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 1973

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 1973
1-Month
3.92"
(99.57mm)
3.73"
(94.74mm)
0.19"
(4.83mm)
71st Driest
Driest since:
1964
58th Wettest
Wettest since:
2018
Apr–May 1973
2-Month
9.62"
(244.35mm)
7.21"
(183.13mm)
2.41"
(61.22mm)
110th Driest
Driest since:
1963
19th Wettest
Wettest since:
1983
Mar–May 1973
3-Month
12.73"
(323.34mm)
10.99"
(279.15mm)
1.74"
(44.19mm)
96th Driest
Driest since:
1986
33rd Wettest
Wettest since:
1983
Feb–May 1973
4-Month
16.02"
(406.91mm)
13.88"
(352.55mm)
2.14"
(54.36mm)
104th Driest
Driest since:
2006
25th Wettest
Wettest since:
1983
Ties: 1897
Jan–May 1973
5-Month
18.97"
(481.84mm)
17.23"
(437.64mm)
1.74"
(44.20mm)
93rd Driest
Driest since:
1969
36th Wettest
Wettest since:
1998
Dec 1972–May 1973
6-Month
24.49"
(622.05mm)
20.52"
(521.21mm)
3.97"
(100.84mm)
111th Driest
Driest since:
1986
17th Wettest
Wettest since:
1984
Nov 1972–May 1973
7-Month
31.16"
(791.46mm)
23.51"
(597.15mm)
7.65"
(194.31mm)
120th Driest
Driest since:
1977
8th Wettest
Wettest since:
1998
Oct 1972–May 1973
8-Month
34.97"
(888.24mm)
26.64"
(676.66mm)
8.33"
(211.58mm)
120th Driest
Driest since:
1925
8th Wettest
Wettest since:
1984
Sep 1972–May 1973
9-Month
37.44"
(950.98mm)
30.19"
(766.83mm)
7.25"
(184.15mm)
114th Driest
Driest since:
2002
14th Wettest
Wettest since:
2019
Aug 1972–May 1973
10-Month
40.16"
(1,020.06mm)
34.56"
(877.82mm)
5.60"
(142.24mm)
105th Driest
Driest since:
1931
23rd Wettest
Wettest since:
2019
Jul 1972–May 1973
11-Month
43.23"
(1,098.04mm)
38.72"
(983.49mm)
4.51"
(114.55mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
Jun 1972–May 1973
12-Month
54.01"
(1,371.85mm)
42.56"
(1,081.02mm)
11.45"
(290.83mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest to Date
2019
Dec 1971–May 1973
18-Month
76.51"
(1,943.35mm)
63.04"
(1,601.22mm)
13.47"
(342.13mm)
121st Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Jun 1971–May 1973
24-Month
105.44"
(2,678.18mm)
85.05"
(2,160.27mm)
20.39"
(517.91mm)
125th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
Jun 1970–May 1973
36-Month
149.89"
(3,807.21mm)
127.65"
(3,242.31mm)
22.24"
(564.90mm)
123rd Driest
Driest since:
1967
3rd Wettest
Wettest to Date
2021
Jun 1969–May 1973
48-Month
195.00"
(4,953.00mm)
170.18"
(4,322.57mm)
24.82"
(630.43mm)
121st Driest
Driest since:
1966
4th Wettest
Wettest to Date
2021
Jun 1968–May 1973
60-Month
228.42"
(5,801.87mm)
212.57"
(5,399.28mm)
15.85"
(402.59mm)
103rd Driest
Driest since:
1969
21st Wettest
Wettest since:
2022

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