Home / Box Elder / 15 October 2021
Box Elder
United States · 15 October 2021
← 14 October 202116 October 2021 →
Average
6.3°C
low 2°C · high 11.8°C
Rainfall
0mm
dry day
Wind
4.6m/s
daily average
Humidity
50.8%
daily average
Cloud
15%
cover
Pressure
1021hPa
daily average
The temperature ranged from 2°C around 23:00 to 11.8°C around 14:00. 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
24th percentile
Low temperature
41th percentile
Rainfall
64th percentile
Wind
68th 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 9.6°C, versus 6.3°C on this specific day.
Sun & daylight
Sunrise
07:07
Sunset
18:07
Day length
11h 1m
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 | 3.1°C | -1.8°C | 0 | 3.7 | WNW | 65 | 1019 |
| 01:00 | 07:00 | 2.9°C | -2.3°C | 0 | 4 | WNW | 66 | 1019 |
| 02:00 | 08:00 | 2.7°C | -2.5°C | 0 | 4.1 | WNW | 66 | 1020 |
| 03:00 | 09:00 | 2.4°C | -3.1°C | 0 | 4.3 | WNW | 62 | 1020 |
| 04:00 | 10:00 | 2.6°C | -3.4°C | 0 | 5 | WNW | 64 | 1019 |
| 05:00 | 11:00 | 2.7°C | -3.8°C | 0 | 5.7 | WNW | 62 | 1020 |
| 06:00 | 12:00 | 2.7°C | -3.9°C | 0 | 5.9 | WNW | 60 | 1021 |
| 07:00 | 13:00 | 2.7°C | -3.5°C | 0 | 5.3 | WNW | 60 | 1021 |
| 08:00 | 14:00 | 3.7°C | -2.3°C | 0 | 5.2 | WNW | 60 | 1022 |
| 09:00 | 15:00 | 7.8°C | 1.9°C | 0 | 5 | WNW | 46 | 1023 |
| 10:00 | 16:00 | 9.3°C | 2.9°C | 0 | 5.7 | WNW | 43 | 1022 |
| 11:00 | 17:00 | 11.2°C | 4.6°C | 0 | 6 | WNW | 36 | 1022 |
| 12:00 | 18:00 | 11.4°C | 4.3°C | 0 | 6.6 | NW | 35 | 1022 |
| 13:00 | 19:00 | 11.7°C | 4.2°C | 0 | 7 | NW | 33 | 1021 |
| 14:00 | 20:00 | 11.8°C | 4.4°C | 0 | 6.9 | NW | 31 | 1021 |
| 15:00 | 21:00 | 11.8°C | 4.6°C | 0 | 6.5 | NW | 31 | 1021 |
| 16:00 | 22:00 | 10.6°C | 4.5°C | 0 | 5.1 | NW | 35 | 1021 |
| 17:00 | 23:00 | 10.4°C | 5.5°C | 0 | 3.4 | NW | 37 | 1021 |
| 18:00 | 00:00 | 9°C | 4.7°C | 0 | 2.7 | WNW | 44 | 1021 |
| 19:00 | 01:00 | 7°C | 2.9°C | 0 | 2.4 | W | 49 | 1022 |
| 20:00 | 02:00 | 5.9°C | 1.9°C | 0 | 2.4 | WSW | 52 | 1022 |
| 21:00 | 03:00 | 2.6°C | -1.8°C | 0 | 2.7 | WSW | 62 | 1023 |
| 22:00 | 04:00 | 2.5°C | -1.9°C | 0 | 2.6 | WSW | 60 | 1022 |
| 23:00 | 05:00 | 2°C | -2.4°C | 0 | 2.5 | WSW | 60 | 1022 |
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 15 October 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.