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 30 in NAVAL AIR STATION the average high temperature is 70.5 °F (21.4 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 1947 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1953. The high temperature is usually* between 64.2 °F (17.9 °C) and 76.7 °F (24.9 °C). About a quarter of the time, the high temperature is less than 64.2 °F (17.9 °C), and another quarter of the time, the high temperature is greater than and 76.7 °F (24.9 °C). About 95% of the time, the high temperature has been between 52.2 °F (11.2 °C) and 88.7 °F (31.5 °C).
Low Temperatures
On September 30 in NAVAL AIR STATION the average low temperature is 50.3 °F (10.2 °C). The lowest recored low temperature was 32.9 °F (0.5 °C) in 1993 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 1954. The low temperature is usually* between 44.5 °F (6.9 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the low temperature is less than 44.5 °F (6.9 °C), and another quarter of the time, the low temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the low temperature has been between 33.5 °F (0.8 °C) and 67.2 °F (19.5 °C).
Frost
On September 30 in NAVAL AIR STATION expect the temperatures to drop below freezing for a risk of frost about 1.7% 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:
- 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