July 18 - CALUMET (CGS) - Weather History and Averages

Station: CALUMET (CGS) (1987 to 1990)
Country: US
State: IL
Latitude: 41.717
Longitude: -87.533

High Temperatures

On July 18 in CALUMET (CGS) the average high temperature is 81.0 °F (27.2 °C). The lowest recored high temperature was 76.8 °F (24.9 °C) in 1989 and the highest recored high temperature was 85.8 °F (29.9 °C) in 1990. The high temperature is usually^* between 77.1 °F (25.1 °C) and 84.8 °F (29.3 °C). About a quarter of the time, the high temperature is less than 77.1 °F (25.1 °C), and another quarter of the time, the high temperature is greater than and 84.8 °F (29.3 °C). About 95% of the time, the high temperature has been between 69.8 °F (21.0 °C) and 92.1 °F (33.4 °C).

Low Temperatures

On July 18 in CALUMET (CGS) the average low temperature is 68.0 °F (20.0 °C). The lowest recored low temperature was 66.9 °F (19.4 °C) in 1989 and the lowest recored low temperature was 70.9 °F (21.6 °C) in 1987. The low temperature is usually^* between 65.4 °F (18.6 °C) and 70.5 °F (21.4 °C). About a quarter of the time, the low temperature is less than 65.4 °F (18.6 °C), and another quarter of the time, the low temperature is greater than and 70.5 °F (21.4 °C). About 95% of the time, the low temperature has been between 60.6 °F (15.9 °C) and 75.4 °F (24.1 °C).

Frost

On July 18 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations:

CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1990

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