Station information
- Integrated Surface Dataset (ISD) station ID: 725346
- Weather Bureau Army Navy (WBAN): 94866
- Country: US
- State: IL
- Latitude: 41.867
- Longitude: -87.6
High Temperatures
On April 21 in <NA> the average high temperature is 58.7 °F (14.9 °C). The lowest recored high temperature was 42.8 °F (6.0 °C) in 2002 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1985. The high temperature is usually* between 51.4 °F (10.8 °C) and 66.1 °F (18.9 °C). About a quarter of the time, the high temperature is less than 51.4 °F (10.8 °C), and another quarter of the time, the high temperature is greater than and 66.1 °F (18.9 °C). About 95% of the time, the high temperature has been between 37.5 °F (3.1 °C) and 80.0 °F (26.6 °C).
Low Temperatures
On April 21 in <NA> the average low temperature is 45.9 °F (7.7 °C). The lowest recored low temperature was 37.0 °F (2.8 °C) in 1986 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1985. The low temperature is usually* between 41.0 °F (5.0 °C) and 50.8 °F (10.4 °C). About a quarter of the time, the low temperature is less than 41.0 °F (5.0 °C), and another quarter of the time, the low temperature is greater than and 50.8 °F (10.4 °C). About 95% of the time, the low temperature has been between 31.7 °F (-0.1 °C) and 60.0 °F (15.6 °C).
Frost
On April 21 in <NA> expect the temperatures to drop below freezing for a risk of frost about 2.7% 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:
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— Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002 - CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
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— Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1970