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

Garden Valley — September 21, 1987FROST EVENT

Garden Valley Ranger Station · 3,212 ft · Payette River Basin · Boise County, Idaho

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

On 1987-09-21 at Garden Valley Ranger Station (Payette River Basin, 3,212 ft elevation, Boise County, Idaho), the daily high temperature was 87°F and the daily low was 35°F, a diurnal range of 52°F. Season: Fall. Day 264 of 1987. This date recorded a frost event (low ≤ 36°F) during the growing season.

Source: NOAA National Centers for Environmental Information — GHCND · Record ID: a3d398d4774b2c6e · Hash: 4ba4f870a54a1168
87°F
Daily High (TMAX)
35°F
Daily Low (TMIN)
52°F
Temp Range
3
Graph Edges
◈ Primary Source Record · NOAA GHCND · Tier 1
Station
Garden Valley Ranger Station
GHCND ID
USC00103448
Date
1987-09-21 · Fall · Day 264 of 1987
High (TMAX)
87°F
Low (TMIN)
35°F
Range
52°F
Zone
Payette River Basin
Elevation
3,212 ft · 979 m
Coordinates
44.0667°N, 115.9167°W
Geography
boise_county
Source Tier
Tier 1 — Primary Federal Source — NOAA GHCND
Confidence
0.95
Record ID
a3d398d4774b2c6e
Content Hash
4ba4f870a54a1168
Ingested
2026-07-25T14:45:09 UTC
Pipeline
idahocity-weather-v2.0.0
◈ Graph Edges — 3 Connections · Tier 2 · Deterministic
WEATHER_CROSS_STATION
1987-09-21 | KBOI(860.5m) → USC00103448(979.0m) | Δelev=118m
conf=0.81 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Garden Valley · 1987-09-20 · Hi:83°F Lo:33°F
conf=1.00 · tier-2 · deterministic
WEATHER_TEMPORAL_SERIES
Garden Valley · 1987-09-24 · Hi:94°F Lo:38°F
conf=1.00 · tier-2 · deterministic
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