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

Deer Flat — December 30, 1978

WEATHER RECORD · DEER FLAT · 1978-12-30 · boise-standard-weather-v1.0.0
HI 17°F · LO -4°F · RNG 21°F · 4 edges
17°F Daily High (TMAX)
-4°F Daily Low (TMIN)
21°F Temp Range · Winter
4 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I c4a17f5f049ab7d1
STATION Deer Flat Dam
GHCND ID USC00102444
DATE 1978-12-30 · Winter · Day 364 of 1978
TMAX 17°F
TMIN -4°F
TRANGE 21°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
◈ DUAL PROVENANCE STAMP — INTERNAL NODE + EXTERNAL SOURCE LAW I · LAW II
SOURCE ORG NOAA National Centers for Environmental Information — GHCND
RECORD ID c4a17f5f049ab7d1
INGESTED 2026-07-14T16:30:54 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH b44c2082c7012a81
◈ 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 — 1978 is year 63 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1978-12-30 at Deer Flat Dam (Canyon Floor, canyon, 765.0m elevation), the daily high temperature was 17°F and the daily low was -4°F, a diurnal range of 21°F. Season: Winter. Day 364 of 1978. 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: c4a17f5f049ab7d1.

◈ GRAPH EDGES — 4 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_CROSS_STATION KBOI · 1978-12-30 · High: 16°F Low: -2°F · Elev: 860.5m · conf=0.80 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 1978-12-29 · High: 21°F Low: 2°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Deer Flat · 1978-12-31 · High: 15°F Low: -2°F · conf=1.00 · T2·DET
WEATHER_EXTREME_EVENT Phenomenon node: phenomenon hard cold 1978 · conf=0.99 · T2·DET
Provenance
NOAA National Centers for Environmental Information — GHCND boise-standard-weather-v1.0.0 c4a17f5f049ab7d1 /treasure-valley/data/weather/deer-flat-dam/1978/12/30/ b44c2082c7012a81