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 2007

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 2007
1-Month
1.37"
(34.80mm)
3.73"
(94.74mm)
-2.36"
(-59.94mm)
4th Driest
Driest since:
1964
125th Wettest
Wettest since:
2018
Apr–May 2007
2-Month
5.84"
(148.34mm)
7.21"
(183.13mm)
-1.37"
(-34.79mm)
33rd Driest
Driest since:
1963
96th Wettest
Wettest since:
1983
Mar–May 2007
3-Month
9.46"
(240.28mm)
10.99"
(279.15mm)
-1.53"
(-38.87mm)
31st Driest
Driest since:
1986
98th Wettest
Wettest since:
1983
Feb–May 2007
4-Month
11.86"
(301.24mm)
13.88"
(352.55mm)
-2.02"
(-51.31mm)
30th Driest
Driest since:
2006
99th Wettest
Wettest since:
1983
Jan–May 2007
5-Month
14.89"
(378.21mm)
17.23"
(437.64mm)
-2.34"
(-59.43mm)
28th Driest
Driest since:
1969
101st Wettest
Wettest since:
1998
Dec 2006–May 2007
6-Month
16.87"
(428.50mm)
20.52"
(521.21mm)
-3.65"
(-92.71mm)
22nd Driest
Driest since:
1986
106th Wettest
Wettest since:
1984
Nov 2006–May 2007
7-Month
22.09"
(561.09mm)
23.51"
(597.15mm)
-1.42"
(-36.06mm)
52nd Driest
Driest since:
1977
76th Wettest
Wettest since:
1998
Oct 2006–May 2007
8-Month
27.18"
(690.37mm)
26.64"
(676.66mm)
0.54"
(13.71mm)
77th Driest
Driest since:
1925
51st Wettest
Wettest since:
1984
Sep 2006–May 2007
9-Month
34.19"
(868.43mm)
30.19"
(766.83mm)
4.00"
(101.60mm)
97th Driest
Driest since:
2002
31st Wettest
Wettest since:
2019
Aug 2006–May 2007
10-Month
35.51"
(901.95mm)
34.56"
(877.82mm)
0.95"
(24.13mm)
74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Ties: 1940
Jul 2006–May 2007
11-Month
39.13"
(993.90mm)
38.72"
(983.49mm)
0.41"
(10.41mm)
65th Driest
Driest since:
1931
63rd Wettest
Wettest since:
2019
Jun 2006–May 2007
12-Month
48.45"
(1,230.63mm)
42.56"
(1,081.02mm)
5.89"
(149.61mm)
103rd Driest
Driest since:
1931
25th Wettest
Wettest since:
2019
Dec 2005–May 2007
18-Month
63.12"
(1,603.25mm)
63.04"
(1,601.22mm)
0.08"
(2.03mm)
60th Driest
Driest since:
1931
67th Wettest
Wettest since:
2019
Jun 2005–May 2007
24-Month
86.19"
(2,189.23mm)
85.05"
(2,160.27mm)
1.14"
(28.96mm)
64th Driest
Driest since:
1931
63rd Wettest
Wettest since:
2019
Jun 2004–May 2007
36-Month
134.01"
(3,403.85mm)
127.65"
(3,242.31mm)
6.36"
(161.54mm)
86th Driest
Driest since:
1967
40th Wettest
Wettest since:
2021
Jun 2003–May 2007
48-Month
189.40"
(4,810.76mm)
170.18"
(4,322.57mm)
19.22"
(488.19mm)
116th Driest
Driest since:
1966
9th Wettest
Wettest since:
2021
Jun 2002–May 2007
60-Month
238.54"
(6,058.92mm)
212.57"
(5,399.28mm)
25.97"
(659.64mm)
120th Driest
Driest since:
1969
4th Wettest
Wettest since:
2022

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