March's weather normals and extremes

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CEDAR RAPIDS, Iowa (KCRG-TV9) - March is a month of transition out of winter and into spring. The change in normal temperatures between the beginning and end of the month reflects that – in fact, they climb by a degree every couple of days. Of course, a month of transition also means that we can have quite a range of weather, as shown in the March statistics below.

Cedar Rapids
March 1 – Normal high: 39, normal low: 21
March 31 – Normal high: 54, normal low: 32
Normal precipitation: 2.10"
Normal snowfall: 3.1"
Coldest temperature: -20 (3/1/1962)
Hottest temperature: 88 (3/29/1986)
Least precipitation: 0.14" (1981)
Most precipitation: 6.09" (1977)
Least snow: 0" (multiple years)
Most snow: 30.9" (1951)

Dubuque
March 1 – Normal high: 37, normal low: 21
March 31 – 52, normal low: 32
Normal precipitation: 2.41”
Normal snowfall: 6.3"
Coldest temperature: -20 (3/1/1962)
Hottest temperature: 86 (3/29/1895)
Least precipitation: 0.14" (1910)
Most precipitation: 6.50" (1959)
Least snow: Trace (multiple years)
Most snow: 30.2" (1959)

Iowa City
March 1 – Normal high: 40, normal low: 23
March 31 – 56, normal low: 35
Normal precipitation: 2.22"
Normal snowfall: 3.4"
Coldest temperature: -17 (3/1/1962)
Hottest temperature: 88 (3/29/1986)
Least precipitation: 0.18” (1981)
Most precipitation: 6.13” (1991)
Least snow: 0” (multiple years)
Most snow: 21.0” (1912)

Waterloo
March 1 – Normal high: 38, normal low: 20
March 31 – 53, normal low: 31
Normal precipitation: 2.06"
Normal snowfall: 4.6" snow
Coldest temperature: -34 (3/1/1962)
Hottest temperature: 87 (3/29/1986)
Least precipitation: 0.09" (1910)
Most precipitation: 5.43" (1961)
Least snow: 0" (1920, 1910)
Most snow: 20.1" (1959)

The length of daylight jumps by nearly an hour and a half in March. Sunrise on March 1 is 6:41 a.m. and sunset is 5:46 p.m. That gives 11 hours, 15 minutes, and 20 seconds of light. Daylight Saving Time begins on Sunday, March 11. On March 31, sunrise is 6:51 a.m. and sunset is 7:31 p.m. That’s 12 hours, 40 minutes, and 10 seconds of daylight.