Cheyenne
United States · 18 May 2017
Average
0.9°C
low -1.4°C · high 4.7°C
Rainfall
49.7mm
rain recorded
Wind
6.6m/s
daily average
Humidity
97.9%
daily average
Cloud
100%
cover
Pressure
1015hPa
daily average
The temperature ranged from -1.4°C around 18:00 to 4.7°C around 00:00. Rain was recorded across 24 hours, from around 00:00 to 23:00 (49.7mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
4th percentile
Low temperature
1th percentile
Rainfall
100th percentile
Wind
93th 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 11.7°C, versus 0.9°C on this specific day.
Sun & daylight
Sunrise
05:37
Sunset
20:13
Day length
14h 37m
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 | 4.7°C | 0.7°C | 0.42 | 3.9 | NNE | 100 | 1010 |
| 01:00 | 07:00 | 4.5°C | 1.1°C | 2.03 | 3.1 | NNE | 98 | 1010 |
| 02:00 | 08:00 | 4.5°C | 1.4°C | 2.14 | 2.7 | NE | 100 | 1010 |
| 03:00 | 09:00 | 3.7°C | -1.6°C | 2.23 | 5.7 | NE | 100 | 1010 |
| 04:00 | 10:00 | 2.3°C | -4.5°C | 1.78 | 7.5 | ENE | 100 | 1013 |
| 05:00 | 11:00 | 2.2°C | -4.5°C | 1.75 | 7.2 | NE | 99 | 1012 |
| 06:00 | 12:00 | 2.1°C | -4.4°C | 1.57 | 7 | NE | 98 | 1012 |
| 07:00 | 13:00 | 1.9°C | -4.9°C | 1.79 | 7.2 | NE | 97 | 1013 |
| 08:00 | 14:00 | 1.5°C | -5.6°C | 2.19 | 7.6 | NE | 97 | 1013 |
| 09:00 | 15:00 | 1.4°C | -5.5°C | 2.11 | 7.1 | NNE | 97 | 1014 |
| 10:00 | 16:00 | 0.8°C | -5.4°C | 2.39 | 6.1 | NNE | 97 | 1014 |
| 11:00 | 17:00 | 0.8°C | -5.8°C | 2.46 | 6.7 | NNE | 97 | 1014 |
| 12:00 | 18:00 | 0.5°C | -5.9°C | 2.5 | 6.4 | NNE | 98 | 1015 |
| 13:00 | 19:00 | 0°C | -6.2°C | 2.77 | 6 | NNE | 100 | 1015 |
| 14:00 | 20:00 | -0.3°C | -6.6°C | 2.75 | 6.1 | NNE | 100 | 1015 |
| 15:00 | 21:00 | -0.9°C | -7.8°C | 2.82 | 6.9 | NNE | 100 | 1016 |
| 16:00 | 22:00 | -1°C | -9.6°C | 2.68 | 9.2 | N | 100 | 1021 |
| 17:00 | 23:00 | -1.3°C | -10.5°C | 2.52 | 9.9 | N | 100 | 1021 |
| 18:00 | 00:00 | -1.4°C | -9.8°C | 2.38 | 8.7 | N | 98 | 1021 |
| 19:00 | 01:00 | -1.2°C | -8.6°C | 2.22 | 7.3 | NNW | 96 | 1021 |
| 20:00 | 02:00 | -1.2°C | -8.6°C | 1.91 | 7.3 | NNW | 95 | 1021 |
| 21:00 | 03:00 | -0.7°C | -7.9°C | 1.67 | 7.1 | NNW | 95 | 1021 |
| 22:00 | 04:00 | -0.7°C | -7.5°C | 1.35 | 6.6 | N | 95 | 1021 |
| 23:00 | 05:00 | -0.9°C | -7.4°C | 1.29 | 6.1 | N | 95 | 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
- Cheyenne — 41.250°, -104.750°, ERA5 grid cell center, 13.6 km from requested point
- Time zone
- America/Denver
- What's shown here
- The hourly and daily record for 18 May 2017 specifically — not a monthly average. See the Cheyenne 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 Cheyenne, United States (41.25°N, 104.75°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Cheyenne, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Cheyenne, 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 Cheyenne, 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.