Home / Romulus / 5 January 2020
Romulus
United States · 5 January 2020
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Average
0.2°C
low -2°C · high 3.7°C
Rainfall
0.8mm
dry day
Wind
4.7m/s
daily average
Humidity
71.3%
daily average
Cloud
81%
cover
Pressure
1016hPa
daily average
The temperature ranged from -2°C around 08:00 to 3.7°C around 23:00. Rain was recorded across 2 hours, from around 16:00 to 17:00 (0.8mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
64th percentile
Low temperature
58th percentile
Rainfall
59th percentile
Wind
72th 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 -1.6°C, versus 0.2°C on this specific day.
Sun & daylight
Sunrise
08:02
Sunset
17:15
Day length
9h 13m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Detroit.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 05:00 | -0.7°C | -6.7°C | 0 | 4.8 | WNW | 67 | 1018 |
| 01:00 | 06:00 | -1°C | -7°C | 0 | 4.6 | WNW | 68 | 1018 |
| 02:00 | 07:00 | -1.2°C | -7°C | 0 | 4.4 | WNW | 69 | 1019 |
| 03:00 | 08:00 | -1.2°C | -6.8°C | 0 | 4.2 | W | 69 | 1020 |
| 04:00 | 09:00 | -1.3°C | -6.8°C | 0 | 4 | W | 71 | 1020 |
| 05:00 | 10:00 | -1.7°C | -6.3°C | 0 | 2.6 | W | 66 | 1020 |
| 06:00 | 11:00 | -1.9°C | -6.4°C | 0 | 2.4 | W | 68 | 1021 |
| 07:00 | 12:00 | -1.9°C | -6.2°C | 0 | 2.1 | WSW | 69 | 1021 |
| 08:00 | 13:00 | -2°C | -6.4°C | 0 | 2.3 | SW | 72 | 1021 |
| 09:00 | 14:00 | -0.9°C | -5.7°C | 0 | 3 | SW | 70 | 1022 |
| 10:00 | 15:00 | -0.2°C | -5.4°C | 0 | 3.7 | SW | 72 | 1021 |
| 11:00 | 16:00 | 0.1°C | -5.7°C | 0 | 4.5 | SSW | 69 | 1020 |
| 12:00 | 17:00 | 0.2°C | -6°C | 0 | 5.1 | SSW | 68 | 1019 |
| 13:00 | 18:00 | 0.2°C | -5.6°C | 0 | 4.6 | SSW | 66 | 1017 |
| 14:00 | 19:00 | 0.7°C | -5.6°C | 0.01 | 5.2 | SSW | 64 | 1015 |
| 15:00 | 20:00 | 0.4°C | -5.9°C | 0.02 | 5.4 | S | 70 | 1013 |
| 16:00 | 21:00 | 0°C | -5.7°C | 0.29 | 4.7 | S | 79 | 1012 |
| 17:00 | 22:00 | 0.5°C | -5.4°C | 0.41 | 5.1 | SSW | 82 | 1012 |
| 18:00 | 23:00 | 1.2°C | -5°C | 0.06 | 5.5 | SSW | 78 | 1011 |
| 19:00 | 00:00 | 2.1°C | -4.4°C | 0.02 | 6.2 | SW | 75 | 1010 |
| 20:00 | 01:00 | 2.6°C | -4.4°C | 0.01 | 6.9 | WSW | 75 | 1010 |
| 21:00 | 02:00 | 3°C | -4.3°C | 0 | 7.6 | W | 76 | 1010 |
| 22:00 | 03:00 | 3.5°C | -3.7°C | 0 | 7.4 | W | 75 | 1010 |
| 23:00 | 04:00 | 3.7°C | -3.1°C | 0 | 6.9 | W | 74 | 1010 |
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
- Romulus — 42.250°, -83.500°, ERA5 grid cell center, 9.1 km from requested point
- Time zone
- America/Detroit
- What's shown here
- The hourly and daily record for 5 January 2020 specifically — not a monthly average. See the Romulus 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 Romulus, United States (42.25°N, 83.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Romulus, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 21, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Romulus, 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 Romulus, 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.