Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 2003

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2003
1-Month
3.11"
(78.99mm)
3.67"
(93.22mm)
-0.56"
(-14.23mm)
59th Driest Driest since: 2002 1939
69th Wettest Wettest since: 2001 1965
Ties: 1997
Aug–Sep 2003
2-Month
4.14"
(105.16mm)
7.51"
(190.75mm)
-3.37"
(-85.59mm)
9th Driest Driest since: 1984 1976
119th Wettest Wettest since: 2002 2018
Jul–Sep 2003
3-Month
8.25"
(209.55mm)
11.36"
(288.54mm)
-3.11"
(-78.99mm)
19th Driest Driest since: 1984 2013
109th Wettest Wettest since: 2002 1993
Jun–Sep 2003
4-Month
12.73"
(323.34mm)
16.00"
(406.40mm)
-3.27"
(-83.06mm)
20th Driest Driest since: 1991 2012
108th Wettest Wettest since: 2002 1993
May–Sep 2003
5-Month
17.34"
(440.44mm)
20.04"
(509.02mm)
-2.70"
(-68.58mm)
29th Driest Driest since: 1997 1976
99th Wettest Wettest since: 2002 1993
Apr–Sep 2003
6-Month
20.59"
(522.99mm)
22.99"
(583.95mm)
-2.40"
(-60.96mm)
33rd Driest Driest since: 1997 1988
95th Wettest Wettest since: 2002 1993
Mar–Sep 2003
7-Month
21.74"
(552.20mm)
24.94"
(633.48mm)
-3.20"
(-81.28mm)
28th Driest Driest since: 1997 1988
100th Wettest Wettest since: 2002 1993
Feb–Sep 2003
8-Month
22.56"
(573.02mm)
25.96"
(659.38mm)
-3.40"
(-86.36mm)
24th Driest Driest since: 1989 1988
104th Wettest Wettest since: 2002 1993
Jan–Sep 2003
9-Month
22.95"
(582.93mm)
26.93"
(684.02mm)
-3.98"
(-101.09mm)
20th Driest Driest since: 1989 1988
108th Wettest Wettest since: 2002 1993
Dec 2002–Sep 2003
10-Month
23.19"
(589.03mm)
28.04"
(712.22mm)
-4.85"
(-123.19mm)
14th Driest Driest since: 1989 1988
113th Wettest Wettest since: 2002 1993
Nov 2002–Sep 2003
11-Month
23.41"
(594.61mm)
29.78"
(756.41mm)
-6.37"
(-161.80mm)
7th Driest Driest since: 1988 1934
120th Wettest Wettest since: 2002 1993
Oct 2002–Sep 2003
12-Month
26.99"
(685.55mm)
32.09"
(815.09mm)
-5.10"
(-129.54mm)
18th Driest Driest since: 2000 1934
109th Wettest Wettest since: 2002 1993
Apr 2002–Sep 2003
18-Month
49.98"
(1,269.49mm)
55.13"
(1,400.30mm)
-5.15"
(-130.81mm)
26th Driest Driest since: 1989 1934
101st Wettest Wettest since: 2002 1993
Oct 2001–Sep 2003
24-Month
57.27"
(1,454.66mm)
64.26"
(1,632.20mm)
-6.99"
(-177.54mm)
18th Driest Driest since: 1989 1956
108th Wettest Wettest since: 2002 1993
Oct 2000–Sep 2003
36-Month
92.64"
(2,353.06mm)
96.36"
(2,447.54mm)
-3.72"
(-94.48mm)
39th Driest Driest since: 2002 1957
86th Wettest Wettest since: 2001 2010
Oct 1999–Sep 2003
48-Month
119.25"
(3,028.95mm)
128.36"
(3,260.34mm)
-9.11"
(-231.39mm)
18th Driest Driest since: 1990 1958
106th Wettest Wettest since: 2002 2010
Oct 1998–Sep 2003
60-Month
155.89"
(3,959.61mm)
160.34"
(4,072.64mm)
-4.45"
(-113.03mm)
36th Driest Driest since: 1991 1957
87th Wettest Wettest since: 2002 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/