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 1959

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
April 1959
1-Month		3.70"
(93.98mm)		3.48"
(88.39mm)		0.22"
(5.59mm)		80th Driest
Driest since:
1985
50th Wettest
Wettest since:
1983
Mar–Apr 1959
2-Month		6.61"
(167.89mm)		7.26"
(184.40mm)		-0.65"
(-16.51mm)		47th Driest
Driest since:
1915
83rd Wettest
Wettest since:
1983
Feb–Apr 1959
3-Month		8.58"
(217.93mm)		10.15"
(257.81mm)		-1.57"
(-39.88mm)		34th Driest
Driest since:
2006
96th Wettest
Wettest since:
1983
Jan–Apr 1959
4-Month		10.84"
(275.34mm)		13.51"
(343.15mm)		-2.67"
(-67.81mm)		21st Driest
Driest since:
1985
109th Wettest
Wettest since:
1998
Dec 1958–Apr 1959
5-Month		12.67"
(321.82mm)		16.79"
(426.47mm)		-4.12"
(-104.65mm)		14th Driest
Driest since:
1985
115th Wettest
Wettest since:
1937
Nov 1958–Apr 1959
6-Month		15.24"
(387.10mm)		19.78"
(502.41mm)		-4.54"
(-115.31mm)		14th Driest
Driest since:
1977
115th Wettest
Wettest since:
1998
Oct 1958–Apr 1959
7-Month		17.92"
(455.17mm)		22.91"
(581.91mm)		-4.99"
(-126.74mm)		11th Driest
Driest since:
2002
118th Wettest
Wettest since:
1984
Sep 1958–Apr 1959
8-Month		20.41"
(518.41mm)		26.46"
(672.08mm)		-6.05"
(-153.67mm)		10th Driest
Driest since:
1931
119th Wettest
Wettest since:
2019
Aug 1958–Apr 1959
9-Month		26.93"
(684.02mm)		30.83"
(783.08mm)		-3.90"
(-99.06mm)		28th Driest
Driest since:
1931
101st Wettest
Wettest since:
2019
Jul 1958–Apr 1959
10-Month		33.28"
(845.31mm)		34.99"
(888.75mm)		-1.71"
(-43.44mm)		47th Driest
Driest since:
1931
82nd Wettest
Wettest since:
2019
Jun 1958–Apr 1959
11-Month		37.39"
(949.71mm)		38.83"
(986.28mm)		-1.44"
(-36.57mm)		49th Driest
Driest since:
1931
80th Wettest
Wettest since:
2019
May 1958–Apr 1959
12-Month		41.60"
(1,056.64mm)		42.55"
(1,080.77mm)		-0.95"
(-24.13mm)		51st Driest
Driest since:
1931
78th Wettest
Wettest since:
2019
Nov 1957–Apr 1959
18-Month		68.56"
(1,741.42mm)		62.30"
(1,582.42mm)		6.26"
(159.00mm)		104th Driest
Driest since:
1931
24th Wettest
Wettest since:
2004
May 1957–Apr 1959
24-Month		86.33"
(2,192.78mm)		85.06"
(2,160.52mm)		1.27"
(32.26mm)		70th Driest
Driest since:
1931
58th Wettest
Wettest since:
2019
May 1956–Apr 1959
36-Month		129.96"
(3,300.98mm)		127.66"
(3,242.56mm)		2.30"
(58.42mm)		69th Driest
Driest since:
1967
58th Wettest
Wettest since:
2021
May 1955–Apr 1959
48-Month		173.69"
(4,411.73mm)		170.21"
(4,323.33mm)		3.48"
(88.40mm)		73rd Driest
Driest since:
1968
53rd Wettest
Wettest since:
2021
May 1954–Apr 1959
60-Month		208.93"
(5,306.82mm)		212.58"
(5,399.53mm)		-3.65"
(-92.71mm)		43rd Driest
Driest since:
1967
82nd Wettest
Wettest since:
2021
Ties: 1912

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