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Ilion

United States · 23 October 2017

IlionUnited States1:12 PM localChange location
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Average

15.8°C

low 10.4°C · high 20.7°C

Rainfall

0.1mm

dry day

Wind

4.3m/s

daily average

Humidity

70.6%

daily average

Cloud

96%

cover

Pressure

1021hPa

daily average

The temperature ranged from 10.4°C around 08:00 to 20.7°C around 14:00. 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

89th percentile

Low temperature

90th percentile

Rainfall

34th percentile

Wind

79th 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 8.2°C, versus 15.8°C on this specific day.

Sun & daylight

Sunrise

07:23

Sunset

18:04

Day length

10h 41m

Hour by hour

Temperature (line) and hourly rainfall (bars), local time — America/New_York.

↓ Download CSV
00:0006:0012:0018:0023:00

Cumulative rainfall through the day.

00:0006:0012:0018:0023:00
Local timeUTCTempFeelsRain mmWind m/sDirHumidity %Pressure hPa
00:0004:0012.8°C9.5°C03.5SSE651026
01:0005:0012.5°C9.3°C03.5SSE681025
02:0006:0012°C8.8°C03.5SSE701025
03:0007:0011.9°C8.8°C03.3SSE701025
04:0008:0011.1°C7.9°C03.2SSE701025
05:0009:0011.8°C8.7°C03.2SSE701024
06:0010:0010.9°C7.8°C03.1SSE711024
07:0011:0010.5°C7.3°C03.3SSE741024
08:0012:0010.4°C7.4°C03.2SSE801024
09:0013:0012.2°C9.9°C03SSE831024
10:0014:0014.8°C12.6°C03.6SSE781023
11:0015:0017°C14.6°C0.014.1SSE711022
12:0016:0017.9°C14.6°C05.8S691022
13:0017:0019.9°C16.1°C0.046.2S591021
14:0018:0020.7°C17.3°C0.015.7S561020
15:0019:0020.6°C17.7°C0.035.2SSE601019
16:0020:0020.4°C18.3°C04.4SE631018
17:0021:0019.9°C17.7°C04.5SE651017
18:0022:0019°C17.2°C04.4SSE741016
19:0023:0018.3°C16.3°C04.7SE761016
20:0000:0018.5°C16.2°C05.2SE771015
21:0001:0018.8°C16.4°C05.4SE761015
22:0002:0018.9°C16.4°C05.6SE761014
23:0003:0018.7°C16.2°C05.7SE761013

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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
Ilion — 43.000°, -75.000°, ERA5 grid cell center, 3.3 km from requested point
Time zone
America/New_York
What's shown here
The hourly and daily record for 23 October 2017 specifically — not a monthly average. See the Ilion 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

Plain text
PastClimate (2026-07-20). Historical climate data for Ilion, United States (43.00°N, 75.00°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
APA
PastClimate. (2026). Historical climate data for Ilion, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Ilion, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 20, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Ilion, 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/}
}

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