Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Missouri

Precipitation Rankings, December 2009

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 2009
1-Month
2.97"
(75.44mm)
2.31"
(58.67mm)
0.66"
(16.77mm)
99th Driest
Driest since:
1955
30th Wettest
Wettest since:
1982
Nov–Dec 2009
2-Month
5.24"
(133.10mm)
5.22"
(132.59mm)
0.02"
(0.51mm)
75th Driest
Driest since:
1976
54th Wettest
Wettest since:
2015
Ties: 1951
Oct–Dec 2009
3-Month
15.11"
(383.79mm)
8.42"
(213.87mm)
6.69"
(169.92mm)
125th Driest
Driest since:
1904
4th Wettest
Wettest since:
2015
Sep–Dec 2009
4-Month
18.87"
(479.30mm)
12.51"
(317.75mm)
6.36"
(161.55mm)
123rd Driest
Driest since:
1950
6th Wettest
Wettest since:
1941
Aug–Dec 2009
5-Month
23.64"
(600.46mm)
16.22"
(411.99mm)
7.42"
(188.47mm)
124th Driest
Driest since:
1953
5th Wettest
Wettest since:
1982
Ties: 1985
Jul–Dec 2009
6-Month
28.10"
(713.74mm)
19.93"
(506.22mm)
8.17"
(207.52mm)
124th Driest
Driest since:
1953
5th Wettest
Wettest since:
1993
Jun–Dec 2009
7-Month
33.87"
(860.30mm)
24.55"
(623.57mm)
9.32"
(236.73mm)
125th Driest
Driest since:
1953
4th Wettest
Wettest since:
1993
May–Dec 2009
8-Month
39.73"
(1,009.14mm)
29.20"
(741.68mm)
10.53"
(267.46mm)
125th Driest
Driest since:
1953
4th Wettest
Wettest since:
2015
Apr–Dec 2009
9-Month
44.96"
(1,141.98mm)
33.17"
(842.52mm)
11.79"
(299.46mm)
125th Driest
Driest since:
1953
4th Wettest
Wettest since:
2015
Mar–Dec 2009
10-Month
48.93"
(1,242.82mm)
36.39"
(924.31mm)
12.54"
(318.51mm)
123rd Driest
Driest since:
1953
6th Wettest
Wettest since:
2015
Feb–Dec 2009
11-Month
50.82"
(1,290.83mm)
38.41"
(975.61mm)
12.41"
(315.22mm)
123rd Driest
Driest since:
1953
6th Wettest
Wettest since:
2008
Jan–Dec 2009
12-Month
51.71"
(1,313.43mm)
40.50"
(1,028.70mm)
11.21"
(284.73mm)
119th Driest
Driest since:
1953
10th Wettest
Wettest since:
1973
Jul 2008–Dec 2009
18-Month
76.01"
(1,930.65mm)
60.46"
(1,535.68mm)
15.55"
(394.97mm)
121st Driest
Driest since:
1953
7th Wettest
Wettest since:
1993
Jan 2008–Dec 2009
24-Month
107.81"
(2,738.37mm)
81.03"
(2,058.16mm)
26.78"
(680.21mm)
127th Driest
Driest since:
1953
1st Wettest
Wettest to Date
2009
Jan 2007–Dec 2009
36-Month
147.39"
(3,743.71mm)
121.57"
(3,087.88mm)
25.82"
(655.83mm)
125th Driest
Driest since:
1954
2nd Wettest
Wettest to Date
2010
Jan 2006–Dec 2009
48-Month
185.40"
(4,709.16mm)
162.16"
(4,118.86mm)
23.24"
(590.30mm)
119th Driest
Driest since:
1956
7th Wettest
Wettest since:
2011
Jan 2005–Dec 2009
60-Month
221.81"
(5,633.97mm)
202.77"
(5,150.36mm)
19.04"
(483.61mm)
108th Driest
Driest since:
1956
17th Wettest
Wettest since:
2011

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