February 20 - 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 February 20 in CALUMET (CGS) the average high temperature is 34.0 °F (1.1 °C). The lowest recored high temperature was 29.1 °F (-1.6 °C) in 1989 and the highest recored high temperature was 36.9 °F (2.7 °C) in 1988. The high temperature is usually^* between 30.1 °F (-1.1 °C) and 37.9 °F (3.3 °C). About a quarter of the time, the high temperature is less than 30.1 °F (-1.1 °C), and another quarter of the time, the high temperature is greater than and 37.9 °F (3.3 °C). About 95% of the time, the high temperature has been between 22.5 °F (-5.3 °C) and 45.5 °F (7.5 °C).

Low Temperatures

On February 20 in CALUMET (CGS) the average low temperature is 21.9 °F (-5.6 °C). The lowest recored low temperature was 16.2 °F (-8.8 °C) in 1988 and the lowest recored low temperature was 26.1 °F (-3.3 °C) in 1989. The low temperature is usually^* between 17.6 °F (-8.0 °C) and 26.2 °F (-3.2 °C). About a quarter of the time, the low temperature is less than 17.6 °F (-8.0 °C), and another quarter of the time, the low temperature is greater than and 26.2 °F (-3.2 °C). About 95% of the time, the low temperature has been between 9.5 °F (-12.5 °C) and 34.3 °F (1.3 °C).

Frost

On February 20 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 94.5% 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 1988 to 1990

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