What was the temperature at Idaho City on 1989-07-21?

On 1989-07-21, the daily high at Idaho City (Boise Basin, 3,970 ft, Boise County, Idaho) was 98°F and the daily low was 55°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Idaho City Weather — July 21, 1989

◈ Atomic Answer · NOAA GHCND · Tier 1 Primary Source · idahocity-weather-v2.0.0

On 1989-07-21 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 98°F and the daily low was 55°F, a diurnal range of 43°F. Season: Summer. Day 202 of 1989. This date recorded a heat event (high ≥ 95°F) at 3,970 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 0d3ea22c5e63910f · Hash: d4ea9767a17daf7d

98°F

Daily High (TMAX)

55°F

Daily Low (TMIN)

43°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Idaho City

GHCND ID

USC00104442

Date

1989-07-21 · Summer · Day 202 of 1989

High (TMAX)

98°F

Low (TMIN)

55°F

Range

43°F

Zone

Boise Basin

Elevation

3,970 ft · 1,210 m

Coordinates

43.8333°N, 115.8333°W

Geography

idaho_city

Source Tier

Tier 1 — Primary Federal Source — NOAA GHCND

Confidence

0.95

Record ID

0d3ea22c5e63910f

Content Hash

d4ea9767a17daf7d

Ingested

2026-07-25T14:45:07 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1989-07-21 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m

conf=0.92 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1989-07-20 · Hi:102°F Lo:52°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1989-07-22 · Hi:88°F Lo:49°F

conf=1.00 · tier-2 · deterministic

Idaho City — July 21, 1989HEAT EVENT