Home / Central / 9 August 2021
Central
United States · 9 August 2021
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Average
28°C
low 24.1°C · high 32.5°C
Rainfall
3.5mm
rain recorded
Wind
1.7m/s
daily average
Humidity
82.9%
daily average
Cloud
74%
cover
Pressure
1018hPa
daily average
The temperature ranged from 24.1°C around 06:00 to 32.5°C around 14:00. Rain was recorded across 4 hours, from around 10:00 to 16:00 (3.5mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
39th percentile
Low temperature
59th percentile
Rainfall
57th percentile
Wind
41th 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 28.2°C, versus 28°C on this specific day.
Sun & daylight
Sunrise
06:27
Sunset
19:51
Day length
13h 24m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Chicago.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 05:00 | 26.7°C | 31.5°C | 0 | 2.1 | S | 89 | 1018 |
| 01:00 | 06:00 | 26.3°C | 31.4°C | 0 | 1.6 | S | 91 | 1018 |
| 02:00 | 07:00 | 26.2°C | 31.5°C | 0 | 1.3 | S | 91 | 1018 |
| 03:00 | 08:00 | 25.7°C | 30.7°C | 0 | 1.5 | S | 93 | 1017 |
| 04:00 | 09:00 | 25.4°C | 30.4°C | 0 | 1.4 | S | 94 | 1018 |
| 05:00 | 10:00 | 24.5°C | 29°C | 0 | 1.7 | S | 96 | 1018 |
| 06:00 | 11:00 | 24.1°C | 28.5°C | 0 | 1.7 | SSE | 97 | 1018 |
| 07:00 | 12:00 | 24.4°C | 29.4°C | 0 | 1 | SSE | 96 | 1019 |
| 08:00 | 13:00 | 26.1°C | 31.9°C | 0 | 0.9 | SSE | 94 | 1019 |
| 09:00 | 14:00 | 28.1°C | 34.4°C | 0.03 | 1.2 | SSW | 89 | 1019 |
| 10:00 | 15:00 | 31°C | 36.3°C | 0.18 | 1.9 | SW | 73 | 1019 |
| 11:00 | 16:00 | 31.8°C | 36.9°C | 0.09 | 1.9 | SSW | 68 | 1020 |
| 12:00 | 17:00 | 32.2°C | 37.3°C | 0.09 | 1.8 | SSW | 65 | 1020 |
| 13:00 | 18:00 | 32.3°C | 37.1°C | 0.07 | 1.9 | S | 64 | 1019 |
| 14:00 | 19:00 | 32.5°C | 37.1°C | 0.1 | 2.2 | S | 63 | 1018 |
| 15:00 | 20:00 | 32.1°C | 36.3°C | 2.27 | 3.1 | SSE | 66 | 1019 |
| 16:00 | 21:00 | 29.5°C | 33.9°C | 0.7 | 2.2 | SSW | 74 | 1018 |
| 17:00 | 22:00 | 28.6°C | 33.6°C | 0 | 1.5 | WSW | 78 | 1018 |
| 18:00 | 23:00 | 29.3°C | 34.8°C | 0 | 0.9 | SW | 76 | 1018 |
| 19:00 | 00:00 | 29.1°C | 34°C | 0 | 1.9 | SSE | 77 | 1018 |
| 20:00 | 01:00 | 27.6°C | 32.7°C | 0 | 1.9 | S | 86 | 1018 |
| 21:00 | 02:00 | 27.1°C | 32.2°C | 0 | 1.8 | S | 88 | 1018 |
| 22:00 | 03:00 | 26.4°C | 31.5°C | 0 | 1.5 | SSE | 91 | 1019 |
| 23:00 | 04:00 | 26°C | 31.2°C | 0 | 1.3 | SSE | 91 | 1020 |
Nearby cities
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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
- Central — 30.500°, -91.000°, ERA5 grid cell center, 7.0 km from requested point
- Time zone
- America/Chicago
- What's shown here
- The hourly and daily record for 9 August 2021 specifically — not a monthly average. See the Central 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
PastClimate (2026-07-21). Historical climate data for Central, United States (30.50°N, 91.00°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Central, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Central, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 21, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Central, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-21},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.