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 April 20 in NAVAL AIR STATION the average high temperature is 62.6 °F (17.0 °C). The lowest recored high temperature was 39.0 °F (3.9 °C) in 1947 and the highest recored high temperature was 87.1 °F (30.6 °C) in 1987. The high temperature is usually* between 54.4 °F (12.5 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 54.4 °F (12.5 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 38.8 °F (3.8 °C) and 86.5 °F (30.3 °C).
Low Temperatures
On April 20 in NAVAL AIR STATION the average low temperature is 43.1 °F (6.2 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 1956 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 1957. The low temperature is usually* between 36.8 °F (2.7 °C) and 49.5 °F (9.7 °C). About a quarter of the time, the low temperature is less than 36.8 °F (2.7 °C), and another quarter of the time, the low temperature is greater than and 49.5 °F (9.7 °C). About 95% of the time, the low temperature has been between 24.7 °F (-4.1 °C) and 61.6 °F (16.4 °C).
Frost
On April 20 in NAVAL AIR STATION expect the temperatures to drop below freezing for a risk of frost about 11.8% 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:
- 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