Home / Sylva / 28 September 2017
Sylva
United States · 28 September 2017
← 27 September 201729 September 2017 →
Average
20°C
low 13.9° · high 27.7°
Rainfall
0mm
dry day
Wind
1.9m/s
daily average
Humidity
75.6%
daily average
Cloud
15%
cover
Pressure
1015hPa
daily average
The temperature ranged from 13.9°C around 05:00 to 27.7°C around 16:00. 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
94th percentile
Low temperature
61th percentile
Rainfall
41th percentile
Wind
78th 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 16.8°C, versus 20°C on this specific day.
Sun & daylight
Sunrise
07:25
Sunset
19:20
Day length
11h 55m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/New_York.
Cumulative rainfall through the day.
| Local time | UTC | Temp °C | Feels °C | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 04:00 | 17 | 17.3 | 0 | 1.9 | N | 90 | 1015 |
| 01:00 | 05:00 | 15.8 | 16 | 0 | 2 | N | 94 | 1015 |
| 02:00 | 06:00 | 15.3 | 15.4 | 0 | 2.1 | N | 96 | 1015 |
| 03:00 | 07:00 | 14.9 | 14.9 | 0 | 1.9 | N | 97 | 1015 |
| 04:00 | 08:00 | 14.3 | 14.2 | 0 | 2 | N | 98 | 1015 |
| 05:00 | 09:00 | 13.9 | 13.6 | 0 | 2 | N | 97 | 1015 |
| 06:00 | 10:00 | 14 | 14.1 | 0 | 1.7 | N | 100 | 1016 |
| 07:00 | 11:00 | 14 | 13.8 | 0 | 2 | N | 99 | 1016 |
| 08:00 | 12:00 | 13.9 | 13.7 | 0 | 2 | N | 99 | 1016 |
| 09:00 | 13:00 | 16.7 | 17.6 | 0 | 1.5 | N | 95 | 1017 |
| 10:00 | 14:00 | 21 | 22.5 | 0 | 1.3 | N | 77 | 1017 |
| 11:00 | 15:00 | 24 | 24.4 | 0 | 1.2 | NNW | 53 | 1017 |
| 12:00 | 16:00 | 24.9 | 25.2 | 0 | 1.2 | NW | 50 | 1016 |
| 13:00 | 17:00 | 25.9 | 26 | 0 | 1.3 | NW | 45 | 1015 |
| 14:00 | 18:00 | 27 | 27.2 | 0 | 1.4 | NW | 44 | 1015 |
| 15:00 | 19:00 | 27.3 | 27.1 | 0 | 1.7 | NNW | 42 | 1014 |
| 16:00 | 20:00 | 27.7 | 27 | 0 | 2.2 | NNW | 40 | 1014 |
| 17:00 | 21:00 | 27 | 26.3 | 0 | 2.3 | NNW | 42 | 1014 |
| 18:00 | 22:00 | 24 | 24.7 | 0.01 | 2.1 | N | 63 | 1014 |
| 19:00 | 23:00 | 23.1 | 23.6 | 0 | 2.4 | N | 67 | 1015 |
| 20:00 | 00:00 | 21.4 | 21.7 | 0 | 2.5 | N | 72 | 1015 |
| 21:00 | 01:00 | 20.4 | 20.7 | 0 | 2.4 | NNE | 76 | 1016 |
| 22:00 | 02:00 | 19.3 | 19.8 | 0 | 2.4 | N | 84 | 1017 |
| 23:00 | 03:00 | 17.6 | 18.4 | 0 | 2.2 | NNE | 95 | 1017 |
Nearby cities
Need this verified for an official or legal purpose? Request a weather verification report.
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
- Sylva — 35.250°, -83.250°, ERA5 grid cell center, 13.9 km from requested point
- Time zone
- America/New_York
- What's shown here
- The hourly and daily record for 28 September 2017 specifically — not a monthly average. See the Sylva 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 (2026-07-18). Historical climate data for Sylva, United States (35.25°N, 83.25°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Sylva, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 18, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Sylva, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 18, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Sylva, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-18},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.