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Circle

United States · 14 May 2021

CircleUnited States10:55 AM localChange location
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← 13 May 202115 May 2021 →

Average

13°C

low 6.9°C · high 18.5°C

Rainfall

1mm

rain recorded

Wind

1.9m/s

daily average

Humidity

57.2%

daily average

Cloud

33%

cover

Pressure

1017hPa

daily average

The temperature ranged from 6.9°C around 05:00 to 18.5°C around 12:00. Rain was recorded across 2 hours, from around 15:00 to 18:00 (1mm total).

How unusual was this day?

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

High temperature

48th percentile

Low temperature

54th percentile

Rainfall

64th percentile

Wind

0th 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 12.8°C, versus 13°C on this specific day.

Sun & daylight

Sunrise

05:25

Sunset

20:31

Day length

15h 6m

Hour by hour

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

↓ 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
00:0006:008.4°C5.1°C02.3WSW631018
01:0007:008.7°C5.4°C02.2WSW621018
02:0008:007.9°C4.6°C02.1WSW651018
03:0009:007°C3.8°C02.1SW671018
04:0010:007°C3.7°C02.4WSW711018
05:0011:006.9°C3.6°C0.012.4WSW721018
06:0012:007.1°C4°C0.012.1W721018
07:0013:007.7°C4.6°C0.012.3W731018
08:0014:0012.7°C10.4°C0.011.6WNW591018
09:0015:0015.3°C13.2°C01.6NW531018
10:0016:0015.9°C13.8°C01.5NNW511018
11:0017:0018.3°C16.2°C0.021.3NNE401017
12:0018:0018.5°C16.9°C0.030.6ENE411017
13:0019:0018.2°C16.7°C0.060.3S401016
14:0020:0018°C16°C0.080.9NW401016
15:0021:0017.8°C15.5°C0.561.5NNW411016
16:0022:0017.3°C14.5°C0.072.8N491016
17:0023:0017.5°C15.2°C0.032.2N491015
18:0000:0017.4°C15.1°C0.122.1NNE481015
19:0001:0017.6°C15°C02.1NE441015
20:0002:0014.4°C12.1°C01.9ENE561015
21:0003:0011.1°C8.5°C02.4E701016
22:0004:0011.7°C9.1°C02.4ESE691016
23:0005:008.7°C6.1°C02.3SE821016

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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
Circle — 47.500°, -105.500°, ERA5 grid cell center, 11.6 km from requested point
Time zone
America/Denver
What's shown here
The hourly and daily record for 14 May 2021 specifically — not a monthly average. See the Circle 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 (2026-07-20). Historical climate data for Circle, United States (47.50°N, 105.50°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 Circle, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Circle, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 20, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Circle, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-20},
  url = {https://www.pastclimate.com/}
}

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