Station information
- Integrated Surface Dataset (ISD) station ID: 725306
- Weather Bureau Army Navy (WBAN): 14855
- Country: US
- State: IL
- Latitude: 42.083
- Longitude: -87.833
High Temperatures
On July 20 in <NA> the average high temperature is 84.4 °F (29.1 °C). The lowest recored high temperature was 62.1 °F (16.7 °C) in 1950 and the highest recored high temperature was 100.9 °F (38.3 °C) in 1980. The high temperature is usually* between 79.4 °F (26.3 °C) and 89.5 °F (31.9 °C). About a quarter of the time, the high temperature is less than 79.4 °F (26.3 °C), and another quarter of the time, the high temperature is greater than and 89.5 °F (31.9 °C). About 95% of the time, the high temperature has been between 69.7 °F (21.0 °C) and 99.2 °F (37.3 °C).
Low Temperatures
On July 20 in <NA> the average low temperature is 66.6 °F (19.2 °C). The lowest recored low temperature was 54.0 °F (12.2 °C) in 1970 and the lowest recored low temperature was 78.1 °F (25.6 °C) in 1987. The low temperature is usually* between 62.6 °F (17.0 °C) and 70.6 °F (21.5 °C). About a quarter of the time, the low temperature is less than 62.6 °F (17.0 °C), and another quarter of the time, the low temperature is greater than and 70.6 °F (21.5 °C). About 95% of the time, the low temperature has been between 54.9 °F (12.7 °C) and 78.3 °F (25.7 °C).
Frost
On July 20 in <NA> expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
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— Weather Bureau Army Navy (WBAN): 14855 — from year 1945 to 1972