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Home / Algonquin / 18 May 2024

Algonquin

United States · 18 May 2024

AlgonquinUnited States4:13 AM localChange location

← 17 May 202419 May 2024 →

Average

22°C

low 12.2°C · high 28.9°C

Rainfall

0.3mm

dry day

Wind

2.7m/s

daily average

Humidity

64.7%

daily average

Cloud

26%

cover

Pressure

1010hPa

daily average

The temperature ranged from 12.2°C around 04:00 to 28.9°C around 16:00. Rain was recorded for one hour, around 11:00 (0.3mm total).

How unusual was this day?

Compared against the same 135 calendar days (±7 days) across the other 9 years on file.

High temperature

88th percentile

Low temperature

67th percentile

Rainfall

49th percentile

Wind

40th 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 15.8°C, versus 22°C on this specific day.

Sun & daylight

Sunrise

05:28

Sunset

20:11

Day length

14h 43m

Hour by hour

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

↓ 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
00:0005:0014.3°C13.3°C02.1ESE841010
01:0006:0013.7°C12.7°C02ESE851010
02:0007:0013.4°C12.4°C01.9SE851009
03:0008:0012.8°C11.8°C01.8SSE881010
04:0009:0012.2°C11.1°C01.7SSE901010
05:0010:0013.5°C12.4°C02.5S921010
06:0011:0014.1°C13.7°C01.8S931010
07:0012:0016°C16.2°C01.7S911011
08:0013:0018.8°C20.1°C01SSE841011
09:0014:0022.9°C24.6°C01.2S721011
10:0015:0025.3°C26.6°C01.7S611011
11:0016:0026.2°C26.4°C0.132.5SSW531011
12:0017:0026.9°C26.5°C0.073SSW491011
13:0018:0027.7°C27°C0.053.4SSW471010
14:0019:0028.1°C27.1°C0.043.8SSW451010
15:0020:0028.5°C27.3°C04SSW441010
16:0021:0028.9°C27.8°C04.1SSW441010
17:0022:0028.8°C27.5°C04SSW421009
18:0023:0028.6°C27.3°C03.6SSW401009
19:0000:0028.2°C27.4°C02.9SSW421009
20:0001:0027.1°C26.4°C03SSW461010
21:0002:0025.1°C24.2°C03.6SSW541010
22:0003:0024.3°C23.4°C04SSW591010
23:0004:0023.5°C22.5°C04.1SSW631011

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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
Algonquin — 42.250°, -88.250°, ERA5 grid cell center, 10.1 km from requested point
Time zone
America/Chicago
What's shown here
The hourly and daily record for 18 May 2024 specifically — not a monthly average. See the Algonquin 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 (2026-07-19). Historical climate data for Algonquin, United States (42.25°N, 88.25°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 Algonquin, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 19, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Algonquin, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 19, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Algonquin, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-19},
  url = {https://www.pastclimate.com/}
}

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