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 September 17 in <NA> the average high temperature is 74.1 °F (23.4 °C). The lowest recored high temperature was 57.0 °F (13.9 °C) in 1959 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1988. The high temperature is usually* between 68.5 °F (20.3 °C) and 79.8 °F (26.5 °C). About a quarter of the time, the high temperature is less than 68.5 °F (20.3 °C), and another quarter of the time, the high temperature is greater than and 79.8 °F (26.5 °C). About 95% of the time, the high temperature has been between 57.8 °F (14.3 °C) and 90.5 °F (32.5 °C).
Low Temperatures
On September 17 in <NA> the average low temperature is 56.4 °F (13.5 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 1984 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 1972. The low temperature is usually* between 51.4 °F (10.8 °C) and 61.3 °F (16.3 °C). About a quarter of the time, the low temperature is less than 51.4 °F (10.8 °C), and another quarter of the time, the low temperature is greater than and 61.3 °F (16.3 °C). About 95% of the time, the low temperature has been between 42.0 °F (5.6 °C) and 70.7 °F (21.5 °C).
Frost
On September 17 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