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Historical Weather · Boise River Basin · idahocity-weather-v2.0.0

Arrowrock Dam — October 16, 1986FROST EVENT

Arrowrock Dam · 3,241 ft · Boise River Basin · Boise County, Idaho

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

On 1986-10-16 at Arrowrock Dam (Boise River Basin, 3,241 ft elevation, Boise County, Idaho), the daily high temperature was 65°F and the daily low was 35°F, a diurnal range of 30°F. Season: Fall. Day 289 of 1986. This date recorded a frost event (low ≤ 36°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: e41fa16883a00e6f · Hash: c96f4e4b0e828895
65°F
Daily High (TMAX)
35°F
Daily Low (TMIN)
30°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Arrowrock Dam
GHCND ID
USC00100448
Date
1986-10-16 · Fall · Day 289 of 1986
High (TMAX)
65°F
Low (TMIN)
35°F
Range
30°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
e41fa16883a00e6f
Content Hash
c96f4e4b0e828895
Ingested
2026-07-25T14:45:12 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1986-10-16 | KBOI(860.5m) → USC00100448(988.0m) | Δelev=128m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1986-10-15 · Hi:66°F Lo:36°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Arrowrock Dam · 1986-10-17 · Hi:74°F Lo:37°F
conf=1.00 · tier-2 · deterministic
◈ Provenance · Sources · Knowledge Graph Context
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