County floor, water infrastructure context. Records span the full history of modern irrigation agriculture in the Snake River Plain.
RECORD SINCE 1916 — 1957 is year 42 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1957-10-08 at Deer Flat Dam (Canyon Floor, canyon, 765.0m elevation), the daily high temperature was 61°F and the daily low was 34°F, a diurnal range of 27°F. Season: Fall. Day 281 of 1957. 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: db50a9338ae026a3.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1957-10-08 · High: 63°F Low: 38°F · Elev: 860.5m · conf=0.80 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 1957-10-07 · High: 56°F Low: 38°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 1957-10-09 · High: 69°F Low: 39°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 db50a9338ae026a3 /treasure-valley/data/weather/deer-flat-dam/1957/10/08/ f8674a2379285ca1