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 2018

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
June 2018
1-Month
5.10"
(129.54mm)
3.85"
(97.79mm)
1.25"
(31.75mm)
105th Driest
Driest since:
1988
24th Wettest
Wettest since:
1972
May–Jun 2018
2-Month
12.71"
(322.83mm)
7.58"
(192.53mm)
5.13"
(130.30mm)
125th Driest
Driest since:
1964
4th Wettest
Wettest since:
1972
Apr–Jun 2018
3-Month
16.46"
(418.08mm)
11.06"
(280.92mm)
5.40"
(137.16mm)
124th Driest
Driest since:
1986
5th Wettest
Wettest since:
1972
Mar–Jun 2018
4-Month
19.24"
(488.70mm)
14.84"
(376.94mm)
4.40"
(111.76mm)
120th Driest
Driest since:
1986
9th Wettest
Wettest since:
1983
Feb–Jun 2018
5-Month
23.97"
(608.84mm)
17.72"
(450.09mm)
6.25"
(158.75mm)
122nd Driest
Driest since:
1925
7th Wettest
Wettest since:
1972
Jan–Jun 2018
6-Month
26.37"
(669.80mm)
21.08"
(535.43mm)
5.29"
(134.37mm)
117th Driest
Driest since:
1986
12th Wettest
Wettest since:
1972
Dec 2017–Jun 2018
7-Month
27.32"
(693.93mm)
24.36"
(618.74mm)
2.96"
(75.19mm)
102nd Driest
Driest since:
1986
26th Wettest
Wettest since:
1998
Nov 2017–Jun 2018
8-Month
29.28"
(743.71mm)
27.35"
(694.69mm)
1.93"
(49.02mm)
89th Driest
Driest since:
1977
39th Wettest
Wettest since:
1998
Oct 2017–Jun 2018
9-Month
33.07"
(839.98mm)
30.49"
(774.45mm)
2.58"
(65.53mm)
93rd Driest
Driest since:
1925
35th Wettest
Wettest since:
2003
Sep 2017–Jun 2018
10-Month
35.08"
(891.03mm)
34.04"
(864.62mm)
1.04"
(26.41mm)
75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
2019
Aug 2017–Jun 2018
11-Month
40.65"
(1,032.51mm)
38.41"
(975.61mm)
2.24"
(56.90mm)
82nd Driest
Driest since:
1931
46th Wettest
Wettest since:
1972
Jul 2017–Jun 2018
12-Month
48.41"
(1,229.61mm)
42.56"
(1,081.02mm)
5.85"
(148.59mm)
108th Driest
Driest since:
1931
20th Wettest
Wettest since:
2019
Ties: 1996
Jan 2017–Jun 2018
18-Month
67.58"
(1,716.53mm)
63.61"
(1,615.69mm)
3.97"
(100.84mm)
91st Driest
Driest since:
1931
37th Wettest
Wettest since:
2019
Jul 2016–Jun 2018
24-Month
88.20"
(2,240.28mm)
85.04"
(2,160.02mm)
3.16"
(80.26mm)
76th Driest
Driest since:
1931
51st Wettest
Wettest since:
2019
Jul 2015–Jun 2018
36-Month
130.54"
(3,315.72mm)
127.68"
(3,243.07mm)
2.86"
(72.65mm)
69th Driest
Driest since:
1967
57th Wettest
Wettest since:
2021
Jul 2014–Jun 2018
48-Month
176.54"
(4,484.12mm)
170.20"
(4,323.08mm)
6.34"
(161.04mm)
84th Driest
Driest since:
1967
41st Wettest
Wettest since:
2021
Jul 2013–Jun 2018
60-Month
224.25"
(5,695.95mm)
212.61"
(5,400.29mm)
11.64"
(295.66mm)
93rd Driest
Driest since:
1967
31st Wettest
Wettest since:
2022

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