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, June 2017

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
June 2017
1-Month 		2.11"
(53.59mm)		 3.85"
(97.79mm)		 -1.74"
(-44.20mm)		 9th Driest
Driest since:
 1988
120th Wettest
Wettest since:
 1972
May–Jun 2017
2-Month 		7.96"
(202.18mm)		 7.58"
(192.53mm)		 0.38"
(9.65mm)		 71st Driest
Driest since:
 1964
58th Wettest
Wettest since:
 1972
Apr–Jun 2017
3-Month 		11.18"
(283.97mm)		 11.06"
(280.92mm)		 0.12"
(3.05mm)		 69th Driest
Driest since:
 1986
60th Wettest
Wettest since:
 1972
Mar–Jun 2017
4-Month 		14.91"
(378.71mm)		 14.84"
(376.94mm)		 0.07"
(1.77mm)		 61st Driest
Driest since:
 1986
68th Wettest
Wettest since:
 1983
Feb–Jun 2017
5-Month 		16.03"
(407.16mm)		 17.72"
(450.09mm)		 -1.69"
(-42.93mm)		 38th Driest
Driest since:
 1925
91st Wettest
Wettest since:
 1972
Jan–Jun 2017
6-Month 		19.17"
(486.92mm)		 21.08"
(535.43mm)		 -1.91"
(-48.51mm)		 41st Driest
Driest since:
 1986
88th Wettest
Wettest since:
 1972
Dec 2016–Jun 2017
7-Month 		22.38"
(568.45mm)		 24.36"
(618.74mm)		 -1.98"
(-50.29mm)		 44th Driest
Driest since:
 1986
84th Wettest
Wettest since:
 1998
Nov 2016–Jun 2017
8-Month 		23.38"
(593.85mm)		 27.35"
(694.69mm)		 -3.97"
(-100.84mm)		 27th Driest
Driest since:
 1977
101st Wettest
Wettest since:
 1998
Oct 2016–Jun 2017
9-Month 		25.60"
(650.24mm)		 30.49"
(774.45mm)		 -4.89"
(-124.21mm)		 17th Driest
Driest since:
 1925
111th Wettest
Wettest since:
 2003
Sep 2016–Jun 2017
10-Month 		32.19"
(817.63mm)		 34.04"
(864.62mm)		 -1.85"
(-46.99mm)		 44th Driest
Driest since:
 2002
84th Wettest
Wettest since:
 2019
Aug 2016–Jun 2017
11-Month 		34.97"
(888.24mm)		 38.41"
(975.61mm)		 -3.44"
(-87.37mm)		 35th Driest
Driest since:
 1931
93rd Wettest
Wettest since:
 1972
Jul 2016–Jun 2017
12-Month 		39.79"
(1,010.67mm)		 42.56"
(1,081.02mm)		 -2.77"
(-70.35mm)		 41st Driest
Driest since:
 1931
87th Wettest
Wettest since:
 2019
Jan 2016–Jun 2017
18-Month 		60.83"
(1,545.08mm)		 63.61"
(1,615.69mm)		 -2.78"
(-70.61mm)		 39th Driest
Driest since:
 1931
89th Wettest
Wettest since:
 2019
Jul 2015–Jun 2017
24-Month 		82.13"
(2,086.10mm)		 85.04"
(2,160.02mm)		 -2.91"
(-73.92mm)		 39th Driest
Driest since:
 1931
88th Wettest
Wettest since:
 2019
Jul 2014–Jun 2017
36-Month 		128.13"
(3,254.50mm)		 127.68"
(3,243.07mm)		 0.45"
(11.43mm)		 55th Driest
Driest since:
 1967
71st Wettest
Wettest since:
 2021
Jul 2013–Jun 2017
48-Month 		175.84"
(4,466.34mm)		 170.20"
(4,323.08mm)		 5.64"
(143.26mm)		 81st Driest
Driest since:
 1967
44th Wettest
Wettest since:
 2021
Jul 2012–Jun 2017
60-Month 		223.20"
(5,669.28mm)		 212.61"
(5,400.29mm)		 10.59"
(268.99mm)		 91st Driest
Driest since:
 1967
33rd Wettest
Wettest since:
 2022

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