Home / Box Elder / 31 May 2021
Box Elder
United States · 31 May 2021
Average
16.4°C
low 6.7°C · high 23.5°C
Rainfall
0mm
dry day
Wind
3.7m/s
daily average
Humidity
48.8%
daily average
Cloud
28%
cover
Pressure
1020hPa
daily average
The temperature ranged from 6.7°C around 05:00 to 23.5°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
44th percentile
Low temperature
13th percentile
Rainfall
36th percentile
Wind
59th 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 17.5°C, versus 16.4°C on this specific day.
Sun & daylight
Sunrise
05:12
Sunset
20:27
Day length
15h 15m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Denver.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 06:00 | 11.2°C | 7.7°C | 0 | 3.1 | SW | 60 | 1021 |
| 01:00 | 07:00 | 10.1°C | 6.5°C | 0 | 3.1 | WSW | 63 | 1021 |
| 02:00 | 08:00 | 9.2°C | 5.7°C | 0 | 2.9 | W | 66 | 1021 |
| 03:00 | 09:00 | 7.1°C | 3.7°C | 0 | 2.6 | W | 71 | 1021 |
| 04:00 | 10:00 | 6.9°C | 3.3°C | 0 | 2.3 | W | 63 | 1021 |
| 05:00 | 11:00 | 6.7°C | 3.5°C | 0 | 2 | W | 66 | 1021 |
| 06:00 | 12:00 | 6.9°C | 3.8°C | 0 | 2 | W | 69 | 1022 |
| 07:00 | 13:00 | 8.8°C | 5.9°C | 0 | 2.1 | WSW | 69 | 1022 |
| 08:00 | 14:00 | 13.1°C | 11.3°C | 0 | 1.2 | SW | 63 | 1022 |
| 09:00 | 15:00 | 19.3°C | 17.2°C | 0 | 1.9 | S | 44 | 1022 |
| 10:00 | 16:00 | 20.1°C | 17.5°C | 0 | 2.9 | S | 44 | 1021 |
| 11:00 | 17:00 | 22.3°C | 19°C | 0 | 3.6 | S | 37 | 1021 |
| 12:00 | 18:00 | 22.7°C | 18.9°C | 0 | 4.1 | S | 33 | 1021 |
| 13:00 | 19:00 | 22.9°C | 18.9°C | 0 | 4.3 | S | 32 | 1020 |
| 14:00 | 20:00 | 23.3°C | 19°C | 0 | 4.5 | S | 31 | 1020 |
| 15:00 | 21:00 | 23.4°C | 18.8°C | 0 | 4.7 | S | 28 | 1019 |
| 16:00 | 22:00 | 23.5°C | 18.5°C | 0 | 5.7 | S | 31 | 1018 |
| 17:00 | 23:00 | 23.4°C | 19°C | 0 | 4.9 | SSW | 32 | 1018 |
| 18:00 | 00:00 | 23.3°C | 19.3°C | 0 | 4.4 | S | 33 | 1017 |
| 19:00 | 01:00 | 22.6°C | 19°C | 0 | 4.1 | S | 36 | 1017 |
| 20:00 | 02:00 | 20.2°C | 16.2°C | 0 | 4.7 | S | 42 | 1017 |
| 21:00 | 03:00 | 16.5°C | 11.9°C | 0 | 5.4 | S | 51 | 1017 |
| 22:00 | 04:00 | 15.5°C | 10.5°C | 0 | 5.7 | S | 51 | 1018 |
| 23:00 | 05:00 | 14.7°C | 9.5°C | 0 | 5.8 | SSW | 53 | 1018 |
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
- Box Elder — 44.000°, -103.000°, ERA5 grid cell center, 13.6 km from requested point
- Time zone
- America/Denver
- What's shown here
- The hourly and daily record for 31 May 2021 specifically — not a monthly average. See the Box Elder 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 (2026-07-20). Historical climate data for Box Elder, United States (44.00°N, 103.00°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Box Elder, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Box Elder, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 20, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Box Elder, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-20},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.