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 February 21 in NAVAL AIR STATION the average high temperature is 38.3 °F (3.5 °C). The lowest recored high temperature was 8.1 °F (-13.3 °C) in 1963 and the highest recored high temperature was 63.9 °F (17.7 °C) in 1983. The high temperature is usually* between 31.1 °F (-0.5 °C) and 45.5 °F (7.5 °C). About a quarter of the time, the high temperature is less than 31.1 °F (-0.5 °C), and another quarter of the time, the high temperature is greater than and 45.5 °F (7.5 °C). About 95% of the time, the high temperature has been between 17.5 °F (-8.1 °C) and 59.1 °F (15.1 °C).
Low Temperatures
On February 21 in NAVAL AIR STATION the average low temperature is 22.4 °F (-5.3 °C). The lowest recored low temperature was -7.1 °F (-21.7 °C) in 1963 and the lowest recored low temperature was 39.0 °F (3.9 °C) in 1985. The low temperature is usually* between 15.0 °F (-9.5 °C) and 29.8 °F (-1.2 °C). About a quarter of the time, the low temperature is less than 15.0 °F (-9.5 °C), and another quarter of the time, the low temperature is greater than and 29.8 °F (-1.2 °C). About 95% of the time, the low temperature has been between 0.9 °F (-17.3 °C) and 43.9 °F (6.6 °C).
Frost
On February 21 in NAVAL AIR STATION expect the temperatures to drop below freezing for a risk of frost about 80.9% 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 1995
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— Weather Bureau Army Navy (WBAN): 14855 — from year 1946 to 1972