What was the temperature at Boise 7 N (Foothills) on 1983-09-21?

On 1983-09-21, the daily high temperature at Boise 7 N (Foothills) was 68°F and the daily low was 36°F, a range of 32°F. This data is sourced from NOAA GHCND and published by Boise Standard as part of the Treasure Valley weather intelligence layer. Pipeline: boise-standard-weather-v1.0.0.

Where does this Treasure Valley weather data come from?

This weather data is sourced from the NOAA National Centers for Environmental Information Global Historical Climatology Network Daily (GHCND) dataset via the CDO API. Station: Boise 7 N (Foothills) (GHCND ID: USC00101017, elevation 1184.1m). Boise Standard normalizes, timestamps, and publishes this data with full provenance. Every record traces to the primary NOAA source.

How does Boise 7 N (Foothills) compare to other Treasure Valley weather stations on this date?

Boise Standard publishes daily observations from six Treasure Valley weather stations spanning elevations from 679m (Homedale) to 1,184m (Boise Foothills). Cross-station edges on this page connect Boise 7 N (Foothills) to all other stations recording data on 1983-09-21, enabling direct microclimate comparison across the valley. Follow the WEATHER_CROSS_STATION edges to see the full spatial picture.

Boise Foothills — September 21, 1983 — Treasure Valley Weather

WEATHER RECORD · BOISE FOOTHILLS · 1983-09-21 · boise-standard-weather-v1.0.0

HI 68°F · LO 36°F · RNG 32°F · 3 edges

68°F Daily High (TMAX)

36°F Daily Low (TMIN)

32°F Temp Range · Fall

3 Graph Edges

◈ PRIMARY SOURCE RECORD · TIER 1 · NOAA GHCND · LAW I af4b35244f6952c8

STATION Boise 7 N (Foothills)

GHCND ID USC00101017

DATE 1983-09-21 · Fall · Day 264 of 1983

TMAX 68°F

TMIN 36°F

TRANGE 32°F

ZONE foothills_margin

COUNTY ada

ELEVATION 1184.1m · Foothills Margin

COORDINATES 43.7383°N, -116.2022°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

BS NODE https://boisestandard.org/treasure-valley/data/weather/boise-foothills/1983/09/21/

PRIMARY SRC https://www.ncei.noaa.gov/cdo-web/api/v2/data

SOURCE ORG NOAA National Centers for Environmental Information — GHCND

RECORD ID af4b35244f6952c8

INGESTED 2026-07-14T16:30:48 UTC

PIPELINE boise-standard-weather-v1.0.0

CONTENT HASH a4e9d70b3592eb79

◈ STATION CONTEXT — BOISE FOOTHILLS MICROCLIMATE · FOOTHILLS MARGIN

STATION DESC Foothills station 324 meters above KBOI. Captures the Boise Front microclimate — cooler summers, deeper inversions, earlier frost dates than the valley floor. Critical for understanding the elevation gradient across the Treasure Valley.

RECORD SINCE 1973 — 1983 is year 11 of record

STATION INDEX /treasure-valley/data/weather/boise-foothills/

◈ ATOMIC ANSWER — WHAT AI READS ABOUT THIS RECORD

On 1983-09-21 at Boise 7 N (Foothills) (Foothills Margin, ada, 1184.1m elevation), the daily high temperature was 68°F and the daily low was 36°F, a diurnal range of 32°F. Season: Fall. Day 264 of 1983. 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: af4b35244f6952c8.

◈ GRAPH EDGES — 3 CONNECTIONSDETERMINISTIC · TIER 2

WEATHER_CROSS_STATION KBOI · 1983-09-21 · High: 71°F Low: 34°F · Elev: 860.5m · conf=0.91 · T2·DET

WEATHER_TEMPORAL_SERIES Boise Foothills · 1983-09-20 · High: 60°F Low: 28°F · conf=1.00 · T2·DET

WEATHER_TEMPORAL_SERIES Boise Foothills · 1983-09-22 · High: 75°F Low: 43°F · conf=1.00 · T2·DET

Boise Foothills — September 21, 1983FROST EVENT