Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. Read More >

Climate/Almanac Data - May Normals - May Records

May

Site (Click site name for report)	Avg Temp	Normal 1991-2020	Dept From Norm	Precip Total	Normal â€‹1991-2020	Dept From Norm
Burlington	64.7°	63.0°	+1.7°	2.97"	4.93"	-1.96"
Cedar Rapids	63.4°	60.3°	+3.1°	2.29"	4.25"	-1.96"
Davenport	64.9°	61.7°	+3.2°	2.42"	4.82"	-2.40"
Dubuque	61.8°	58.8°	+3.0°	2.19"	4.30"	-2.11"
Iowa City	64.8°	62.6°	+2.2°	2.57"	4.48"	-1.91"
Moline	65.7°	62.5°	+3.2°	1.38"	4.67"	-3.29"

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

May 2023 was about 2 to 3 degrees above normal.

Precipitation totals were about 2 to 3 inches below normal.

Please see May Records for monthly record information.

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

Some of these maps become available during the afternoon on the first of the month.

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

Climate/Almanac Data - Spring Normals - Spring Records

Spring
(Mar-May)

Site (Click site name for report courtesy of the Iowa Environmental Mesonet.)	Avg Temp	Normal â€‹1991-2020	Dept From Norm	Precip Total	Normal â€‹1991-2020	Dept From Norm	Snowfall Total	Normal â€‹1991-2020	Dept From Norm
Burlington	52.2°	52.0°	+0.2°	7.17"	11.28"	-4.11"	NA	NA	NA
Cedar Rapids	49.7°	48.6°	+1.1°	4.32"	9.80"	-5.48"	NA	NA	NA
Davenport	51.5°	50.2°	+1.3°	6.64"	10.77"	-4.13"	13.8"	NA	NA
Dubuque	48.2°	47.2°	+1.0°	5.98"	10.61"	-4.63"	15.0"	7.6"	+7.4"
Iowa City	51.3°	51.1°	+0.2°	5.63"	10.45"	-4.82"	NA	NA	NA
Moline	53.0°	51.2°	+1.8°	5.22"	11.10"	-5.88"	10.5"	5.5"	+5.0"

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

Spring 2023 was about normal to 2 degrees above normal.

Precipitation totals were about 4 to 6 inches below normal!

Snowfall totals were about 5 to 7 inches above normal.

Please see Spring Records for seasonal record information.

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

Some of these maps become available during the afternoon 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