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Copperopolis

United States · 17 October 2016

CopperopolisUnited States12:01 AM localChange location
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Average

16.2°C

low 12.7°C · high 20.5°C

Rainfall

5.5mm

rain recorded

Wind

2.4m/s

daily average

Humidity

73.4%

daily average

Cloud

30%

cover

Pressure

1016hPa

daily average

The temperature ranged from 12.7°C around 07:00 to 20.5°C around 15:00. Rain was recorded across 5 hours, from around 00:00 to 04:00 (5.5mm total).

How unusual was this day?

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

High temperature

11th percentile

Low temperature

80th percentile

Rainfall

96th percentile

Wind

81th 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 17.3°C, versus 16.2°C on this specific day.

Sun & daylight

Sunrise

07:14

Sunset

18:21

Day length

11h 8m

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
00:0007:0015.7°C14.4°C1.43.6SSW891012
01:0008:0015.4°C14.5°C1.662.9SSW881013
02:0009:0014.9°C14°C1.542.9SSW921014
03:0010:0014.2°C14.4°C0.491S931015
04:0011:0013.2°C12.2°C0.252.2SE931015
05:0012:0012.8°C11.4°C0.022.8SE941015
06:0013:0013.2°C12°C02.5SE931016
07:0014:0012.7°C11.8°C0.012ESE931016
08:0015:0013.4°C12.3°C02E861017
09:0016:0015.7°C15.2°C01.3ENE761017
10:0017:0017.6°C17.3°C0.020.3NE601018
11:0018:0018.1°C17.4°C0.040.9NW571017
12:0019:0018.7°C17.7°C0.021.4WNW571017
13:0020:0019.4°C18.2°C0.012.2WNW581017
14:0021:0020.1°C18.4°C02.7WNW541017
15:0022:0020.5°C18.3°C03.3WNW521016
16:0023:0020.4°C17.9°C03.8WNW531016
17:0000:0020°C17.4°C03.9NW541016
18:0001:0018.8°C16.5°C03.2NW561016
19:0002:0017.1°C14.6°C03NW561016
20:0003:0015°C13.2°C02.7NW741017
21:0004:0014.3°C12.6°C02.4NW761017
22:0005:0013.7°C12.3°C02.1NW791018
23:0006:0013.2°C12°C01.9NW821018

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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
Copperopolis — 38.000°, -120.750°, ERA5 grid cell center, 9.7 km from requested point
Time zone
America/Los_Angeles
What's shown here
The hourly and daily record for 17 October 2016 specifically — not a monthly average. See the Copperopolis 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 Copperopolis, United States (38.00°N, 120.75°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 Copperopolis, 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 Copperopolis, 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 Copperopolis, 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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