Home / Thermal / 20 August 2024
Thermal
United States · 20 August 2024
← 19 August 202421 August 2024 →
Average
32.7°C
low 22.2°C · high 40.5°C
Rainfall
0mm
dry day
Wind
1.7m/s
daily average
Humidity
11.9%
daily average
Cloud
1%
cover
Pressure
1012hPa
daily average
The temperature ranged from 22.2°C around 06:00 to 40.5°C around 16:00. No measurable rain was recorded during the day.
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
85th percentile
Low temperature
21th percentile
Rainfall
74th percentile
Wind
38th 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 31°C, versus 32.7°C on this specific day.
Sun & daylight
Sunrise
06:10
Sunset
19:24
Day length
13h 14m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Los_Angeles.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 07:00 | 29.8°C | 25.8°C | 0 | 1.7 | W | 9 | 1012 |
| 01:00 | 08:00 | 29.1°C | 25.2°C | 0 | 1.6 | WNW | 9 | 1012 |
| 02:00 | 09:00 | 27.3°C | 23.6°C | 0 | 1.5 | WNW | 12 | 1012 |
| 03:00 | 10:00 | 26.3°C | 22.5°C | 0 | 1.5 | NW | 12 | 1012 |
| 04:00 | 11:00 | 25.1°C | 21.4°C | 0 | 1.4 | NW | 12 | 1012 |
| 05:00 | 12:00 | 23.5°C | 20.1°C | 0 | 1.3 | NW | 15 | 1012 |
| 06:00 | 13:00 | 22.2°C | 18.8°C | 0 | 1 | NW | 16 | 1012 |
| 07:00 | 14:00 | 22.7°C | 19.6°C | 0 | 0.8 | NW | 16 | 1013 |
| 08:00 | 15:00 | 27.5°C | 24.5°C | 0 | 1 | WNW | 14 | 1013 |
| 09:00 | 16:00 | 31.6°C | 29.3°C | 0 | 0.5 | WNW | 13 | 1013 |
| 10:00 | 17:00 | 34.7°C | 31.7°C | 0 | 1.3 | S | 10 | 1013 |
| 11:00 | 18:00 | 37.2°C | 33.8°C | 0 | 1.8 | SSE | 9 | 1013 |
| 12:00 | 19:00 | 38.3°C | 35.2°C | 0 | 2.1 | SSE | 11 | 1013 |
| 13:00 | 20:00 | 39°C | 36.3°C | 0 | 2.1 | S | 12 | 1012 |
| 14:00 | 21:00 | 40.2°C | 37.6°C | 0 | 2.1 | S | 12 | 1011 |
| 15:00 | 22:00 | 40.3°C | 38°C | 0 | 1.8 | SSW | 12 | 1011 |
| 16:00 | 23:00 | 40.5°C | 37.8°C | 0 | 2.1 | SSW | 11 | 1010 |
| 17:00 | 00:00 | 40.1°C | 37.2°C | 0 | 2.3 | SSW | 11 | 1010 |
| 18:00 | 01:00 | 39.2°C | 35.6°C | 0 | 2.8 | SW | 10 | 1009 |
| 19:00 | 02:00 | 37.3°C | 34.1°C | 0 | 2.4 | SW | 12 | 1009 |
| 20:00 | 03:00 | 35.9°C | 32.5°C | 0 | 2.1 | SW | 11 | 1010 |
| 21:00 | 04:00 | 34.4°C | 31°C | 0 | 1.9 | WSW | 11 | 1011 |
| 22:00 | 05:00 | 32.7°C | 29.3°C | 0 | 1.8 | WSW | 12 | 1012 |
| 23:00 | 06:00 | 31.1°C | 27.9°C | 0 | 1.8 | WSW | 13 | 1012 |
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
- Thermal — 33.750°, -116.250°, ERA5 grid cell center, 15.9 km from requested point
- Time zone
- America/Los_Angeles
- What's shown here
- The hourly and daily record for 20 August 2024 specifically — not a monthly average. See the Thermal 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 Thermal, United States (33.75°N, 116.25°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Thermal, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Thermal, 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 Thermal, 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.