Home / Union Gap / 8 October 2018
Union Gap
United States · 8 October 2018
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Average
11.6°C
low 10.4° · high 13°
Rainfall
5.1mm
rain recorded
Wind
1.1m/s
daily average
Humidity
81.7%
daily average
Cloud
98%
cover
Pressure
1015hPa
daily average
The temperature ranged from 10.4°C around 07:00 to 13°C around 15:00. Rain was recorded across 18 hours, from around 04:00 to 21:00 (5.1mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
7th percentile
Low temperature
95th percentile
Rainfall
96th percentile
Wind
0th 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 12.8°C, versus 11.6°C on this specific day.
Sun & daylight
Sunrise
07:10
Sunset
18:28
Day length
11h 18m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Los_Angeles.
Cumulative rainfall through the day.
| Local time | UTC | Temp °C | Feels °C | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 07:00 | 12 | 10.5 | 0.07 | 0.7 | NNE | 64 | 1018 |
| 01:00 | 08:00 | 11.6 | 9.9 | 0.03 | 0.9 | N | 67 | 1018 |
| 02:00 | 09:00 | 11 | 9.2 | 0.03 | 1 | NNE | 68 | 1017 |
| 03:00 | 10:00 | 10.6 | 9.4 | 0.05 | 0.8 | N | 80 | 1017 |
| 04:00 | 11:00 | 10.9 | 9.7 | 0.12 | 0.8 | ENE | 80 | 1016 |
| 05:00 | 12:00 | 10.8 | 9.4 | 0.15 | 1.2 | ENE | 82 | 1016 |
| 06:00 | 13:00 | 10.6 | 9.3 | 0.12 | 1.1 | ENE | 83 | 1016 |
| 07:00 | 14:00 | 10.4 | 9.1 | 0.21 | 1.2 | ENE | 84 | 1016 |
| 08:00 | 15:00 | 10.9 | 9.6 | 0.35 | 1.3 | NE | 82 | 1017 |
| 09:00 | 16:00 | 10.9 | 9.7 | 0.36 | 1.2 | NE | 85 | 1017 |
| 10:00 | 17:00 | 11.2 | 10.4 | 0.38 | 0.8 | ENE | 85 | 1017 |
| 11:00 | 18:00 | 11.5 | 10.5 | 0.35 | 1 | ENE | 85 | 1017 |
| 12:00 | 19:00 | 11.8 | 10.9 | 0.21 | 1.1 | ENE | 84 | 1016 |
| 13:00 | 20:00 | 12.2 | 11 | 0.24 | 1.5 | E | 83 | 1016 |
| 14:00 | 21:00 | 13 | 12.1 | 0.3 | 1.2 | E | 81 | 1015 |
| 15:00 | 22:00 | 13 | 12.2 | 0.29 | 1.2 | E | 81 | 1014 |
| 16:00 | 23:00 | 12.8 | 12.3 | 0.37 | 0.8 | E | 84 | 1014 |
| 17:00 | 00:00 | 12.6 | 12 | 0.35 | 0.9 | E | 86 | 1014 |
| 18:00 | 01:00 | 12 | 11.1 | 0.39 | 1.1 | ENE | 82 | 1013 |
| 19:00 | 02:00 | 12.1 | 11.1 | 0.3 | 1.2 | ENE | 83 | 1012 |
| 20:00 | 03:00 | 11.7 | 11 | 0.21 | 1.1 | E | 89 | 1013 |
| 21:00 | 04:00 | 11.3 | 10.3 | 0.13 | 1.3 | ESE | 88 | 1012 |
| 22:00 | 05:00 | 11.3 | 10.4 | 0.05 | 1.1 | ESE | 88 | 1012 |
| 23:00 | 06:00 | 11.3 | 10.1 | 0.02 | 1.4 | SE | 86 | 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
- Union Gap — 46.500°, -120.500°, ERA5 grid cell center, 6.7 km from requested point
- Time zone
- America/Los_Angeles
- What's shown here
- The hourly and daily record for 8 October 2018 specifically — not a monthly average. See the Union Gap 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 Union Gap, United States (46.50°N, 120.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Union Gap, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 18, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Union Gap, 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 Union Gap, 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.