September 30 - 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 September 30 in GROSSE ILE NAS the average high temperature is 66.2 °F (19.0 °C). The lowest recored high temperature was 50.0 °F (10.0 °C) in 1947 and the highest recored high temperature was 75.9 °F (24.4 °C) in 1961. The high temperature is usually^* between 61.0 °F (16.1 °C) and 71.4 °F (21.9 °C). About a quarter of the time, the high temperature is less than 61.0 °F (16.1 °C), and another quarter of the time, the high temperature is greater than and 71.4 °F (21.9 °C). About 95% of the time, the high temperature has been between 51.1 °F (10.6 °C) and 81.3 °F (27.4 °C).

Low Temperatures

On September 30 in GROSSE ILE NAS the average low temperature is 50.4 °F (10.2 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 1947 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 1953. The low temperature is usually^* between 44.7 °F (7.0 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the low temperature is less than 44.7 °F (7.0 °C), and another quarter of the time, the low temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the low temperature has been between 33.8 °F (1.0 °C) and 66.9 °F (19.4 °C).

Frost

On September 30 in GROSSE ILE NAS expect the temperatures to drop below freezing for a risk of frost about 1.5% 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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