Post
United States · 21 May 2020
Average
25.2°C
low 16.7°C · high 34°C
Rainfall
4.1mm
rain recorded
Wind
5.2m/s
daily average
Humidity
49.4%
daily average
Cloud
25%
cover
Pressure
1006hPa
daily average
The temperature ranged from 16.7°C around 05:00 to 34°C around 16:00. Rain was recorded across 2 hours, from around 02:00 to 03:00 (4.1mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
74th percentile
Low temperature
50th percentile
Rainfall
83th percentile
Wind
64th 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°C, versus 25.2°C on this specific day.
Sun & daylight
Sunrise
06:41
Sunset
20:43
Day length
14h 2m
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 | 18.8°C | 16.7°C | 0 | 5.9 | SE | 84 | 1009 |
| 01:00 | 06:00 | 18.5°C | 15.3°C | 0 | 7.1 | SE | 82 | 1010 |
| 02:00 | 07:00 | 18.5°C | 16.2°C | 2.6 | 5.7 | SSE | 81 | 1010 |
| 03:00 | 08:00 | 18.4°C | 15.4°C | 1.49 | 6.7 | SSW | 81 | 1009 |
| 04:00 | 09:00 | 18.4°C | 14.6°C | 0 | 7.6 | S | 79 | 1008 |
| 05:00 | 10:00 | 16.7°C | 12.9°C | 0 | 6.8 | S | 78 | 1007 |
| 06:00 | 11:00 | 17°C | 13.9°C | 0 | 6 | SW | 80 | 1007 |
| 07:00 | 12:00 | 17.9°C | 14.9°C | 0 | 6.1 | SW | 79 | 1007 |
| 08:00 | 13:00 | 19.1°C | 16.1°C | 0 | 6.6 | WSW | 78 | 1008 |
| 09:00 | 14:00 | 21.1°C | 18.3°C | 0 | 6.8 | WSW | 72 | 1008 |
| 10:00 | 15:00 | 27.9°C | 26°C | 0 | 6.2 | SW | 52 | 1007 |
| 11:00 | 16:00 | 28.5°C | 26.7°C | 0 | 5.3 | WSW | 46 | 1007 |
| 12:00 | 17:00 | 30°C | 27.4°C | 0 | 4.5 | WSW | 33 | 1007 |
| 13:00 | 18:00 | 31.1°C | 28.7°C | 0 | 3.7 | WSW | 28 | 1006 |
| 14:00 | 19:00 | 31.7°C | 29.2°C | 0 | 3.7 | SW | 26 | 1005 |
| 15:00 | 20:00 | 32.2°C | 28.9°C | 0 | 4.3 | SSW | 24 | 1004 |
| 16:00 | 21:00 | 34°C | 29.9°C | 0 | 4.9 | SSW | 20 | 1003 |
| 17:00 | 22:00 | 33.3°C | 28.1°C | 0 | 6 | SSW | 18 | 1002 |
| 18:00 | 23:00 | 33.5°C | 28°C | 0 | 5.5 | SSW | 14 | 1001 |
| 19:00 | 00:00 | 32.7°C | 29°C | 0 | 3.4 | SSW | 17 | 1001 |
| 20:00 | 01:00 | 31.3°C | 29.1°C | 0 | 2.6 | SSW | 24 | 1001 |
| 21:00 | 02:00 | 27.9°C | 25.4°C | 0 | 2.8 | SSW | 28 | 1002 |
| 22:00 | 03:00 | 23.7°C | 20.7°C | 0 | 3 | SW | 33 | 1003 |
| 23:00 | 04:00 | 22.9°C | 18.6°C | 0 | 4 | SW | 27 | 1004 |
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
- Post — 33.250°, -101.500°, ERA5 grid cell center, 13.0 km from requested point
- Time zone
- America/Chicago
- What's shown here
- The hourly and daily record for 21 May 2020 specifically — not a monthly average. See the Post 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 Post, United States (33.25°N, 101.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Post, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Post, 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 Post, 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.