What was the temperature at Idaho City on 1964-04-18?

On 1964-04-18, the daily high at Idaho City (Boise Basin, 3,970 ft, Boise County, Idaho) was 54°F and the daily low was 8°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Idaho City Weather — April 18, 1964

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

On 1964-04-18 at Idaho City (Boise Basin, 3,970 ft elevation, Boise County, Idaho), the daily high temperature was 54°F and the daily low was 8°F, a diurnal range of 46°F. Season: Spring. Day 109 of 1964. This date recorded a hard freeze (low ≤ 28°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 546747cb9741948d · Hash: e49788c11caeadd5

54°F

Daily High (TMAX)

8°F

Daily Low (TMIN)

46°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Idaho City

GHCND ID

USC00104442

Date

1964-04-18 · Spring · Day 109 of 1964

High (TMAX)

54°F

Low (TMIN)

8°F

Range

46°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

546747cb9741948d

Content Hash

e49788c11caeadd5

Ingested

2026-07-25T14:45:07 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 4 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1964-04-18 | KBOI(860.5m) → USC00104442(1207.0m) | Δelev=346m

conf=0.92 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1964-04-17 · Hi:48°F Lo:14°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Idaho City · 1964-04-19 · Hi:60°F Lo:21°F

conf=1.00 · tier-2 · deterministic

WEATHER_EXTREME_EVENT

Phenomenon: phenomenon hard cold 1964

conf=0.99 · tier-2 · deterministic

Idaho City — April 18, 1964HARD FREEZE