Eastern Iowa climate review for December and the year 2018

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CEDAR RAPIDS, Iowa (KCRG) - After an unusually cold November, December was an unusually warm month. The average temperature ended up being nearly the same between the two months. There also was far less snow than average.

For 2018, the average temperature was very close to normal in most places. It was a wet year, especially in northern Iowa.

December 2018 climate summary

Cedar Rapids
Warmest high: 50 on the 18th, 19th, and 27th
Coldest low: 6 on the 7th
Average high temperature: 37.3 degrees, 5.5 degrees above normal
Average low temperature: 21.5 degrees, 6.7 degrees above normal
Average temperature: 29.4 degrees, 6.1 degrees above normal
Precipitation: 2.10”, 0.68” above normal
Snowfall: 1.5”, 6.3” below normal

Dubuque
Warmest high: 49 on the 15th
Coldest low: 9 on the 7th
Average high temperature: 36.5 degrees, 6.3 degrees above normal
Average low temperature: 22.4 degrees, 7.1 degrees above normal
Average temperature: 29.4 degrees, 6.6 degrees above normal
Precipitation: 2.07”, 0.23” above normal
Snowfall: 2.1”, 9.7” below normal

Iowa City
Warmest high: 52 on the 15th, 19th, and 27th
Coldest low: 10 on the 7th
Average high temperature: 39.1 degrees, 6.1 degrees above normal
Average low temperature: 22.4 degrees, 4.9 degrees above normal
Average temperature: 30.7 degrees, 5.5 degrees above normal
Precipitation: 2.38”, 0.86” above normal
Snowfall: 0.0”, 8.6” below normal

Waterloo
Warmest high: 52 on the 19th
Coldest low: 8 on the 7th
Average high temperature: 37.1 degrees, 6.3 degrees above normal
Average low temperature: 21.2 degrees, 7.7 degrees above normal
Average temperature: 29.1 degrees, 6.9 degrees above normal
Precipitation: 2.50”, 0.46” above normal
Snowfall: 3.5”, 6.4” below normal

Year of 2018 climate summary

Cedar Rapids
Warmest high: 97 on May 27th
Coldest low: -24 on January 1st
Average high: 58.5 degrees, 0.1 degree above normal
Average low: 38.6 degrees, 0.6 degree above normal
Average temperature: 48.6 degrees, 0.4 degree above normal
Precipitation: 40.65”, 6.04” above normal
Snowfall: 38.2”, 6.7” above normal

Dubuque
Warmest high: 95 on May 27th
Coldest low: -21 on January 1st
Average high: 56.1 degrees, 0.5 degree below normal
Average low: 38.2 degrees, 0.1 degree above normal
Average temperature: 47.1 degrees, 0.2 degree below normal
Precipitation: 51.31”, 15.02” above normal (6th wettest on record)
Snowfall: 38.8”, 3.1” below normal

Iowa City
Warmest high: 98 on May 27th and May 28th
Coldest low: -20 on January 1st and January 2nd
Average high: 60.1 degrees, 0.5 degree above normal
Average low: 40.3 degrees, 0.1 degree below normal
Average temperature: 50.2 degrees, 0.2 degree above normal
Precipitation: 48.87”, 12.59” above normal (2nd wettest on record)
Snowfall: 29.3”, 2.1” above normal

Waterloo
Warmest high: 97 on May 27th
Coldest low: -21 on January 1st and January 2nd
Average high: 56.5 degrees, 1.8 degrees below normal
Average low: 36.6 degrees, 0.7 degree below normal
Average temperature: 46.6 degrees, 1.2 degrees below normal
Precipitation: 54.05”, 19.45” above normal (wettest on record)
Snowfall: 45.2”, 9.9” above normal