August 18 - GROSSE ILE NAS - Weather History and Averages

Station: GROSSE ILE NAS (1945 to 1969)
Country: US
State: MI
Latitude: 42.1
Longitude: -83.167

High Temperatures

On August 18 in GROSSE ILE NAS the average high temperature is 79.2 °F (26.2 °C). The lowest recored high temperature was 69.1 °F (20.6 °C) in 1963 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1955. The high temperature is usually^* between 75.5 °F (24.2 °C) and 82.9 °F (28.3 °C). About a quarter of the time, the high temperature is less than 75.5 °F (24.2 °C), and another quarter of the time, the high temperature is greater than and 82.9 °F (28.3 °C). About 95% of the time, the high temperature has been between 68.5 °F (20.3 °C) and 89.9 °F (32.2 °C).

Low Temperatures

On August 18 in GROSSE ILE NAS the average low temperature is 63.0 °F (17.2 °C). The lowest recored low temperature was 51.1 °F (10.6 °C) in 1963 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 1947. The low temperature is usually^* between 59.0 °F (15.0 °C) and 67.1 °F (19.5 °C). About a quarter of the time, the low temperature is less than 59.0 °F (15.0 °C), and another quarter of the time, the low temperature is greater than and 67.1 °F (19.5 °C). About 95% of the time, the low temperature has been between 51.3 °F (10.7 °C) and 74.8 °F (23.8 °C).

Frost

On August 18 in GROSSE ILE NAS expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:

GROSSE ILE NAS — Weather Bureau Army Navy (WBAN): 14856 — from year 1945 to 1969

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