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Willow

United States · 19 October 2021

WillowUnited States4:03 AM localChange location
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← 18 October 202120 October 2021 →

Average

10°C

low 7.8°C · high 11.9°C

Rainfall

0.9mm

dry day

Wind

4.6m/s

daily average

Humidity

87.7%

daily average

Cloud

98%

cover

Pressure

1009hPa

daily average

The temperature ranged from 7.8°C around 00:00 to 11.9°C around 15:00. Rain was recorded across 3 hours, from around 21:00 to 23:00 (0.9mm total).

How unusual was this day?

Compared against the same 135 calendar days (±7 days) across the other 9 years on file.

High temperature

25th percentile

Low temperature

28th percentile

Rainfall

44th percentile

Wind

64th percentile

A percentile of 100 means this was the hottest/wettest/windiest of the comparable days on file; 50 is right in the middle. This window's average temperature was 10.9°C, versus 10°C on this specific day.

Sun & daylight

Sunrise

07:44

Sunset

18:20

Day length

10h 36m

Hour by hour

Temperature (line) and hourly rainfall (bars), local time — America/Los_Angeles.

↓ Download CSV
00:0006:0012:0018:0023:00

Cumulative rainfall through the day.

00:0006:0012:0018:0023:00
Local timeUTCTempFeelsRain mmWind m/sDirHumidity %Pressure hPa
00:0007:007.8°C5.3°C02.3E901015
01:0008:008.6°C5.7°C03.1E891014
02:0009:008.3°C5°C03.5E891014
03:0010:008.2°C4.8°C03.8E921013
04:0011:008.5°C4.9°C04.2E911012
05:0012:008.7°C4.9°C04.6E921012
06:0013:008.8°C4.9°C04.8E921011
07:0014:009°C5.1°C04.8E931011
08:0015:009.4°C5.6°C04.8E931011
09:0016:009.5°C5.5°C05.2E941010
10:0017:0010.3°C6.1°C05.4E881010
11:0018:0010.4°C5.9°C05.9E881009
12:0019:0010.8°C6.6°C05.4E851009
13:0020:0011.5°C7.5°C05.2E821008
14:0021:0011.8°C8°C05E801008
15:0022:0011.9°C8°C05.2E811007
16:0023:0011.6°C8.1°C0.014.6E831006
17:0000:0011.4°C8.1°C0.014.3E831006
18:0001:0011.3°C7.9°C04.5E841005
19:0002:0010.7°C7.1°C04.7E871005
20:0003:0010.3°C6.8°C0.064.6E891004
21:0004:0010.5°C7°C0.234.5E871004
22:0005:0010.7°C7.1°C0.184.6E851003
23:0006:0010.9°C7.6°C0.424.4E871003

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Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
Source
ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
Data type
Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
Coverage
2016–2025 (10 years) for United States
Location
Willow — 48.250°, -124.500°, ERA5 grid cell center, 2188.3 km from requested point
Time zone
America/Los_Angeles
What's shown here
The hourly and daily record for 19 October 2021 specifically — not a monthly average. See the Willow climate overview for typical conditions.
Spatial resolution
0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
Version / refreshed
Methodology v2026.07 · data last refreshed December 31, 2025
Limitations
A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
Attribution
Generated using Copernicus Climate Change Service information

Cite this data

Plain text
PastClimate (2026-07-21). Historical climate data for Willow, United States (48.25°N, 124.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
APA
PastClimate. (2026). Historical climate data for Willow, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Willow, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 21, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Willow, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-21},
  url = {https://www.pastclimate.com/}
}

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