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Gray Summit

United States · 31 August 2016

Gray SummitUnited States3:07 PM localChange location

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Average

23.9°C

low 20.9° · high 28.3°

Rainfall

4.7mm

rain recorded

Wind

1.6m/s

daily average

Humidity

87.6%

daily average

Cloud

95%

cover

Pressure

1017hPa

daily average

The temperature ranged from 20.9°C around 05:00 to 28.3°C around 14:00. Rain was recorded across 5 hours, from around 10:00 to 17:00 (4.7mm total).

How unusual was this day?

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

High temperature

50th percentile

Low temperature

70th percentile

Rainfall

86th percentile

Wind

16th 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 23.4°C, versus 23.9°C on this specific day.

Sun & daylight

Sunrise

06:31

Sunset

19:33

Day length

13h 2m

Hour by hour

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

↓ 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
00:0005:0022.326.301NNE981019
01:0006:0022.426.700.6NW981019
02:0007:0022.126.200.7WSW981018
03:0008:0021.825.201.5WSW981018
04:0009:0021.624.801.6WNW981017
05:0010:0020.924.300.7SSW981018
06:0011:002124.700.4NW981018
07:0012:0021.32500.5NW971018
08:0013:0021.924.901.9NNW971018
09:0014:0023.126.40.032.1NNW951018
10:0015:0024.527.50.181.7N811018
11:0016:0025.829.50.061.3NNW791018
12:0017:0027.331.10.071.5NW741018
13:0018:0028.331.90.072NW711017
14:0019:0028.331.73.392.3NNW711017
15:0020:0027.230.30.322.7NNW761017
16:0021:0025.528.70.32.3NNW831016
17:0022:0025.6300.191.1NW841016
18:0023:0025.429.20.061.8NNW851016
19:0000:002528.501.7NW831016
20:0001:0023.626.101.9NNW821016
21:0002:0023.325.602NNW821017
22:0003:0022.324.40.062.5NNW881017
23:0004:0022.424.402.7N891017

Same date, other years

202520242023202220212020201920182017

Nearby cities

Wildwood

0km away, same day

Eureka

0km away, same day

Pacific

0km away, same day

Ballwin

21.8km away, same day

Kirkwood

21.8km away, same day

Arnold

21.8km 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
Gray Summit — 38.500°, -90.750°, ERA5 grid cell center, 5.9 km from requested point
Time zone
America/Chicago
What's shown here
The hourly and daily record for 31 August 2016 specifically — not a monthly average. See the Gray Summit 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 Gray Summit, United States (38.50°N, 90.75°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 Gray Summit, 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 Gray Summit, 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 Gray Summit, 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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