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, May 1931

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
May 1931
1-Month
4.48"
(113.79mm)
4.66"
(118.36mm)
-0.18"
(-4.57mm)
56th Driest
Driest since:
1901
73rd Wettest
Wettest since:
2019
Apr–May 1931
2-Month
7.43"
(188.72mm)
8.63"
(219.20mm)
-1.20"
(-30.48mm)
39th Driest
Driest since:
1901
90th Wettest
Wettest since:
2017
Mar–May 1931
3-Month
10.53"
(267.46mm)
11.84"
(300.74mm)
-1.31"
(-33.28mm)
44th Driest
Driest since:
1936
85th Wettest
Wettest since:
1973
Feb–May 1931
4-Month
13.05"
(331.47mm)
13.86"
(352.04mm)
-0.81"
(-20.57mm)
54th Driest
Driest since:
1936
75th Wettest
Wettest since:
1945
Jan–May 1931
5-Month
13.72"
(348.49mm)
15.95"
(405.13mm)
-2.23"
(-56.64mm)
30th Driest
Driest since:
1936
99th Wettest
Wettest since:
1973
Dec 1930–May 1931
6-Month
14.90"
(378.46mm)
18.25"
(463.55mm)
-3.35"
(-85.09mm)
22nd Driest
Driest since:
1936
106th Wettest
Wettest since:
1973
Nov 1930–May 1931
7-Month
17.74"
(450.60mm)
21.16"
(537.46mm)
-3.42"
(-86.86mm)
23rd Driest
Driest since:
1934
105th Wettest
Wettest since:
1973
Oct 1930–May 1931
8-Month
20.94"
(531.88mm)
24.37"
(619.00mm)
-3.43"
(-87.12mm)
28th Driest
Driest since:
1934
100th Wettest
Wettest since:
1973
Sep 1930–May 1931
9-Month
25.28"
(642.11mm)
28.49"
(723.65mm)
-3.21"
(-81.54mm)
32nd Driest
Driest since:
1940
96th Wettest
Wettest since:
1927
Aug 1930–May 1931
10-Month
27.33"
(694.18mm)
32.21"
(818.13mm)
-4.88"
(-123.95mm)
23rd Driest
Driest since:
1954
105th Wettest
Wettest since:
1927
Jul 1930–May 1931
11-Month
28.38"
(720.85mm)
35.92"
(912.37mm)
-7.54"
(-191.52mm)
11th Driest
Driest since:
1954
117th Wettest
Wettest since:
1927
Jun 1930–May 1931
12-Month
32.03"
(813.56mm)
40.52"
(1,029.21mm)
-8.49"
(-215.65mm)
7th Driest
Driest since:
1954
121st Wettest
Wettest since:
1994
Dec 1929–May 1931
18-Month
46.60"
(1,183.64mm)
58.77"
(1,492.76mm)
-12.17"
(-309.12mm)
6th Driest
Driest since:
1954
121st Wettest
Wettest since:
2020
Jun 1929–May 1931
24-Month
68.65"
(1,743.71mm)
81.08"
(2,059.43mm)
-12.43"
(-315.72mm)
10th Driest
Driest since:
1954
117th Wettest
Wettest since:
1994
Jun 1928–May 1931
36-Month
123.49"
(3,136.65mm)
121.61"
(3,088.89mm)
1.88"
(47.76mm)
67th Driest
Driest since:
1956
59th Wettest
Wettest since:
1929
Jun 1927–May 1931
48-Month
165.98"
(4,215.89mm)
162.17"
(4,119.12mm)
3.81"
(96.77mm)
71st Driest
Driest since:
1956
54th Wettest
Wettest since:
2011
Jun 1926–May 1931
60-Month
222.03"
(5,639.56mm)
202.74"
(5,149.60mm)
19.29"
(489.96mm)
105th Driest
Driest since:
1957
19th Wettest
Wettest since:
2020

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