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Boulder

United States · 11 June 2016

BoulderUnited States1:20 AM localChange location

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Average

12.2°C

low 9.7° · high 14.4°

Rainfall

1.8mm

rain recorded

Wind

2.1m/s

daily average

Humidity

78.2%

daily average

Cloud

91%

cover

Pressure

1014hPa

daily average

The temperature ranged from 9.7°C around 22:00 to 14.4°C around 15:00. Rain was recorded across 4 hours, from around 17:00 to 20:00 (1.8mm total).

How unusual was this day?

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

High temperature

17th percentile

Low temperature

81th percentile

Rainfall

56th percentile

Wind

52th 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 13.1°C, versus 12.2°C on this specific day.

Sun & daylight

Sunrise

05:35

Sunset

21:19

Day length

15h 44m

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
00:0006:001412.702.2NW821009
01:0007:0013.412.102.1NNW831010
02:0008:0012.911.502NNW821010
03:0009:0011.19.40.011.8NNW821010
04:0010:0010.99.50.022NW911011
05:0011:0011.29.40.032.3NW871012
06:0012:0011.19.30.022.2NW871013
07:0013:0010.88.80.022.3NW851013
08:0014:0011.38.90.042.6NW791014
09:0015:0012.410.10.032.5NW731014
10:0016:0013.21102.6NW731015
11:0017:001310.602.6NW691014
12:0018:0013.711.402.5NW681014
13:0019:0013.511.20.022.6NW691014
14:0020:0014.311.90.012.8NW651014
15:0021:0014.411.30.013.5NW631014
16:0022:001411.30.033.1NNW661014
17:0023:001310.60.182.5NNW681014
18:0000:0012.410.90.491.5NNW771015
19:0001:0011.3100.61.5N841015
20:0002:0010.9100.261.1NNW891015
21:0003:009.89.10.050.6NW931016
22:0004:009.78.60.010.8W861017
23:0005:00107.801.8WNW771018

Same date, other years

202520242023202220212020201920182017

Nearby cities

Helena

27.8km away, same day

Helena Valley Southeast

27.8km away, same day

Montana City

27.8km away, same day

East Helena

27.8km away, same day

Townsend

38.4km away, same day

Butte

47.5km away, same day

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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
Boulder — 46.250°, -112.000°, ERA5 grid cell center, 9.4 km from requested point
Time zone
America/Denver
What's shown here
The hourly and daily record for 11 June 2016 specifically — not a monthly average. See the Boulder 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 (2026-07-18). Historical climate data for Boulder, United States (46.25°N, 112.00°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 Boulder, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 18, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Boulder, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 18, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Boulder, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-18},
  url = {https://www.pastclimate.com/}
}

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