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Frontenac

United States · 8 September 2016

FrontenacUnited States7:08 AM localChange location

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Average

24.8°C

low 21.5° · high 27.6°

Rainfall

21.2mm

rain recorded

Wind

2.5m/s

daily average

Humidity

84.3%

daily average

Cloud

98%

cover

Pressure

1014hPa

daily average

The temperature ranged from 21.5°C around 22:00 to 27.6°C around 02:00. Rain was recorded across 13 hours, from around 05:00 to 23:00 (21.2mm total).

How unusual was this day?

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

High temperature

49th percentile

Low temperature

90th percentile

Rainfall

99th percentile

Wind

59th 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 22.1°C, versus 24.8°C on this specific day.

Sun & daylight

Sunrise

06:37

Sunset

19:20

Day length

12h 43m

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
00:0005:0027.228.404.6SSW711014
01:0006:0027.628.904.7SSW711014
02:0007:0027.628.804.8SSW711013
03:0008:0027.128.304.6SSW721013
04:0009:0027.128.804.3SSW741013
05:0010:002627.70.374.3SW781012
06:0011:0025.9281.563.8SW801012
07:0012:0025.327.83.783.9SW861013
08:0013:0025.228.24.133.2WSW891014
09:0014:0024.828.13.42.7WNW891014
10:0015:0024.427.42.532.4NW861015
11:0016:0024.127.80.821.3NW871015
12:0017:0024.628.80.410.7SW861015
13:0018:0024.928.40.151.6WSW831015
14:0019:0024.928.22.511.6SW811015
15:0020:0024.427.61.091.7SW841014
16:0021:0024.727.90.311.6SW811013
17:0022:0024.328.50.021.2W911014
18:0023:0023.928.30.010.6SW911014
19:0000:0023.327.50.020.9SSW921014
20:0001:0022.726.300.8S911014
21:0002:0022.225.401.3S931014
22:0003:0021.524.90.011.5SSE991014
23:0004:002225.50.121.5S981014

Same date, other years

202520242023202220212020201920182017

Nearby cities

Saint Charles

0km away, same day

Chesterfield

0km away, same day

Maryland Heights

0km away, same day

Creve Coeur

0km away, same day

Saint Ann

0km away, same day

Bridgeton

0km 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
Frontenac — 38.750°, -90.500°, ERA5 grid cell center, 14.7 km from requested point
Time zone
America/Chicago
What's shown here
The hourly and daily record for 8 September 2016 specifically — not a monthly average. See the Frontenac 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 Frontenac, United States (38.75°N, 90.50°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 Frontenac, 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 Frontenac, 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 Frontenac, 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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