August 21 - PARK RIDGE AF - Weather History and Averages

Station: PARK RIDGE AF (1949 to 1958)
Country: US
State: IL
Latitude: 41.983
Longitude: -87.9

High Temperatures

On August 21 in PARK RIDGE AF the average high temperature is 79.0 °F (26.1 °C). The lowest recored high temperature was 73.9 °F (23.3 °C) in 1951 and the highest recored high temperature was 98.1 °F (36.7 °C) in 1955. The high temperature is usually^* between 74.1 °F (23.4 °C) and 83.8 °F (28.8 °C). About a quarter of the time, the high temperature is less than 74.1 °F (23.4 °C), and another quarter of the time, the high temperature is greater than and 83.8 °F (28.8 °C). About 95% of the time, the high temperature has been between 64.9 °F (18.3 °C) and 93.0 °F (33.9 °C).

Low Temperatures

On August 21 in PARK RIDGE AF the average low temperature is 58.1 °F (14.5 °C). The lowest recored low temperature was 44.1 °F (6.7 °C) in 1950 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 1955. The low temperature is usually^* between 52.6 °F (11.4 °C) and 63.6 °F (17.5 °C). About a quarter of the time, the low temperature is less than 52.6 °F (11.4 °C), and another quarter of the time, the low temperature is greater than and 63.6 °F (17.5 °C). About 95% of the time, the low temperature has been between 42.1 °F (5.6 °C) and 74.0 °F (23.3 °C).

Frost

On August 21 in PARK RIDGE AF expect the temperatures to drop below freezing for a risk of frost about 0.1% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations:

PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958

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