What was the temperature at Arrowrock Dam on 1999-03-31?

On 1999-03-31, the daily high at Arrowrock Dam (Boise River Basin, 3,241 ft, Boise County, Idaho) was 40°F and the daily low was 34°F. Source: NOAA GHCND. Pipeline: idahocity-weather-v2.0.0.

Arrowrock Dam Weather — March 31, 1999

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

On 1999-03-31 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 40°F and the daily low was 34°F, a diurnal range of 6°F. Season: Spring. Day 90 of 1999.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: 7856ca4620a0992c · Hash: eb18951c79d6bb14

40°F

Daily High (TMAX)

34°F

Daily Low (TMIN)

6°F

Temp Range

Graph Edges

◈ Primary Source Record · NOAA GHCND · Tier 1

Station

Arrowrock Dam

GHCND ID

USC00100448

Date

1999-03-31 · Spring · Day 90 of 1999

High (TMAX)

40°F

Low (TMIN)

34°F

Range

6°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

7856ca4620a0992c

Content Hash

eb18951c79d6bb14

Ingested

2026-07-25T14:45:12 UTC

Pipeline

idahocity-weather-v2.0.0

◈ Graph Edges — 3 Connections · Tier 2 · Deterministic

WEATHER_CROSS_STATION

1999-03-31 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m

conf=0.81 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-03-30 · Hi:44°F Lo:32°F

conf=1.00 · tier-2 · deterministic

WEATHER_TEMPORAL_SERIES

Arrowrock Dam · 1999-04-01 · Hi:62°F Lo:42°F

conf=1.00 · tier-2 · deterministic

Arrowrock Dam — March 31, 1999