Home / Arnold / 1 September 2019
Arnold
United States · 1 September 2019
← 31 August 20192 September 2019 →
Average
22.8°C
low 19.9°C · high 26.3°C
Rainfall
4.3mm
rain recorded
Wind
1.7m/s
daily average
Humidity
84.4%
daily average
Cloud
76%
cover
Pressure
1018hPa
daily average
The temperature ranged from 19.9°C around 05:00 to 26.3°C around 16:00. Rain was recorded across 10 hours, from around 02:00 to 15:00 (4.3mm 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
55th percentile
Rainfall
86th percentile
Wind
21th 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 23.5°C, versus 22.8°C on this specific day.
Sun & daylight
Sunrise
06:31
Sunset
19:32
Day length
13h 1m
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 | 22°C | 24.8°C | 0 | 1.3 | ENE | 88 | 1018 |
| 01:00 | 06:00 | 22°C | 25.1°C | 0 | 0.9 | ESE | 88 | 1018 |
| 02:00 | 07:00 | 22°C | 25.5°C | 0.21 | 0.3 | SSE | 88 | 1018 |
| 03:00 | 08:00 | 21.7°C | 24.6°C | 1.09 | 1.2 | WNW | 90 | 1018 |
| 04:00 | 09:00 | 21.8°C | 24.8°C | 1.32 | 1.3 | NW | 92 | 1018 |
| 05:00 | 10:00 | 19.9°C | 23°C | 0.54 | 0.6 | WNW | 99 | 1017 |
| 06:00 | 11:00 | 20°C | 22.5°C | 0.11 | 1.5 | WNW | 99 | 1018 |
| 07:00 | 12:00 | 20.1°C | 22.3°C | 0.19 | 1.9 | W | 98 | 1019 |
| 08:00 | 13:00 | 20.1°C | 22.3°C | 0.01 | 2 | W | 98 | 1020 |
| 09:00 | 14:00 | 20.8°C | 22.9°C | 0 | 2 | WNW | 93 | 1020 |
| 10:00 | 15:00 | 22.7°C | 24.6°C | 0.05 | 1.9 | WNW | 81 | 1020 |
| 11:00 | 16:00 | 23.5°C | 25.5°C | 0.18 | 2.1 | WNW | 78 | 1020 |
| 12:00 | 17:00 | 24.1°C | 25.8°C | 0.14 | 2.5 | NW | 76 | 1020 |
| 13:00 | 18:00 | 24.6°C | 26.6°C | 0.13 | 2.4 | WNW | 75 | 1020 |
| 14:00 | 19:00 | 25.2°C | 27.4°C | 0.08 | 2.4 | WNW | 74 | 1019 |
| 15:00 | 20:00 | 26°C | 28.1°C | 0.1 | 2.2 | WNW | 69 | 1018 |
| 16:00 | 21:00 | 26.3°C | 28.1°C | 0.08 | 2.2 | WNW | 66 | 1018 |
| 17:00 | 22:00 | 25.7°C | 28.9°C | 0.03 | 1.7 | WNW | 77 | 1018 |
| 18:00 | 23:00 | 25.5°C | 28.5°C | 0 | 1.7 | WNW | 76 | 1017 |
| 19:00 | 00:00 | 25°C | 27.7°C | 0 | 1.5 | WNW | 76 | 1018 |
| 20:00 | 01:00 | 23.3°C | 25.6°C | 0 | 1.5 | WNW | 78 | 1018 |
| 21:00 | 02:00 | 22.5°C | 24.7°C | 0 | 1.7 | NW | 82 | 1018 |
| 22:00 | 03:00 | 21.1°C | 23.5°C | 0 | 1.7 | NW | 92 | 1018 |
| 23:00 | 04:00 | 20.7°C | 23.1°C | 0 | 1.4 | NW | 93 | 1019 |
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
- Arnold — 38.500°, -90.500°, ERA5 grid cell center, 13.0 km from requested point
- Time zone
- America/Chicago
- What's shown here
- The hourly and daily record for 1 September 2019 specifically — not a monthly average. See the Arnold 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 Arnold, United States (38.50°N, 90.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Arnold, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Arnold, 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 Arnold, 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.