Station information
- Integrated Surface Dataset (ISD) station ID: 725346
- Weather Bureau Army Navy (WBAN): 94866
- Country: US
- State: IL
- Latitude: 41.867
- Longitude: -87.6
High Temperatures
On May 21 in <NA> the average high temperature is 67.9 °F (20.0 °C). The lowest recored high temperature was 51.1 °F (10.6 °C) in 1969 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1987. The high temperature is usually* between 61.4 °F (16.3 °C) and 74.5 °F (23.6 °C). About a quarter of the time, the high temperature is less than 61.4 °F (16.3 °C), and another quarter of the time, the high temperature is greater than and 74.5 °F (23.6 °C). About 95% of the time, the high temperature has been between 48.9 °F (9.4 °C) and 87.0 °F (30.5 °C).
Low Temperatures
On May 21 in <NA> the average low temperature is 54.7 °F (12.6 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2002 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 1970. The low temperature is usually* between 50.4 °F (10.2 °C) and 58.9 °F (15.0 °C). About a quarter of the time, the low temperature is less than 50.4 °F (10.2 °C), and another quarter of the time, the low temperature is greater than and 58.9 °F (15.0 °C). About 95% of the time, the low temperature has been between 42.2 °F (5.7 °C) and 67.1 °F (19.5 °C).
Frost
On May 21 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:
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— Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002 - CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
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— Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1970