National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, April 2000

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 2000
1-Month
2.32"
(58.93mm)
2.52"
(64.01mm)
-0.20"
(-5.08mm)
45th Driest
Driest since:
1987
84th Wettest
Wettest since:
1957
Ties: 1907, 1915, 1988
Mar–Apr 2000
2-Month
4.76"
(120.90mm)
5.03"
(127.76mm)
-0.27"
(-6.86mm)
49th Driest
Driest since:
1910
80th Wettest
Wettest since:
1973
Feb–Apr 2000
3-Month
6.88"
(174.75mm)
7.16"
(181.86mm)
-0.28"
(-7.11mm)
55th Driest
Driest since:
1910
74th Wettest
Wettest since:
1983
Ties: 1899, 2001
Jan–Apr 2000
4-Month
9.02"
(229.11mm)
9.48"
(240.79mm)
-0.46"
(-11.68mm)
51st Driest
Driest since:
1910
78th Wettest
Wettest since:
1998
Dec 1999–Apr 2000
5-Month
10.75"
(273.05mm)
11.82"
(300.23mm)
-1.07"
(-27.18mm)
27th Driest
Driest since:
1931
101st Wettest
Wettest since:
1983
Nov 1999–Apr 2000
6-Month
12.19"
(309.63mm)
14.05"
(356.87mm)
-1.86"
(-47.24mm)
10th Driest
Driest since:
1977
118th Wettest
Wettest since:
1983
Oct 1999–Apr 2000
7-Month
13.76"
(349.50mm)
16.22"
(411.99mm)
-2.46"
(-62.49mm)
7th Driest
Driest since:
1981
121st Wettest
Wettest since:
1983
Sep 1999–Apr 2000
8-Month
16.28"
(413.51mm)
18.71"
(475.23mm)
-2.43"
(-61.72mm)
9th Driest
Driest since:
1918
119th Wettest
Wettest since:
2019
Aug 1999–Apr 2000
9-Month
18.58"
(471.93mm)
21.33"
(541.78mm)
-2.75"
(-69.85mm)
8th Driest
Driest since:
1918
120th Wettest
Wettest since:
2019
Jul 1999–Apr 2000
10-Month
21.16"
(537.46mm)
24.12"
(612.65mm)
-2.96"
(-75.19mm)
9th Driest
Driest since:
1931
119th Wettest
Wettest since:
2019
Jun 1999–Apr 2000
11-Month
24.47"
(621.54mm)
27.04"
(686.82mm)
-2.57"
(-65.28mm)
12th Driest
Driest since:
1931
116th Wettest
Wettest since:
2019
May 1999–Apr 2000
12-Month
27.38"
(695.45mm)
29.95"
(760.73mm)
-2.57"
(-65.28mm)
16th Driest
Driest since:
1918
112th Wettest
Wettest since:
2019
Nov 1998–Apr 2000
18-Month
42.20"
(1,071.88mm)
44.02"
(1,118.11mm)
-1.82"
(-46.23mm)
31st Driest
Driest since:
1931
96th Wettest
Wettest since:
2020
May 1998–Apr 2000
24-Month
58.90"
(1,496.06mm)
59.92"
(1,521.97mm)
-1.02"
(-25.91mm)
47th Driest
Driest since:
1955
80th Wettest
Wettest since:
2020
Ties: 1914
May 1997–Apr 2000
36-Month
92.61"
(2,352.29mm)
89.88"
(2,282.95mm)
2.73"
(69.34mm)
87th Driest
Driest since:
1955
39th Wettest
Wettest since:
2020
Ties: 1947
May 1996–Apr 2000
48-Month
127.43"
(3,236.72mm)
119.77"
(3,042.16mm)
7.66"
(194.56mm)
109th Driest
Driest since:
1956
16th Wettest
Wettest since:
2019
May 1995–Apr 2000
60-Month
159.03"
(4,039.36mm)
149.63"
(3,800.60mm)
9.40"
(238.76mm)
110th Driest
Driest since:
1957
14th Wettest
Wettest since:
2020

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