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Home / Pacific / 8 September 2023

Pacific

United States · 8 September 2023

← 7 September 20239 September 2023 →

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Average

20°C

low 15.2° · high 25.4°

Rainfall

0.5mm

dry day

Wind

1.8m/s

daily average

Humidity

74.4%

daily average

Cloud

38%

cover

Pressure

1017hPa

daily average

The temperature ranged from 15.2°C around 05:00 to 25.4°C around 15:00. Rain was recorded across 2 hours, from around 14:00 to 15:00 (0.5mm total).

How unusual was this day?

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

High temperature

21th percentile

Low temperature

36th percentile

Rainfall

71th percentile

Wind

26th 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 22.2°C, versus 20°C on this specific day.

Sun & daylight

Sunrise

06:38

Sunset

19:22

Day length

12h 44m

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
00:0005:0016.616.602.2ENE891015
01:0006:0017.217.301.9E851015
02:0007:0018.31901.2E801016
03:0008:0017.918.501.4E821016
04:0009:0017.618.401.2ENE851016
05:0010:0015.215.301.9NE961016
06:0011:0015.616.900.3ESE951017
07:0012:0015.316.201.1W981018
08:0013:0016.617.601.2NNW951018
09:0014:0018.619.801.2NW861018
10:0015:0021.923.101.3NNW711018
11:0016:0022.62302N641018
12:0017:002423.602.7N561018
13:0018:0024.724.302.7NNE531018
14:0019:002524.60.242.5NNE511017
15:0020:0025.424.90.142.5NNE481017
16:0021:0025.424.80.092.4NNE481017
17:0022:0023.723.701.8N551017
18:0023:0023.123.701.4N601017
19:0000:0022.223.301.3WNW681017
20:0001:0019.820.302NW771018
21:0002:0018.71902NW801018
22:0003:0017.517.502NW831019
23:0004:0017.717.602.2N811019

Same date, other years

202520242022202120202019201820172016

Nearby cities

Wildwood

0km away, same day

Eureka

0km away, same day

Gray Summit

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
Pacific — 38.500°, -90.750°, ERA5 grid cell center, 2.1 km from requested point
Time zone
America/Chicago
What's shown here
The hourly and daily record for 8 September 2023 specifically — not a monthly average. See the Pacific 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 (2026-07-16). Historical climate data for Pacific, 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 Pacific, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 16, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Pacific, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 16, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Pacific, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-16},
  url = {https://www.pastclimate.com/}
}

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