Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2019. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 1990

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1990
1-Month
6.93"
(176.02mm)
3.73"
(94.74mm)
3.20"
(81.28mm)
122nd Driest Driest since: 1988 1964
4th Wettest Wettest since: 1989 2018
Apr–May 1990
2-Month
10.74"
(272.80mm)
7.21"
(183.13mm)
3.53"
(89.67mm)
118th Driest Driest since: 1988 1963
8th Wettest Wettest since: 1989 1983
Mar–May 1990
3-Month
13.51"
(343.15mm)
10.99"
(279.15mm)
2.52"
(64.00mm)
106th Driest Driest since: 1988 1986
20th Wettest Wettest since: 1989 1983
Feb–May 1990
4-Month
15.59"
(395.99mm)
13.88"
(352.55mm)
1.71"
(43.44mm)
95th Driest Driest since: 1988 2006
31st Wettest Wettest since: 1989 1983
Ties: 1919
Jan–May 1990
5-Month
19.57"
(497.08mm)
17.23"
(437.64mm)
2.34"
(59.44mm)
98th Driest Driest since: 1988 1969
28th Wettest Wettest since: 1989 1998
Dec 1989–May 1990
6-Month
21.14"
(536.96mm)
20.52"
(521.21mm)
0.62"
(15.75mm)
75th Driest Driest since: 1988 1986
50th Wettest Wettest since: 1989 1984
Nov 1989–May 1990
7-Month
23.84"
(605.54mm)
23.51"
(597.15mm)
0.33"
(8.39mm)
73rd Driest Driest since: 1986 1977
52nd Wettest Wettest since: 1989 1998
Oct 1989–May 1990
8-Month
28.49"
(723.65mm)
26.64"
(676.66mm)
1.85"
(46.99mm)
88th Driest Driest since: 1988 1925
37th Wettest Wettest since: 1989 1984
Sep 1989–May 1990
9-Month
32.88"
(835.15mm)
30.19"
(766.83mm)
2.69"
(68.32mm)
91st Driest Driest since: 1989 2002
34th Wettest Wettest since: 1984 2019
Aug 1989–May 1990
10-Month
35.63"
(905.00mm)
34.56"
(877.82mm)
1.07"
(27.18mm)
76th Driest Driest since: 1988 1931
49th Wettest Wettest since: 1989 2019
Jul 1989–May 1990
11-Month
42.33"
(1,075.18mm)
38.72"
(983.49mm)
3.61"
(91.69mm)
84th Driest Driest since: 1989 1931
41st Wettest Wettest since: 1984 2019
Jun 1989–May 1990
12-Month
48.87"
(1,241.30mm)
42.56"
(1,081.02mm)
6.31"
(160.28mm)
105th Driest Driest since: 1989 1931
20th Wettest Wettest since: 1984 2019
Dec 1988–May 1990
18-Month
71.79"
(1,823.47mm)
63.04"
(1,601.22mm)
8.75"
(222.25mm)
108th Driest Driest since: 1989 1931
16th Wettest Wettest since: 1984 2019
Jun 1988–May 1990
24-Month
91.19"
(2,316.23mm)
85.05"
(2,160.27mm)
6.14"
(155.96mm)
91st Driest Driest since: 1989 1931
33rd Wettest Wettest since: 1984 2019
Jun 1987–May 1990
36-Month
131.13"
(3,330.70mm)
127.65"
(3,242.31mm)
3.48"
(88.39mm)
68th Driest Driest since: 1989 1967
55th Wettest Wettest since: 1985 2005
Jun 1986–May 1990
48-Month
171.81"
(4,363.97mm)
170.18"
(4,322.57mm)
1.63"
(41.40mm)
61st Driest Driest since: 1989 1966
61st Wettest Wettest since: 1986 2019
Jun 1985–May 1990
60-Month
210.73"
(5,352.54mm)
212.57"
(5,399.28mm)
-1.84"
(-46.74mm)
46th Driest Driest since: 1989 1969
75th Wettest Wettest since: 1987 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/