What was the temperature at Idaho City on 1999-09-28?

On 1999-09-28, the daily high at Idaho City (Boise Basin, 3,970 ft, Boise County, Idaho) was 55°F and the daily low was 17°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Idaho City Weather — September 28, 1999

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

On 1999-09-28 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 55°F and the daily low was 17°F, a diurnal range of 38°F. Season: Fall. Day 271 of 1999. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 25aeb047844cdfb8 · Hash: 62a6f84371f22d58

55°F

Daily High (TMAX)

17°F

Daily Low (TMIN)

38°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Idaho City

GHCND ID

USC00104442

Date

1999-09-28 · Fall · Day 271 of 1999

High (TMAX)

55°F

Low (TMIN)

17°F

Range

38°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

25aeb047844cdfb8

Content Hash

62a6f84371f22d58

Ingested

2026-07-25T14:45:07 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1999-09-28 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m

conf=0.92 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1999-09-27 · Hi:55°F Lo:19°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1999-09-29 · Hi:60°F Lo:17°F

conf=1.00 · tier-2 · deterministic

Idaho City — September 28, 1999HARD FREEZE