Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Climate/Almanac Data - August Normals - August Records

August

Site (Click site name for report)	Avg Temp	Normal 1991-2020	Dept From Norm	Precip Total	Normal 1991-2020	Dept From Norm
Burlington	73.3°	73.8°	-0.5°	7.56"	3.77"	+3.79"
Cedar Rapids	73.2°	70.8°	+2.4°	1.95"	4.07"	-2.12"
Davenport	72.8°	71.7°	+1.1°	1.90"	3.96"	-2.06"
Dubuque	71.3°	69.8°	+1.5°	4.01"	3.95"	+0.06"
Iowa City	74.5°	73.5°	+1.0°	2.11"	3.94"	-1.83"
Moline	72.5°	73.4°	-0.9°	2.35"	3.97"	-1.62"

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

August 2023 was about 1 degree below normal at Moline to 2.5 degrees above normal at Cedar Rapids.

Precipitation totals were normal near Dubuque, 1.5 to 2" below normal along I-80, and 3 3/4 inches above normal near Burlington.

Please see August Records for monthly record information.

Burlington	Cedar Rapids	Davenport	Dubuque	Iowa City	Moline

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

Climate/Almanac Data - Summer Normals - Summer Records

Summer
(Jun-Aug)

Site (Click site name for report courtesy of the Iowa Environmental Mesonet.)	Average Temperature	Normal 1991-2020	Departure From Normal	Precipitation Total	Normal 1991-2020	Departure From Normal
Burlington	73.2°	73.9°	-0.7°	17.12"	12.66"	+4.46"
Cedar Rapids	72.6°	71.1°	+1.5°	6.19"	14.04"	-7.85"
Davenport	72.7°	72.2°	+0.5°	7.21"	12.76"	-5.55"
Dubuque	71.1°	70.0°	+1.1°	10.49"	13.94"	-3.45"
Iowa City	74.2°	73.9°	+0.3°	5.74"	13.14"	-7.40"
Moline	74.0°	73.7°	+0.3°	6.89"	13.21"	-6.32"