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 1998

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 1998
1-Month
3.91"
(99.31mm)
3.48"
(88.39mm)
0.43"
(10.92mm)
90th Driest
Driest since:
1985
39th Wettest
Wettest since:
1983
Mar–Apr 1998
2-Month
9.49"
(241.05mm)
7.26"
(184.40mm)
2.23"
(56.65mm)
114th Driest
Driest since:
1915
15th Wettest
Wettest since:
1983
Feb–Apr 1998
3-Month
15.31"
(388.87mm)
10.15"
(257.81mm)
5.16"
(131.06mm)
126th Driest
Driest since:
2006
3rd Wettest
Wettest since:
1983
Jan–Apr 1998
4-Month
21.47"
(545.34mm)
13.51"
(343.15mm)
7.96"
(202.19mm)
128th Driest
Driest since:
1985
1st Wettest
Wettest to Date
1998
Dec 1997–Apr 1998
5-Month
23.95"
(608.33mm)
16.79"
(426.47mm)
7.16"
(181.86mm)
125th Driest
Driest since:
1985
3rd Wettest
Wettest since:
1937
Nov 1997–Apr 1998
6-Month
30.15"
(765.81mm)
19.78"
(502.41mm)
10.37"
(263.40mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1998
Oct 1997–Apr 1998
7-Month
32.87"
(834.90mm)
22.91"
(581.91mm)
9.96"
(252.99mm)
126th Driest
Driest since:
2002
2nd Wettest
Wettest since:
1984
Sep 1997–Apr 1998
8-Month
35.44"
(900.18mm)
26.46"
(672.08mm)
8.98"
(228.10mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Aug 1997–Apr 1998
9-Month
39.33"
(998.98mm)
30.83"
(783.08mm)
8.50"
(215.90mm)
120th Driest
Driest since:
1931
8th Wettest
Wettest since:
2019
Jul 1997–Apr 1998
10-Month
42.17"
(1,071.12mm)
34.99"
(888.75mm)
7.18"
(182.37mm)
117th Driest
Driest since:
1931
11th Wettest
Wettest since:
2019
Jun 1997–Apr 1998
11-Month
45.19"
(1,147.83mm)
38.83"
(986.28mm)
6.36"
(161.55mm)
111th Driest
Driest since:
1931
17th Wettest
Wettest since:
2019
May 1997–Apr 1998
12-Month
47.62"
(1,209.55mm)
42.55"
(1,080.77mm)
5.07"
(128.78mm)
100th Driest
Driest since:
1931
28th Wettest
Wettest since:
2019
Nov 1996–Apr 1998
18-Month
69.70"
(1,770.38mm)
62.30"
(1,582.42mm)
7.40"
(187.96mm)
106th Driest
Driest since:
1931
21st Wettest
Wettest since:
2004
May 1996–Apr 1998
24-Month
103.38"
(2,625.85mm)
85.06"
(2,160.52mm)
18.32"
(465.33mm)
121st Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
May 1995–Apr 1998
36-Month
148.79"
(3,779.27mm)
127.66"
(3,242.56mm)
21.13"
(536.71mm)
120th Driest
Driest since:
1967
6th Wettest
Wettest since:
2021
May 1994–Apr 1998
48-Month
184.78"
(4,693.41mm)
170.21"
(4,323.33mm)
14.57"
(370.08mm)
104th Driest
Driest since:
1968
21st Wettest
Wettest since:
2021
May 1993–Apr 1998
60-Month
232.31"
(5,900.67mm)
212.58"
(5,399.53mm)
19.73"
(501.14mm)
107th Driest
Driest since:
1967
17th Wettest
Wettest since:
2021

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