What was the temperature at Idaho City on 1987-01-21?

On 1987-01-21, the daily high at Idaho City (Boise Basin, 3,970 ft, Boise County, Idaho) was 35°F and the daily low was -4°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Idaho City Weather — January 21, 1987

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

On 1987-01-21 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 35°F and the daily low was -4°F, a diurnal range of 39°F. Season: Winter. Day 21 of 1987.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 545f0b94b668bbf8 · Hash: 65b3581f9ad58c8b

35°F

Daily High (TMAX)

-4°F

Daily Low (TMIN)

39°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Idaho City

GHCND ID

USC00104442

Date

1987-01-21 · Winter · Day 21 of 1987

High (TMAX)

35°F

Low (TMIN)

-4°F

Range

39°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

545f0b94b668bbf8

Content Hash

65b3581f9ad58c8b

Ingested

2026-07-25T14:45:07 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1987-01-21 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m

conf=0.92 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1987-01-20 · Hi:36°F Lo:-4°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1987-01-22 · Hi:35°F Lo:-1°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1987

conf=0.99 · tier-2 · deterministic

Idaho City — January 21, 1987