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 2021

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 2021
1-Month
3.79"
(96.27mm)
3.85"
(97.79mm)
-0.06"
(-1.52mm)
68th Driest
Driest since:
1988
61st Wettest
Wettest since:
1972
May–Jun 2021
2-Month
7.19"
(182.63mm)
7.58"
(192.53mm)
-0.39"
(-9.90mm)
50th Driest
Driest since:
1964
79th Wettest
Wettest since:
1972
Ties: 1902, 1943
Apr–Jun 2021
3-Month
9.94"
(252.48mm)
11.06"
(280.92mm)
-1.12"
(-28.44mm)
43rd Driest
Driest since:
1986
86th Wettest
Wettest since:
1972
Mar–Jun 2021
4-Month
13.36"
(339.34mm)
14.84"
(376.94mm)
-1.48"
(-37.60mm)
42nd Driest
Driest since:
1986
87th Wettest
Wettest since:
1983
Feb–Jun 2021
5-Month
17.70"
(449.58mm)
17.72"
(450.09mm)
-0.02"
(-0.51mm)
64th Driest
Driest since:
1925
65th Wettest
Wettest since:
1972
Jan–Jun 2021
6-Month
19.77"
(502.16mm)
21.08"
(535.43mm)
-1.31"
(-33.27mm)
45th Driest
Driest since:
1986
84th Wettest
Wettest since:
1972
Ties: 1964
Dec 2020–Jun 2021
7-Month
25.18"
(639.57mm)
24.36"
(618.74mm)
0.82"
(20.83mm)
75th Driest
Driest since:
1986
53rd Wettest
Wettest since:
1998
Nov 2020–Jun 2021
8-Month
29.94"
(760.48mm)
27.35"
(694.69mm)
2.59"
(65.79mm)
96th Driest
Driest since:
1977
32nd Wettest
Wettest since:
1998
Oct 2020–Jun 2021
9-Month
34.58"
(878.33mm)
30.49"
(774.45mm)
4.09"
(103.88mm)
99th Driest
Driest since:
1925
29th Wettest
Wettest since:
2003
Sep 2020–Jun 2021
10-Month
38.60"
(980.44mm)
34.04"
(864.62mm)
4.56"
(115.82mm)
100th Driest
Driest since:
2002
28th Wettest
Wettest since:
2019
Aug 2020–Jun 2021
11-Month
47.54"
(1,207.52mm)
38.41"
(975.61mm)
9.13"
(231.91mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest since:
1972
Jul 2020–Jun 2021
12-Month
51.91"
(1,318.51mm)
42.56"
(1,081.02mm)
9.35"
(237.49mm)
123rd Driest
Driest since:
1931
5th Wettest
Wettest since:
2019
Jan 2020–Jun 2021
18-Month
72.61"
(1,844.29mm)
63.61"
(1,615.69mm)
9.00"
(228.60mm)
116th Driest
Driest since:
1931
12th Wettest
Wettest since:
2019
Jul 2019–Jun 2021
24-Month
91.91"
(2,334.51mm)
85.04"
(2,160.02mm)
6.87"
(174.49mm)
97th Driest
Driest since:
1931
30th Wettest
Wettest since:
2019
Jul 2018–Jun 2021
36-Month
153.56"
(3,900.42mm)
127.68"
(3,243.07mm)
25.88"
(657.35mm)
125th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2021
Jul 2017–Jun 2021
48-Month
201.97"
(5,130.04mm)
170.20"
(4,323.08mm)
31.77"
(806.96mm)
124th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2021
Jul 2016–Jun 2021
60-Month
241.76"
(6,140.70mm)
212.61"
(5,400.29mm)
29.15"
(740.41mm)
122nd Driest
Driest since:
1967
2nd Wettest
Wettest to Date
2022

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