Williston
United States · 9 May 2018
Average
14°C
low 7.4°C · high 19.2°C
Rainfall
4.4mm
rain recorded
Wind
4.9m/s
daily average
Humidity
59.5%
daily average
Cloud
58%
cover
Pressure
1013hPa
daily average
The temperature ranged from 7.4°C around 23:00 to 19.2°C around 15:00. Rain was recorded across 5 hours, from around 00:00 to 04:00 (4.4mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
53th percentile
Low temperature
73th percentile
Rainfall
89th percentile
Wind
65th 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 12°C, versus 14°C on this specific day.
Sun & daylight
Sunrise
06:22
Sunset
21:19
Day length
14h 57m
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 | 13.5°C | 11.7°C | 0.85 | 2.8 | WSW | 81 | 1010 |
| 01:00 | 06:00 | 12.9°C | 11.3°C | 1.83 | 2.5 | WSW | 85 | 1010 |
| 02:00 | 07:00 | 12.6°C | 11°C | 0.43 | 2.5 | WSW | 86 | 1010 |
| 03:00 | 08:00 | 11.2°C | 9.4°C | 0.99 | 2.4 | W | 91 | 1010 |
| 04:00 | 09:00 | 11°C | 9°C | 0.29 | 2.8 | WNW | 90 | 1010 |
| 05:00 | 10:00 | 10.9°C | 8.4°C | 0.02 | 3.5 | NW | 92 | 1010 |
| 06:00 | 11:00 | 10.7°C | 7.8°C | 0 | 3.9 | NW | 92 | 1011 |
| 07:00 | 12:00 | 10.5°C | 6.9°C | 0 | 4.9 | NW | 93 | 1012 |
| 08:00 | 13:00 | 10.4°C | 6.6°C | 0 | 5.3 | NW | 95 | 1013 |
| 09:00 | 14:00 | 11.4°C | 6.2°C | 0.01 | 7 | NNW | 83 | 1013 |
| 10:00 | 15:00 | 14.4°C | 9.5°C | 0 | 6.9 | NNW | 72 | 1013 |
| 11:00 | 16:00 | 15.7°C | 10.7°C | 0 | 7 | NNW | 66 | 1013 |
| 12:00 | 17:00 | 17.9°C | 12.2°C | 0 | 7.1 | NNW | 47 | 1013 |
| 13:00 | 18:00 | 18.8°C | 13.3°C | 0 | 7 | NNW | 47 | 1013 |
| 14:00 | 19:00 | 19.1°C | 13.8°C | 0 | 7 | NNW | 50 | 1013 |
| 15:00 | 20:00 | 19.2°C | 13.5°C | 0 | 6.6 | NNW | 41 | 1014 |
| 16:00 | 21:00 | 19°C | 12.9°C | 0 | 6.4 | NNW | 33 | 1014 |
| 17:00 | 22:00 | 17.7°C | 11°C | 0 | 6.5 | N | 27 | 1014 |
| 18:00 | 23:00 | 17.6°C | 10.8°C | 0 | 6.1 | N | 22 | 1014 |
| 19:00 | 00:00 | 17.1°C | 10.3°C | 0 | 5.7 | NNE | 19 | 1014 |
| 20:00 | 01:00 | 16.4°C | 10.5°C | 0 | 4.5 | NNE | 19 | 1015 |
| 21:00 | 02:00 | 12.3°C | 7.2°C | 0 | 3.3 | NNE | 27 | 1015 |
| 22:00 | 03:00 | 8°C | 2.9°C | 0 | 3.3 | NNE | 34 | 1016 |
| 23:00 | 04:00 | 7.4°C | 2.1°C | 0 | 3.6 | NE | 35 | 1017 |
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
- Williston — 48.250°, -103.500°, ERA5 grid cell center, 14.4 km from requested point
- Time zone
- America/Chicago
- What's shown here
- The hourly and daily record for 9 May 2018 specifically — not a monthly average. See the Williston 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 Williston, United States (48.25°N, 103.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Williston, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Williston, 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 Williston, 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.