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

Parma — April 06, 1928FROST EVENT

WEATHER RECORD · PARMA · 1928-04-06 · boise-standard-weather-v1.0.0
HI 55°F · LO 33°F · RNG 22°F · 3 edges
55°F Daily High (TMAX)
33°F Daily Low (TMIN)
22°F Temp Range · Spring
3 Graph Edges
◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I b3b2ba36cbfa8692
STATION Parma Experiment Station
GHCND ID USC00106844
DATE 1928-04-06 · Spring · Day 97 of 1928
TMAX 55°F
TMIN 33°F
TRANGE 22°F
ZONE snake_river_corridor
COUNTY canyon
ELEVATION 698.0m · Snake River Corridor
COORDINATES 43.8023°N, -116.9442°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 b3b2ba36cbfa8692
INGESTED 2026-07-14T16:30:50 UTC
PIPELINE boise-standard-weather-v1.0.0
CONTENT HASH d6f9170ae0a88f1b
◈ STATION CONTEXT — PARMA MICROCLIMATE · SNAKE RIVER CORRIDOR
STATION DESC USDA agricultural research station on the Snake River corridor with records back to 1922 — the deepest historical record in the dataset. At 698 meters, 162 meters below KBOI, this station captures cold air drainage and frost events critical to the Treasure Valley agricultural calendar.
RECORD SINCE 1922 — 1928 is year 7 of record
◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1928-04-06 at Parma Experiment Station (Snake River Corridor, canyon, 698.0m elevation), the daily high temperature was 55°F and the daily low was 33°F, a diurnal range of 22°F. Season: Spring. Day 97 of 1928. 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: b3b2ba36cbfa8692.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2
WEATHER_TEMPORAL_SERIES Parma · 1928-04-05 · High: 63°F Low: 33°F · conf=1.00 · T2·DET
WEATHER_TEMPORAL_SERIES Parma · 1928-04-07 · High: 54°F Low: 25°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 b3b2ba36cbfa8692 /treasure-valley/data/weather/parma/1928/04/06/ d6f9170ae0a88f1b