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 1999

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 1999
1-Month
4.65"
(118.11mm)
4.66"
(118.36mm)
-0.01"
(-0.25mm)
60th Driest
Driest since:
1901
69th Wettest
Wettest since:
2019
Apr–May 1999
2-Month
10.66"
(270.76mm)
8.63"
(219.20mm)
2.03"
(51.56mm)
96th Driest
Driest since:
1901
33rd Wettest
Wettest since:
2017
Mar–May 1999
3-Month
13.41"
(340.61mm)
11.84"
(300.74mm)
1.57"
(39.87mm)
83rd Driest
Driest since:
1936
46th Wettest
Wettest since:
1973
Feb–May 1999
4-Month
15.68"
(398.27mm)
13.86"
(352.04mm)
1.82"
(46.23mm)
88th Driest
Driest since:
1936
41st Wettest
Wettest since:
1945
Jan–May 1999
5-Month
18.96"
(481.58mm)
15.95"
(405.13mm)
3.01"
(76.45mm)
105th Driest
Driest since:
1936
24th Wettest
Wettest since:
1973
Ties: 1903
Dec 1998–May 1999
6-Month
20.65"
(524.51mm)
18.25"
(463.55mm)
2.40"
(60.96mm)
88th Driest
Driest since:
1936
40th Wettest
Wettest since:
1973
Nov 1998–May 1999
7-Month
23.86"
(606.04mm)
21.16"
(537.46mm)
2.70"
(68.58mm)
88th Driest
Driest since:
1934
40th Wettest
Wettest since:
1973
Oct 1998–May 1999
8-Month
29.52"
(749.81mm)
24.37"
(619.00mm)
5.15"
(130.81mm)
108th Driest
Driest since:
1934
20th Wettest
Wettest since:
1973
Sep 1998–May 1999
9-Month
34.17"
(867.92mm)
28.49"
(723.65mm)
5.68"
(144.27mm)
108th Driest
Driest since:
1940
20th Wettest
Wettest since:
1927
Aug 1998–May 1999
10-Month
36.55"
(928.37mm)
32.21"
(818.13mm)
4.34"
(110.24mm)
98th Driest
Driest since:
1954
30th Wettest
Wettest since:
1927
Jul 1998–May 1999
11-Month
42.99"
(1,091.95mm)
35.92"
(912.37mm)
7.07"
(179.58mm)
109th Driest
Driest since:
1954
19th Wettest
Wettest since:
1927
Jun 1998–May 1999
12-Month
50.26"
(1,276.60mm)
40.52"
(1,029.21mm)
9.74"
(247.39mm)
117th Driest
Driest since:
1954
11th Wettest
Wettest since:
1994
Dec 1997–May 1999
18-Month
71.31"
(1,811.27mm)
58.77"
(1,492.76mm)
12.54"
(318.51mm)
118th Driest
Driest since:
1954
9th Wettest
Wettest since:
2020
Jun 1997–May 1999
24-Month
90.69"
(2,303.53mm)
81.08"
(2,059.43mm)
9.61"
(244.10mm)
102nd Driest
Driest since:
1954
25th Wettest
Wettest since:
1994
Jun 1996–May 1999
36-Month
135.19"
(3,433.83mm)
121.61"
(3,088.89mm)
13.58"
(344.94mm)
103rd Driest
Driest since:
1956
23rd Wettest
Wettest since:
1929
Jun 1995–May 1999
48-Month
172.96"
(4,393.18mm)
162.17"
(4,119.12mm)
10.79"
(274.06mm)
93rd Driest
Driest since:
1956
32nd Wettest
Wettest since:
2011
Jun 1994–May 1999
60-Month
218.87"
(5,559.30mm)
202.74"
(5,149.60mm)
16.13"
(409.70mm)
99th Driest
Driest since:
1957
25th Wettest
Wettest since:
2020

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