December 21 - MILWAUKEE COAST GUARD LIGHT S - Weather History and Averages

Station: MILWAUKEE COAST GUARD LIGHT S (1977 to 1996)
Country: US
Latitude: 43.02
Longitude: -87.95

High Temperatures

On December 21 in MILWAUKEE COAST GUARD LIGHT S the average high temperature is 33.2 °F (0.7 °C). The lowest recored high temperature was 23.2 °F (-4.9 °C) in 1983 and the highest recored high temperature was 45.0 °F (7.2 °C) in 1994. The high temperature is usually^* between 27.4 °F (-2.6 °C) and 39.0 °F (3.9 °C). About a quarter of the time, the high temperature is less than 27.4 °F (-2.6 °C), and another quarter of the time, the high temperature is greater than and 39.0 °F (3.9 °C). About 95% of the time, the high temperature has been between 16.3 °F (-8.7 °C) and 50.1 °F (10.1 °C).

Low Temperatures

On December 21 in MILWAUKEE COAST GUARD LIGHT S the average low temperature is 23.5 °F (-4.7 °C). The lowest recored low temperature was 10.0 °F (-12.2 °C) in 1980 and the lowest recored low temperature was 34.9 °F (1.6 °C) in 1990. The low temperature is usually^* between 15.4 °F (-9.2 °C) and 31.6 °F (-0.2 °C). About a quarter of the time, the low temperature is less than 15.4 °F (-9.2 °C), and another quarter of the time, the low temperature is greater than and 31.6 °F (-0.2 °C). About 95% of the time, the low temperature has been between -0.1 °F (-17.8 °C) and 47.0 °F (8.3 °C).

Frost

On December 21 in MILWAUKEE COAST GUARD LIGHT S expect the temperatures to drop below freezing for a risk of frost about 76.1% 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:

MILWAUKEE COAST GUARD LIGHT S — Integrated Surface Dataset (ISD) station ID: 726407 — from year 1977 to 1995

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