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 April 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1949

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 1949
1-Month
3.20"
(81.28mm)
3.67"
(93.22mm)
-0.47"
(-11.94mm)
63rd Driest Driest since: 1948 1939
65th Wettest Wettest since: 1946 1965
Aug–Sep 1949
2-Month
5.49"
(139.45mm)
7.51"
(190.75mm)
-2.02"
(-51.30mm)
25th Driest Driest since: 1948 1976
103rd Wettest Wettest since: 1946 2018
Jul–Sep 1949
3-Month
9.05"
(229.87mm)
11.36"
(288.54mm)
-2.31"
(-58.67mm)
32nd Driest Driest since: 1948 2013
96th Wettest Wettest since: 1946 1993
Jun–Sep 1949
4-Month
14.60"
(370.84mm)
16.00"
(406.40mm)
-1.40"
(-35.56mm)
46th Driest Driest since: 1948 2012
82nd Wettest Wettest since: 1947 1993
May–Sep 1949
5-Month
17.27"
(438.66mm)
20.04"
(509.02mm)
-2.77"
(-70.36mm)
27th Driest Driest since: 1948 1976
101st Wettest Wettest since: 1947 1993
Apr–Sep 1949
6-Month
18.58"
(471.93mm)
22.99"
(583.95mm)
-4.41"
(-112.02mm)
17th Driest Driest since: 1948 1988
111th Wettest Wettest since: 1947 1993
Mar–Sep 1949
7-Month
21.06"
(534.92mm)
24.94"
(633.48mm)
-3.88"
(-98.56mm)
22nd Driest Driest since: 1948 1988
106th Wettest Wettest since: 1947 1993
Feb–Sep 1949
8-Month
21.95"
(557.53mm)
25.96"
(659.38mm)
-4.01"
(-101.85mm)
22nd Driest Driest since: 1948 1988
106th Wettest Wettest since: 1947 1993
Jan–Sep 1949
9-Month
24.65"
(626.11mm)
26.93"
(684.02mm)
-2.28"
(-57.91mm)
40th Driest Driest since: 1948 1988
88th Wettest Wettest since: 1947 1993
Dec 1948–Sep 1949
10-Month
26.33"
(668.78mm)
28.04"
(712.22mm)
-1.71"
(-43.44mm)
46th Driest Driest since: 1948 1988
81st Wettest Wettest since: 1947 1993
Nov 1948–Sep 1949
11-Month
29.05"
(737.87mm)
29.78"
(756.41mm)
-0.73"
(-18.54mm)
55th Driest Driest since: 1948 1934
72nd Wettest Wettest since: 1947 1993
Oct 1948–Sep 1949
12-Month
30.97"
(786.64mm)
32.09"
(815.09mm)
-1.12"
(-28.45mm)
51st Driest Driest since: 1948 1934
76th Wettest Wettest since: 1947 1993
Apr 1948–Sep 1949
18-Month
48.41"
(1,229.61mm)
55.13"
(1,400.30mm)
-6.72"
(-170.69mm)
17th Driest Driest since: 1940 1934
110th Wettest Wettest since: 1948 1993
Oct 1947–Sep 1949
24-Month
60.24"
(1,530.10mm)
64.26"
(1,632.20mm)
-4.02"
(-102.10mm)
35th Driest Driest since: 1941 1956
91st Wettest Wettest since: 1948 1993
Oct 1946–Sep 1949
36-Month
93.27"
(2,369.06mm)
96.36"
(2,447.54mm)
-3.09"
(-78.48mm)
43rd Driest Driest since: 1941 1957
82nd Wettest Wettest since: 1948 2010
Oct 1945–Sep 1949
48-Month
126.05"
(3,201.67mm)
128.36"
(3,260.34mm)
-2.31"
(-58.67mm)
47th Driest Driest since: 1942 1958
77th Wettest Wettest since: 1948 2010
Oct 1944–Sep 1949
60-Month
160.60"
(4,079.24mm)
160.34"
(4,072.64mm)
0.26"
(6.60mm)
63rd Driest Driest since: 1943 1957
60th Wettest Wettest since: 1948 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 20, 2022 from https://www.ncdc.noaa.gov/cag/