Station information
- Integrated Surface Dataset (ISD) station ID: 722418
- Country: US
- State: IL
- Latitude: 41.717
- Longitude: -87.533
High Temperatures
On February 21 in CALUMET (CGS) the average high temperature is 36.2 °F (2.3 °C). The lowest recored high temperature was 26.1 °F (-3.3 °C) in 1988 and the highest recored high temperature was 45.9 °F (7.7 °C) in 1990. The high temperature is usually* between 30.3 °F (-0.9 °C) and 42.1 °F (5.6 °C). About a quarter of the time, the high temperature is less than 30.3 °F (-0.9 °C), and another quarter of the time, the high temperature is greater than and 42.1 °F (5.6 °C). About 95% of the time, the high temperature has been between 19.1 °F (-7.1 °C) and 53.3 °F (11.8 °C).
Low Temperatures
On February 21 in CALUMET (CGS) the average low temperature is 22.0 °F (-5.6 °C). The lowest recored low temperature was 9.1 °F (-12.7 °C) in 1988 and the lowest recored low temperature was 27.1 °F (-2.7 °C) in 1990. The low temperature is usually* between 16.9 °F (-8.4 °C) and 27.1 °F (-2.7 °C). About a quarter of the time, the low temperature is less than 16.9 °F (-8.4 °C), and another quarter of the time, the low temperature is greater than and 27.1 °F (-2.7 °C). About 95% of the time, the low temperature has been between 7.2 °F (-13.8 °C) and 36.8 °F (2.6 °C).
Frost
On February 21 in CALUMET (CGS) expect the temperatures to drop below freezing for a risk of frost about 90.8% of the time.
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