Home / Silverton / 18 December 2017
Silverton
United States · 18 December 2017
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Average
8.2°C
low 5.2°C · high 10.3°C
Rainfall
2.3mm
rain recorded
Wind
3.6m/s
daily average
Humidity
89.8%
daily average
Cloud
98%
cover
Pressure
1021hPa
daily average
The temperature ranged from 5.2°C around 00:00 to 10.3°C around 16:00. Rain was recorded across 6 hours, from around 05:00 to 23:00 (2.3mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
74th percentile
Low temperature
70th percentile
Rainfall
39th percentile
Wind
77th 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 5.6°C, versus 8.2°C on this specific day.
Sun & daylight
Sunrise
07:44
Sunset
16:30
Day length
8h 46m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Los_Angeles.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 08:00 | 5.2°C | 1°C | 0.02 | 3.6 | S | 82 | 1021 |
| 01:00 | 09:00 | 6.2°C | 2.3°C | 0.02 | 3.6 | S | 87 | 1021 |
| 02:00 | 10:00 | 6.1°C | 2.2°C | 0.07 | 3.7 | S | 86 | 1021 |
| 03:00 | 11:00 | 6.7°C | 2.7°C | 0.01 | 3.9 | S | 86 | 1021 |
| 04:00 | 12:00 | 7.1°C | 3.2°C | 0.05 | 3.9 | S | 87 | 1021 |
| 05:00 | 13:00 | 7.1°C | 3.4°C | 0.23 | 4 | S | 90 | 1021 |
| 06:00 | 14:00 | 7°C | 3.3°C | 0.43 | 4 | S | 93 | 1021 |
| 07:00 | 15:00 | 7.7°C | 4.1°C | 0.41 | 3.9 | S | 91 | 1022 |
| 08:00 | 16:00 | 7.4°C | 3.8°C | 0.2 | 3.9 | S | 93 | 1022 |
| 09:00 | 17:00 | 7.7°C | 4.1°C | 0.07 | 4 | S | 93 | 1023 |
| 10:00 | 18:00 | 7.8°C | 4.2°C | 0.02 | 4 | S | 92 | 1023 |
| 11:00 | 19:00 | 8.3°C | 4.9°C | 0.14 | 3.9 | S | 92 | 1023 |
| 12:00 | 20:00 | 8.7°C | 5.4°C | 0.05 | 3.9 | S | 92 | 1022 |
| 13:00 | 21:00 | 9.4°C | 6.4°C | 0.03 | 3.8 | S | 92 | 1022 |
| 14:00 | 22:00 | 9.9°C | 7.1°C | 0.06 | 3.3 | S | 89 | 1021 |
| 15:00 | 23:00 | 10°C | 7.3°C | 0.09 | 3.2 | S | 89 | 1021 |
| 16:00 | 00:00 | 10.3°C | 7.8°C | 0.05 | 3 | S | 88 | 1020 |
| 17:00 | 01:00 | 9.5°C | 7°C | 0.05 | 2.9 | S | 89 | 1020 |
| 18:00 | 02:00 | 9.5°C | 6.9°C | 0.03 | 3 | S | 90 | 1020 |
| 19:00 | 03:00 | 8.9°C | 6.2°C | 0.02 | 3.1 | S | 93 | 1019 |
| 20:00 | 04:00 | 8.8°C | 6°C | 0.01 | 3.2 | S | 92 | 1019 |
| 21:00 | 05:00 | 8.8°C | 5.8°C | 0.03 | 3.5 | S | 91 | 1018 |
| 22:00 | 06:00 | 9°C | 5.8°C | 0.05 | 3.8 | S | 91 | 1017 |
| 23:00 | 07:00 | 8.7°C | 5.1°C | 0.18 | 4.2 | S | 91 | 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
- Silverton — 45.000°, -122.750°, ERA5 grid cell center, 2.7 km from requested point
- Time zone
- America/Los_Angeles
- What's shown here
- The hourly and daily record for 18 December 2017 specifically — not a monthly average. See the Silverton 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 Silverton, United States (45.00°N, 122.75°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Silverton, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Silverton, 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 Silverton, 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.