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 21 in NAVAL AIR STATION the average high temperature is 63.0 °F (17.2 °C). The lowest recored high temperature was 43.0 °F (6.1 °C) in 1972 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1987. The high temperature is usually* between 55.2 °F (12.9 °C) and 70.7 °F (21.5 °C). About a quarter of the time, the high temperature is less than 55.2 °F (12.9 °C), and another quarter of the time, the high temperature is greater than and 70.7 °F (21.5 °C). About 95% of the time, the high temperature has been between 40.4 °F (4.7 °C) and 85.5 °F (29.7 °C).
Low Temperatures
On April 21 in NAVAL AIR STATION the average low temperature is 43.4 °F (6.3 °C). The lowest recored low temperature was 28.9 °F (-1.7 °C) in 1959 and the lowest recored low temperature was 64.0 °F (17.8 °C) in 1985. The low temperature is usually* between 37.3 °F (3.0 °C) and 49.4 °F (9.7 °C). About a quarter of the time, the low temperature is less than 37.3 °F (3.0 °C), and another quarter of the time, the low temperature is greater than and 49.4 °F (9.7 °C). About 95% of the time, the low temperature has been between 25.8 °F (-3.4 °C) and 61.0 °F (16.1 °C).
Frost
On April 21 in NAVAL AIR STATION expect the temperatures to drop below freezing for a risk of frost about 10.2% 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