Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. 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	34.5°	29.1°	+5.4°	1.12"	2.09"	-0.97"	NA	7.5"	NA
Cedar Rapids	30.3°	23.3°	+7.0°	1.22"	1.42"	-0.20"	NA	7.8"	NA
Davenport	32.6°	25.3°	+7.3°	1.28"	1.73"	-0.45"	2.7"	NA	NA
Dubuque	29.9°	22.8°	+7.1°	1.39"	1.84"	-0.45"	1.8"	11.8"	-10.0"
Iowa City	33.0°	25.2°	+7.8°	1.31"	1.52"	-0.21"	NA	NA	NA
Moline	33.5°	26.6°	+6.9°	1.60"	2.18"	-0.58"	3.9"	9.3"	-5.4"

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

December 2019 was about 5 to 8 degrees above normal.

Precipitation totals for December 2019 were about 1/4" to 1" below normal.

Snowfall totals for December 2019 were about 5 to 11 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

2019

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	51.3°	53.0°	-1.7°	44.60"	38.48"	+6.12"	NA	23.5"	NA
Cedar Rapids	46.9°	48.2°	-1.3°	40.20"	34.61"	+5.59"	NA	26.7"	NA
Davenport	49.2°	49.3°	-0.1°	44.52"	36.03"	+8.49"	53.3"	NA	NA
Dubuque	46.1°	47.3°	-1.2°	54.87" (4th)	36.29"	+18.58"	65.4" (6th)	41.9"	+23.5"
Iowa City	49.7°	50.0°	-0.3°	42.05"	36.28"	+5.77"	NA	NA	NA
Moline	50.8°	50.7°	+0.1°	49.59" (6th)	37.96"	+11.63"	54.3" (7th)	31.6"	+22.7"

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

2019 temperatures were about normal to 2 degrees below normal.

Precipitation totals for 2019 ranged from 5.5 to 18.5 inches above normal.

Snowfall totals for 2019 were about 23 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