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 1972

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 1972
1-Month
4.96"
(125.98mm)
3.73"
(94.74mm)
1.23"
(31.24mm)
98th Driest
Driest since:
1964
31st Wettest
Wettest since:
2018
Apr–May 1972
2-Month
9.56"
(242.82mm)
7.21"
(183.13mm)
2.35"
(59.69mm)
109th Driest
Driest since:
1963
20th Wettest
Wettest since:
1983
Mar–May 1972
3-Month
12.31"
(312.67mm)
10.99"
(279.15mm)
1.32"
(33.52mm)
92nd Driest
Driest since:
1986
37th Wettest
Wettest since:
1983
Ties: 2022
Feb–May 1972
4-Month
17.85"
(453.39mm)
13.88"
(352.55mm)
3.97"
(100.84mm)
114th Driest
Driest since:
2006
15th Wettest
Wettest since:
1983
Jan–May 1972
5-Month
20.87"
(530.10mm)
17.23"
(437.64mm)
3.64"
(92.46mm)
110th Driest
Driest since:
1969
19th Wettest
Wettest since:
1998
Dec 1971–May 1972
6-Month
22.50"
(571.50mm)
20.52"
(521.21mm)
1.98"
(50.29mm)
95th Driest
Driest since:
1986
33rd Wettest
Wettest since:
1984
Nov 1971–May 1972
7-Month
26.44"
(671.58mm)
23.51"
(597.15mm)
2.93"
(74.43mm)
97th Driest
Driest since:
1977
31st Wettest
Wettest since:
1998
Oct 1971–May 1972
8-Month
32.86"
(834.64mm)
26.64"
(676.66mm)
6.22"
(157.98mm)
110th Driest
Driest since:
1925
18th Wettest
Wettest since:
1984
Sep 1971–May 1972
9-Month
37.16"
(943.86mm)
30.19"
(766.83mm)
6.97"
(177.03mm)
112th Driest
Driest since:
2002
16th Wettest
Wettest since:
2019
Aug 1971–May 1972
10-Month
45.33"
(1,151.38mm)
34.56"
(877.82mm)
10.77"
(273.56mm)
126th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
Jul 1971–May 1972
11-Month
49.21"
(1,249.93mm)
38.72"
(983.49mm)
10.49"
(266.44mm)
126th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
Jun 1971–May 1972
12-Month
51.43"
(1,306.32mm)
42.56"
(1,081.02mm)
8.87"
(225.30mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Dec 1970–May 1972
18-Month
74.26"
(1,886.20mm)
63.04"
(1,601.22mm)
11.22"
(284.98mm)
117th Driest
Driest since:
1931
10th Wettest
Wettest since:
2019
Jun 1970–May 1972
24-Month
95.88"
(2,435.35mm)
85.05"
(2,160.27mm)
10.83"
(275.08mm)
109th Driest
Driest since:
1931
18th Wettest
Wettest since:
2019
Jun 1969–May 1972
36-Month
140.99"
(3,581.15mm)
127.65"
(3,242.31mm)
13.34"
(338.84mm)
112th Driest
Driest since:
1967
14th Wettest
Wettest since:
2021
Jun 1968–May 1972
48-Month
174.41"
(4,430.01mm)
170.18"
(4,322.57mm)
4.23"
(107.44mm)
75th Driest
Driest since:
1966
50th Wettest
Wettest since:
2021
Jun 1967–May 1972
60-Month
215.99"
(5,486.15mm)
212.57"
(5,399.28mm)
3.42"
(86.87mm)
64th Driest
Driest since:
1969
60th Wettest
Wettest since:
2022

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