What was the temperature at Arrowrock Dam on 1978-07-15?

On 1978-07-15, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 99°F and the daily low was 61°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — July 15, 1978

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

On 1978-07-15 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 99°F and the daily low was 61°F, a diurnal range of 38°F. Season: Summer. Day 196 of 1978. This date recorded a heat event (high ≥ 95°F) at 3,241 ft.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 8b463553faa0b4de · Hash: 5289d9b072daadb3

99°F

Daily High (TMAX)

61°F

Daily Low (TMIN)

38°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1978-07-15 · Summer · Day 196 of 1978

High (TMAX)

99°F

Low (TMIN)

61°F

Range

38°F

Zone

Boise River Basin

Elevation

3,241 ft · 988 m

Coordinates

43.6°N, 115.9167°W

Geography

boise_county

Source Tier

Tier 1 — Primary Federal Source — NOAA GHCND

Confidence

0.95

Record ID

8b463553faa0b4de

Content Hash

5289d9b072daadb3

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 5 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1978-07-15 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1978-07-14 · Hi:90°F Lo:57°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1978-07-16 · Hi:95°F Lo:63°F

conf=1.00 · tier-2 · deterministic

WEATHER_SEASONAL_PATTERN

Arrowrock Dam · 1977-07-15 · same month, consecutive year

conf=0.90 · tier-2 · deterministic

WEATHER_SEASONAL_PATTERN

Arrowrock Dam · 1979-07-15 · same month, consecutive year

conf=0.90 · tier-2 · deterministic

Arrowrock Dam — July 15, 1978HEAT EVENT