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 1951

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 1951
1-Month
2.93"
(74.42mm)
3.73"
(94.74mm)
-0.80"
(-20.32mm)
38th Driest
Driest since:
1964
91st Wettest
Wettest since:
2018
Ties: 1993
Apr–May 1951
2-Month
6.47"
(164.34mm)
7.21"
(183.13mm)
-0.74"
(-18.79mm)
52nd Driest
Driest since:
1963
77th Wettest
Wettest since:
1983
Mar–May 1951
3-Month
9.67"
(245.62mm)
10.99"
(279.15mm)
-1.32"
(-33.53mm)
38th Driest
Driest since:
1986
91st Wettest
Wettest since:
1983
Feb–May 1951
4-Month
12.71"
(322.83mm)
13.88"
(352.55mm)
-1.17"
(-29.72mm)
39th Driest
Driest since:
2006
90th Wettest
Wettest since:
1983
Jan–May 1951
5-Month
15.13"
(384.30mm)
17.23"
(437.64mm)
-2.10"
(-53.34mm)
34th Driest
Driest since:
1969
95th Wettest
Wettest since:
1998
Dec 1950–May 1951
6-Month
18.39"
(467.11mm)
20.52"
(521.21mm)
-2.13"
(-54.10mm)
35th Driest
Driest since:
1986
93rd Wettest
Wettest since:
1984
Nov 1950–May 1951
7-Month
21.69"
(550.93mm)
23.51"
(597.15mm)
-1.82"
(-46.22mm)
47th Driest
Driest since:
1977
81st Wettest
Wettest since:
1998
Oct 1950–May 1951
8-Month
24.22"
(615.19mm)
26.64"
(676.66mm)
-2.42"
(-61.47mm)
45th Driest
Driest since:
1925
83rd Wettest
Wettest since:
1984
Sep 1950–May 1951
9-Month
30.58"
(776.73mm)
30.19"
(766.83mm)
0.39"
(9.90mm)
73rd Driest
Driest since:
2002
55th Wettest
Wettest since:
2019
Aug 1950–May 1951
10-Month
34.05"
(864.87mm)
34.56"
(877.82mm)
-0.51"
(-12.95mm)
58th Driest
Driest since:
1931
70th Wettest
Wettest since:
2019
Jul 1950–May 1951
11-Month
38.53"
(978.66mm)
38.72"
(983.49mm)
-0.19"
(-4.83mm)
59th Driest
Driest since:
1931
69th Wettest
Wettest since:
2019
Jun 1950–May 1951
12-Month
41.54"
(1,055.12mm)
42.56"
(1,081.02mm)
-1.02"
(-25.90mm)
55th Driest
Driest since:
1931
73rd Wettest
Wettest since:
2019
Dec 1949–May 1951
18-Month
59.83"
(1,519.68mm)
63.04"
(1,601.22mm)
-3.21"
(-81.54mm)
39th Driest
Driest since:
1931
88th Wettest
Wettest since:
2019
Jun 1949–May 1951
24-Month
80.13"
(2,035.30mm)
85.05"
(2,160.27mm)
-4.92"
(-124.97mm)
32nd Driest
Driest since:
1931
95th Wettest
Wettest since:
2019
Jun 1948–May 1951
36-Month
131.53"
(3,340.86mm)
127.65"
(3,242.31mm)
3.88"
(98.55mm)
72nd Driest
Driest since:
1967
54th Wettest
Wettest since:
2021
Jun 1947–May 1951
48-Month
177.03"
(4,496.56mm)
170.18"
(4,322.57mm)
6.85"
(173.99mm)
84th Driest
Driest since:
1966
41st Wettest
Wettest since:
2021
Jun 1946–May 1951
60-Month
214.71"
(5,453.63mm)
212.57"
(5,399.28mm)
2.14"
(54.35mm)
61st Driest
Driest since:
1969
63rd Wettest
Wettest since:
2022

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