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 October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1999
1-Month
0.77"
(19.56mm)
2.29"
(58.17mm)
-1.52"
(-38.61mm)
9th Driest Driest since: 1988 1952
117th Wettest Wettest since: 1998 2009
Sep–Oct 1999
2-Month
2.61"
(66.29mm)
5.96"
(151.38mm)
-3.35"
(-85.09mm)
6th Driest Driest since: 1975 1952
120th Wettest Wettest since: 1998 1941
Aug–Oct 1999
3-Month
5.72"
(145.29mm)
9.80"
(248.92mm)
-4.08"
(-103.63mm)
8th Driest Driest since: 1976 1953
118th Wettest Wettest since: 1998 2018
Jul–Oct 1999
4-Month
10.93"
(277.62mm)
13.66"
(346.96mm)
-2.73"
(-69.34mm)
29th Driest Driest since: 1988 1953, 1976
97th Wettest Wettest since: 1998 1993
Jun–Oct 1999
5-Month
16.22"
(411.99mm)
18.29"
(464.57mm)
-2.07"
(-52.58mm)
39th Driest Driest since: 1995 1976
87th Wettest Wettest since: 1998 1993
May–Oct 1999
6-Month
21.11"
(536.19mm)
22.33"
(567.18mm)
-1.22"
(-30.99mm)
48th Driest Driest since: 1997 1976
78th Wettest Wettest since: 1998 1993
Apr–Oct 1999
7-Month
27.37"
(695.20mm)
25.28"
(642.11mm)
2.09"
(53.09mm)
84th Driest Driest since: 1997 1988
42nd Wettest Wettest since: 1998 1993
Mar–Oct 1999
8-Month
28.35"
(720.09mm)
27.23"
(691.64mm)
1.12"
(28.45mm)
70th Driest Driest since: 1997 1988
56th Wettest Wettest since: 1998 1993
Feb–Oct 1999
9-Month
29.26"
(743.20mm)
28.25"
(717.55mm)
1.01"
(25.65mm)
71st Driest Driest since: 1997 1988
55th Wettest Wettest since: 1998 1993
Jan–Oct 1999
10-Month
30.55"
(775.97mm)
29.23"
(742.44mm)
1.32"
(33.53mm)
75th Driest Driest since: 1997 1988
51st Wettest Wettest since: 1998 1993
Dec 1998–Oct 1999
11-Month
30.97"
(786.64mm)
30.33"
(770.38mm)
0.64"
(16.26mm)
64th Driest Driest since: 1997 1988
61st Wettest Wettest since: 1998 1993
Nov 1998–Oct 1999
12-Month
32.58"
(827.53mm)
32.07"
(814.58mm)
0.51"
(12.95mm)
65th Driest Driest since: 1997 1956
60th Wettest Wettest since: 1998 1993
May 1998–Oct 1999
18-Month
59.85"
(1,520.19mm)
54.47"
(1,383.54mm)
5.38"
(136.65mm)
94th Driest Driest since: 1997 1956
31st Wettest Wettest since: 1998 2019
Nov 1997–Oct 1999
24-Month
72.14"
(1,832.36mm)
64.23"
(1,631.44mm)
7.91"
(200.92mm)
104th Driest Driest since: 1998 1956
20th Wettest Wettest since: 1994 1993
Nov 1996–Oct 1999
36-Month
102.85"
(2,612.39mm)
96.34"
(2,447.04mm)
6.51"
(165.35mm)
93rd Driest Driest since: 1998 1957
30th Wettest Wettest since: 1995 2010
Nov 1995–Oct 1999
48-Month
135.09"
(3,431.29mm)
128.36"
(3,260.34mm)
6.73"
(170.95mm)
89th Driest Driest since: 1997 1958
33rd Wettest Wettest since: 1998 2010
Nov 1994–Oct 1999
60-Month
168.65"
(4,283.71mm)
160.34"
(4,072.64mm)
8.31"
(211.07mm)
91st Driest Driest since: 1998 1956
30th Wettest Wettest since: 1997 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/