Home / Berthoud / 18 May 2018

Berthoud

United States · 18 May 2018

BerthoudUnited States2:46 AM localChange location

← 17 May 201819 May 2018 →

Average

14.1°C

low 10.9° · high 18.7°

Rainfall

12.7mm

rain recorded

Wind

1.9m/s

daily average

Humidity

72.5%

daily average

Cloud

75%

cover

Pressure

1010hPa

daily average

The temperature ranged from 10.9°C around 03:00 to 18.7°C around 13:00. Rain was recorded across 8 hours, from around 13:00 to 23:00 (12.7mm total).

How unusual was this day?

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

High temperature

36th percentile

Low temperature

96th percentile

Rainfall

89th percentile

Wind

44th 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 13.6°C, versus 14.1°C on this specific day.

Sun & daylight

Sunrise

05:41

Sunset

20:12

Day length

14h 31m

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 timeUTCTemp °CFeels °CRain mmWind m/sDirHumidity %Pressure hPa
00:0006:0014.312.302.4WNW691005
01:0007:0014.212.102.2NNW651005
02:0008:00129.202.8NNW681006
03:0009:0010.98.202.6NNW741007
04:0010:0012.310.30.021.9NNE721010
05:0011:0012.710.70.011.9NNW691010
06:0012:0011.3902.3NW761012
07:0013:00129.702.8N801012
08:0014:0013.711.20.013.1NNE711012
09:0015:0015.613.802.1NE631011
10:0016:0016.114.601.8ENE631011
11:0017:0017.316.101.6E601010
12:0018:001817.30.061.1E601010
13:0019:0018.717.90.161.4E601009
14:0020:0018.217.40.051.8E641009
15:0021:0017.916.90.051.5E601009
16:0022:0015.313.70.042.3SSE701011
17:0023:0014.312.80.232ESE721011
18:0000:001412.81.121.6NE761012
19:0001:0013.212.43.291.7ENE881011
20:0002:0012.712.12.581.3NE891011
21:0003:0010.910.21.310.9NNE921011
22:0004:0011.410.32.221.4N881011
23:0005:0011.19.61.562.1NE921013

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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
Berthoud — 40.250°, -105.000°, ERA5 grid cell center, 9.5 km from requested point
Time zone
America/Denver
What's shown here
The hourly and daily record for 18 May 2018 specifically — not a monthly average. See the Berthoud 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 (2026-07-17). Historical climate data for Berthoud, United States (40.25°N, 105.00°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 Berthoud, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 17, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Berthoud, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 17, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Berthoud, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-17},
  url = {https://www.pastclimate.com/}
}

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