Home / Dacula / 27 September 2017
Dacula
United States · 27 September 2017
← 26 September 201728 September 2017 →
Average
24.5°C
low 18° · high 31.3°
Rainfall
0.1mm
dry day
Wind
1.6m/s
daily average
Humidity
73.5%
daily average
Cloud
26%
cover
Pressure
1013hPa
daily average
The temperature ranged from 18°C around 05:00 to 31.3°C around 17:00. 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
81th percentile
Low temperature
47th percentile
Rainfall
67th percentile
Wind
24th 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 21.8°C, versus 24.5°C on this specific day.
Sun & daylight
Sunrise
07:27
Sunset
19:25
Day length
11h 58m
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 | 21 | 22.6 | 0 | 1.7 | NNW | 84 | 1014 |
| 01:00 | 05:00 | 20.3 | 21.8 | 0 | 1.9 | NW | 87 | 1014 |
| 02:00 | 06:00 | 19.9 | 21.3 | 0 | 1.9 | NNW | 88 | 1014 |
| 03:00 | 07:00 | 19.4 | 20.9 | 0 | 1.8 | NNW | 90 | 1013 |
| 04:00 | 08:00 | 18.9 | 20.3 | 0 | 1.8 | NNW | 92 | 1013 |
| 05:00 | 09:00 | 18 | 19.2 | 0 | 1.8 | NNW | 94 | 1013 |
| 06:00 | 10:00 | 18.3 | 19.8 | 0 | 1.7 | N | 96 | 1013 |
| 07:00 | 11:00 | 18.2 | 19.6 | 0 | 1.6 | NNW | 96 | 1014 |
| 08:00 | 12:00 | 18.7 | 20.1 | 0 | 1.6 | NNW | 93 | 1014 |
| 09:00 | 13:00 | 20.8 | 23.5 | 0 | 1 | N | 91 | 1014 |
| 10:00 | 14:00 | 24.8 | 28.5 | 0 | 0.4 | N | 79 | 1014 |
| 11:00 | 15:00 | 29.1 | 31.7 | 0 | 0.2 | ENE | 51 | 1014 |
| 12:00 | 16:00 | 29.1 | 32 | 0.06 | 0.2 | WSW | 54 | 1014 |
| 13:00 | 17:00 | 29.6 | 32.4 | 0.01 | 0.7 | NW | 53 | 1014 |
| 14:00 | 18:00 | 29.9 | 32.5 | 0.02 | 1.3 | NW | 54 | 1013 |
| 15:00 | 19:00 | 30.5 | 33.1 | 0 | 1.6 | NW | 54 | 1013 |
| 16:00 | 20:00 | 31.1 | 33.3 | 0 | 1.9 | NW | 51 | 1012 |
| 17:00 | 21:00 | 31.3 | 33.4 | 0 | 2 | NW | 50 | 1012 |
| 18:00 | 22:00 | 29.5 | 32.3 | 0 | 2.2 | NW | 61 | 1012 |
| 19:00 | 23:00 | 28.3 | 31.3 | 0 | 1.8 | WNW | 65 | 1012 |
| 20:00 | 00:00 | 26.7 | 29 | 0 | 2.3 | W | 68 | 1012 |
| 21:00 | 01:00 | 26 | 27.8 | 0 | 2.3 | WNW | 67 | 1012 |
| 22:00 | 02:00 | 25.1 | 26.5 | 0 | 2.6 | NW | 68 | 1013 |
| 23:00 | 03:00 | 23.3 | 24.8 | 0 | 2.7 | NNW | 79 | 1013 |
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
- Dacula — 34.000°, -84.000°, ERA5 grid cell center, 9.5 km from requested point
- Time zone
- America/New_York
- What's shown here
- The hourly and daily record for 27 September 2017 specifically — not a monthly average. See the Dacula 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 (2026-07-17). Historical climate data for Dacula, United States (34.00°N, 84.00°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Dacula, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 17, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Dacula, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 17, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Dacula, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-17},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.