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, April 2004

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
April 2004
1-Month
5.40"
(137.16mm)
3.48"
(88.39mm)
1.92"
(48.77mm)
118th Driest
Driest since:
1985
11th Wettest
Wettest since:
1983
Mar–Apr 2004
2-Month
7.87"
(199.90mm)
7.26"
(184.40mm)
0.61"
(15.50mm)
86th Driest
Driest since:
1915
43rd Wettest
Wettest since:
1983
Feb–Apr 2004
3-Month
10.34"
(262.64mm)
10.15"
(257.81mm)
0.19"
(4.83mm)
74th Driest
Driest since:
2006
55th Wettest
Wettest since:
1983
Jan–Apr 2004
4-Month
12.59"
(319.79mm)
13.51"
(343.15mm)
-0.92"
(-23.36mm)
54th Driest
Driest since:
1985
75th Wettest
Wettest since:
1998
Dec 2003–Apr 2004
5-Month
17.49"
(444.25mm)
16.79"
(426.47mm)
0.70"
(17.78mm)
82nd Driest
Driest since:
1985
46th Wettest
Wettest since:
1937
Nov 2003–Apr 2004
6-Month
22.12"
(561.85mm)
19.78"
(502.41mm)
2.34"
(59.44mm)
97th Driest
Driest since:
1977
31st Wettest
Wettest since:
1998
Oct 2003–Apr 2004
7-Month
26.34"
(669.04mm)
22.91"
(581.91mm)
3.43"
(87.13mm)
101st Driest
Driest since:
2002
27th Wettest
Wettest since:
1984
Sep 2003–Apr 2004
8-Month
34.19"
(868.43mm)
26.46"
(672.08mm)
7.73"
(196.35mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Aug 2003–Apr 2004
9-Month
39.24"
(996.70mm)
30.83"
(783.08mm)
8.41"
(213.62mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Jul 2003–Apr 2004
10-Month
44.62"
(1,133.35mm)
34.99"
(888.75mm)
9.63"
(244.60mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest to Date
2019
Jun 2003–Apr 2004
11-Month
51.51"
(1,308.35mm)
38.83"
(986.28mm)
12.68"
(322.07mm)
126th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
May 2003–Apr 2004
12-Month
58.04"
(1,474.22mm)
42.55"
(1,080.77mm)
15.49"
(393.45mm)
126th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
Nov 2002–Apr 2004
18-Month
82.03"
(2,083.56mm)
62.30"
(1,582.42mm)
19.73"
(501.14mm)
126th Driest
Driest since:
1931
1st Wettest
Wettest to Date
2004
May 2002–Apr 2004
24-Month
103.95"
(2,640.33mm)
85.06"
(2,160.52mm)
18.89"
(479.81mm)
122nd Driest
Driest since:
1931
5th Wettest
Wettest since:
2019
May 2001–Apr 2004
36-Month
138.86"
(3,527.04mm)
127.66"
(3,242.56mm)
11.20"
(284.48mm)
106th Driest
Driest since:
1967
20th Wettest
Wettest since:
2021
May 2000–Apr 2004
48-Month
180.06"
(4,573.52mm)
170.21"
(4,323.33mm)
9.85"
(250.19mm)
93rd Driest
Driest since:
1968
32nd Wettest
Wettest since:
2021
May 1999–Apr 2004
60-Month
223.70"
(5,681.98mm)
212.58"
(5,399.53mm)
11.12"
(282.45mm)
92nd Driest
Driest since:
1967
32nd Wettest
Wettest since:
2021

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