Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Climate/Almanac Data - Dec Normals - Dec Records

December

Site (Click site name for report)	Avg Temp	Normal	Dept From Norm	Precip Total	Normal	Dept From Norm	Snowfall Total	Normal	Dept From Norm
Burlington	33.1°	29.1°	+4.0°	2.38"	2.09"	+0.29"	NA	7.5"	NA
Cedar Rapids	29.4°	23.3°	+6.1°	2.10"	1.42"	+0.68"	NA	7.8"	NA
Davenport	31.4°	25.3°	+6.1°	2.50"	1.73"	+0.77"	0.3"	NA	NA
Dubuque	29.4°	22.8°	+6.6°	2.07"	1.84"	+0.23"	2.1"	11.8"	-9.7"
Iowa City	30.7°	25.2°	+5.5°	2.38"	1.52"	+0.86"	NA	NA	NA
Moline	33.0°	26.6°	+6.4°	2.95"	2.18"	+0.77"	1.1"	9.3"	-8.2"

The ranking is listed in parentheses (__) when within the "Top 10".

December 2018 was about 4 to 6 degrees above normal.

Precipitation totals for December 2018 were about a quarter inch to three quarters of an inch below normal.

Snowfall totals for December 2018 were about 8 to 10 inches below normal.

Please see Dec Records for monthly record information.

The climate maps below are courtesy of the Midwest Regional Climate Center.

These maps become available around 10am on the first of the month.


Average Temperature	Average Temperature Departure from Mean	Accumulated Precipitation	Accumulated Precipitation Percent of Mean	Accumulated Snowfall	Accumulated Snowfall Percent of Mean

Climate/Almanac Data - Annual Normals - Annual Records

2018

Site (Click site name for report courtesy of the Iowa Environmental Mesonet.)	Avg Temp	Normal	Dept From Norm	Precip Total	Normal	Dept From Norm	Snowfall Total	Normal	Dept From Norm
Burlington	51.7°	53.0°	-1.3°	39.04"	38.48"	+0.56"	NA	23.5"	NA
Cedar Rapids	48.6°	48.2°	+0.4°	40.65"	34.61"	+6.04"	NA	26.7"	NA
Davenport	49.4°	49.3°	+0.1°	45.18"	36.03"	+9.15"	45.4"	NA	NA
Dubuque	47.1°	47.3°	-0.2°	51.31" (6th)	36.29"	+15.02"	38.8"	41.9"	-3.1"
Iowa City	50.2°	50.0°	+0.2°	48.87" (2nd)	36.28"	+12.59"	NA	NA	NA
Moline	50.9°	50.7°	+0.2°	45.23"	37.96"	+7.27"	51.8" (9th)	31.6"	+20.2"

The ranking is listed in parentheses (__) when within the "Top 10".

2018 temperatures were about 1 degree below normal to near normal.

Precipitation totals for 2018 ranged from a half inch above normal at Burlington to 15 inches above normal at Dubuque.

Snowfall totals for 2018 were between 3 inches below normal to 20 inches above normal.

Please see Annual Records for annual record information.

The climate maps below are courtesy of the Midwest Regional Climate Center.

These maps will be updated on January 1.

Average Temperature	Average Temperature Departure from Mean	Accumulated Precipitation	Accumulated Precipitation Percent of Mean	Accumulated Snowfall	Accumulated Snowfall Percent of Mean