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.

Maryland

Precipitation Rankings, May 2001

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 2001
1-Month
4.44"
(112.78mm)
3.73"
(94.74mm)
0.71"
(18.04mm)
85th Driest
Driest since:
1964
44th Wettest
Wettest since:
2018
Apr–May 2001
2-Month
6.50"
(165.10mm)
7.21"
(183.13mm)
-0.71"
(-18.03mm)
53rd Driest
Driest since:
1963
76th Wettest
Wettest since:
1983
Mar–May 2001
3-Month
11.45"
(290.83mm)
10.99"
(279.15mm)
0.46"
(11.68mm)
82nd Driest
Driest since:
1986
47th Wettest
Wettest since:
1983
Feb–May 2001
4-Month
13.65"
(346.71mm)
13.88"
(352.55mm)
-0.23"
(-5.84mm)
61st Driest
Driest since:
2006
68th Wettest
Wettest since:
1983
Jan–May 2001
5-Month
16.40"
(416.56mm)
17.23"
(437.64mm)
-0.83"
(-21.08mm)
56th Driest
Driest since:
1969
73rd Wettest
Wettest since:
1998
Ties: 1917, 1928
Dec 2000–May 2001
6-Month
19.22"
(488.19mm)
20.52"
(521.21mm)
-1.30"
(-33.02mm)
44th Driest
Driest since:
1986
84th Wettest
Wettest since:
1984
Nov 2000–May 2001
7-Month
21.27"
(540.26mm)
23.51"
(597.15mm)
-2.24"
(-56.89mm)
42nd Driest
Driest since:
1977
86th Wettest
Wettest since:
1998
Ties: 2017
Oct 2000–May 2001
8-Month
21.62"
(549.15mm)
26.64"
(676.66mm)
-5.02"
(-127.51mm)
11th Driest
Driest since:
1925
117th Wettest
Wettest since:
1984
Sep 2000–May 2001
9-Month
26.90"
(683.26mm)
30.19"
(766.83mm)
-3.29"
(-83.57mm)
33rd Driest
Driest since:
2002
95th Wettest
Wettest since:
2019
Aug 2000–May 2001
10-Month
31.00"
(787.40mm)
34.56"
(877.82mm)
-3.56"
(-90.42mm)
34th Driest
Driest since:
1931
94th Wettest
Wettest since:
2019
Jul 2000–May 2001
11-Month
37.39"
(949.71mm)
38.72"
(983.49mm)
-1.33"
(-33.78mm)
49th Driest
Driest since:
1931
79th Wettest
Wettest since:
2019
Jun 2000–May 2001
12-Month
42.37"
(1,076.20mm)
42.56"
(1,081.02mm)
-0.19"
(-4.82mm)
59th Driest
Driest since:
1931
69th Wettest
Wettest since:
2019
Dec 1999–May 2001
18-Month
62.98"
(1,599.69mm)
63.04"
(1,601.22mm)
-0.06"
(-1.53mm)
58th Driest
Driest since:
1931
69th Wettest
Wettest since:
2019
Jun 1999–May 2001
24-Month
87.75"
(2,228.85mm)
85.05"
(2,160.27mm)
2.70"
(68.58mm)
73rd Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Jun 1998–May 2001
36-Month
120.84"
(3,069.34mm)
127.65"
(3,242.31mm)
-6.81"
(-172.97mm)
24th Driest
Driest since:
1967
102nd Wettest
Wettest since:
2021
Jun 1997–May 2001
48-Month
170.77"
(4,337.56mm)
170.18"
(4,322.57mm)
0.59"
(14.99mm)
56th Driest
Driest since:
1966
69th Wettest
Wettest since:
2021
Jun 1996–May 2001
60-Month
223.26"
(5,670.80mm)
212.57"
(5,399.28mm)
10.69"
(271.52mm)
89th Driest
Driest since:
1969
35th Wettest
Wettest since:
2022

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