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Keyes

United States · 18 January 2016

KeyesUnited States1:58 AM localChange location
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Average

15.1°C

low 12.3°C · high 18.9°C

Rainfall

26.9mm

rain recorded

Wind

1.8m/s

daily average

Humidity

80.3%

daily average

Cloud

93%

cover

Pressure

1020hPa

daily average

The temperature ranged from 12.3°C around 23:00 to 18.9°C around 15:00. Rain was recorded across 10 hours, from around 00:00 to 16:00 (26.9mm total).

How unusual was this day?

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

High temperature

93th percentile

Low temperature

96th percentile

Rainfall

99th percentile

Wind

54th 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 10.4°C, versus 15.1°C on this specific day.

Sun & daylight

Sunrise

07:16

Sunset

17:12

Day length

9h 56m

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
00:0008:0014.6°C13.8°C1.842.4SSE881019
01:0009:0014°C13.7°C2.031.5SE891019
02:0010:0013.4°C13.4°C2.710.9ESE911018
03:0011:0013.2°C12.8°C4.231.5ESE921018
04:0012:0012.6°C12.2°C4.641.2SSE921018
05:0013:0012.7°C12.1°C6.251.5W911018
06:0014:0013°C12.5°C3.841.5WNW911019
07:0015:0013.4°C13.4°C0.970.8S891019
08:0016:0013.3°C13°C0.141W881021
09:0017:0013.9°C13.8°C0.011.1NNE901021
10:0018:0015.7°C15.6°C01.6E841022
11:0019:0017°C16.1°C02.4ESE761022
12:0020:0017.4°C16.5°C02.3SE711021
13:0021:0017.7°C16.3°C02.5SE651021
14:0022:0018.7°C16.8°C03.2E601021
15:0023:0018.9°C17.1°C0.062.8ESE591021
16:0000:0018.3°C17.5°C0.161.5SSE621021
17:0001:0017.4°C16.3°C0.031.5S621021
18:0002:0016.4°C15.1°C01.9S671021
19:0003:0015.2°C13.8°C02.7SSE781021
20:0004:0014.8°C13.7°C02.4S821021
21:0005:0014.5°C13.7°C01.8S831021
22:0006:0013.5°C12.6°C01.8S851021
23:0007:0012.3°C11.2°C01.7S891021

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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
Keyes — 37.500°, -121.000°, ERA5 grid cell center, 9.8 km from requested point
Time zone
America/Los_Angeles
What's shown here
The hourly and daily record for 18 January 2016 specifically — not a monthly average. See the Keyes 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 Keyes, United States (37.50°N, 121.00°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 Keyes, 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 Keyes, 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 Keyes, 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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