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 2003

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 2003
1-Month
6.53"
(165.86mm)
3.73"
(94.74mm)
2.80"
(71.12mm)
122nd Driest
Driest since:
1964
7th Wettest
Wettest since:
2018
Apr–May 2003
2-Month
9.63"
(244.60mm)
7.21"
(183.13mm)
2.42"
(61.47mm)
111th Driest
Driest since:
1963
18th Wettest
Wettest since:
1983
Mar–May 2003
3-Month
13.71"
(348.23mm)
10.99"
(279.15mm)
2.72"
(69.08mm)
111th Driest
Driest since:
1986
18th Wettest
Wettest since:
1983
Feb–May 2003
4-Month
19.57"
(497.08mm)
13.88"
(352.55mm)
5.69"
(144.53mm)
124th Driest
Driest since:
2006
5th Wettest
Wettest since:
1983
Jan–May 2003
5-Month
21.82"
(554.23mm)
17.23"
(437.64mm)
4.59"
(116.59mm)
116th Driest
Driest since:
1969
13th Wettest
Wettest since:
1998
Dec 2002–May 2003
6-Month
26.09"
(662.69mm)
20.52"
(521.21mm)
5.57"
(141.48mm)
118th Driest
Driest since:
1986
10th Wettest
Wettest since:
1984
Nov 2002–May 2003
7-Month
30.52"
(775.21mm)
23.51"
(597.15mm)
7.01"
(178.06mm)
117th Driest
Driest since:
1977
11th Wettest
Wettest since:
1998
Oct 2002–May 2003
8-Month
36.78"
(934.21mm)
26.64"
(676.66mm)
10.14"
(257.55mm)
125th Driest
Driest since:
1925
3rd Wettest
Wettest since:
1984
Sep 2002–May 2003
9-Month
40.74"
(1,034.80mm)
30.19"
(766.83mm)
10.55"
(267.97mm)
125th Driest
Driest since:
2002
3rd Wettest
Wettest since:
2019
Aug 2002–May 2003
10-Month
43.69"
(1,109.73mm)
34.56"
(877.82mm)
9.13"
(231.91mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Jul 2002–May 2003
11-Month
46.35"
(1,177.29mm)
38.72"
(983.49mm)
7.63"
(193.80mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Jun 2002–May 2003
12-Month
49.14"
(1,248.16mm)
42.56"
(1,081.02mm)
6.58"
(167.14mm)
109th Driest
Driest since:
1931
19th Wettest
Wettest since:
2019
Dec 2001–May 2003
18-Month
65.14"
(1,654.56mm)
63.04"
(1,601.22mm)
2.10"
(53.34mm)
76th Driest
Driest since:
1931
51st Wettest
Wettest since:
2019
Jun 2001–May 2003
24-Month
82.91"
(2,105.91mm)
85.05"
(2,160.27mm)
-2.14"
(-54.36mm)
41st Driest
Driest since:
1931
86th Wettest
Wettest since:
2019
Jun 2000–May 2003
36-Month
125.28"
(3,182.11mm)
127.65"
(3,242.31mm)
-2.37"
(-60.20mm)
44th Driest
Driest since:
1967
82nd Wettest
Wettest since:
2021
Jun 1999–May 2003
48-Month
170.66"
(4,334.76mm)
170.18"
(4,322.57mm)
0.48"
(12.19mm)
55th Driest
Driest since:
1966
70th Wettest
Wettest since:
2021
Jun 1998–May 2003
60-Month
203.75"
(5,175.25mm)
212.57"
(5,399.28mm)
-8.82"
(-224.03mm)
25th Driest
Driest since:
1969
99th Wettest
Wettest since:
2022

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