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 July 2020. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, May 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1977
1-Month
2.02"
(51.31mm)
3.73"
(94.74mm)
-1.71"
(-43.43mm)
13th Driest Driest since: 1965 1964
114th Wettest Wettest since: 1976 2018
Ties: 1902
Apr–May 1977
2-Month
5.14"
(130.56mm)
7.21"
(183.13mm)
-2.07"
(-52.57mm)
21st Driest Driest since: 1969 1963
106th Wettest Wettest since: 1976 1983
Mar–May 1977
3-Month
8.65"
(219.71mm)
10.99"
(279.15mm)
-2.34"
(-59.44mm)
18th Driest Driest since: 1976 1986
109th Wettest Wettest since: 1975 1983
Feb–May 1977
4-Month
9.70"
(246.38mm)
13.88"
(352.55mm)
-4.18"
(-106.17mm)
9th Driest Driest since: 1976 2006
118th Wettest Wettest since: 1975 1983
Jan–May 1977
5-Month
11.56"
(293.62mm)
17.23"
(437.64mm)
-5.67"
(-144.02mm)
4th Driest Driest since: 1969 1969
123rd Wettest Wettest since: 1976 1998
Dec 1976–May 1977
6-Month
13.80"
(350.52mm)
20.52"
(521.21mm)
-6.72"
(-170.69mm)
3rd Driest Driest since: 1969 1986
123rd Wettest Wettest since: 1976 1984
Nov 1976–May 1977
7-Month
14.79"
(375.67mm)
23.51"
(597.15mm)
-8.72"
(-221.48mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1998
Oct 1976–May 1977
8-Month
22.86"
(580.64mm)
26.64"
(676.66mm)
-3.78"
(-96.02mm)
24th Driest Driest since: 1969 1925
102nd Wettest Wettest since: 1976 1984
Sep 1976–May 1977
9-Month
27.58"
(700.53mm)
30.19"
(766.83mm)
-2.61"
(-66.30mm)
44th Driest Driest since: 1969 2002
82nd Wettest Wettest since: 1976 2019
Aug 1976–May 1977
10-Month
31.05"
(788.67mm)
34.56"
(877.82mm)
-3.51"
(-89.15mm)
35th Driest Driest since: 1969 1931
91st Wettest Wettest since: 1976 2019
Jul 1976–May 1977
11-Month
35.00"
(889.00mm)
38.72"
(983.49mm)
-3.72"
(-94.49mm)
32nd Driest Driest since: 1969 1931
94th Wettest Wettest since: 1976 2019
Jun 1976–May 1977
12-Month
37.60"
(955.04mm)
42.56"
(1,081.02mm)
-4.96"
(-125.98mm)
26th Driest Driest since: 1969 1931
100th Wettest Wettest since: 1976 2019
Dec 1975–May 1977
18-Month
55.13"
(1,400.30mm)
63.04"
(1,601.22mm)
-7.91"
(-200.92mm)
17th Driest Driest since: 1969 1931
108th Wettest Wettest since: 1976 2019
Jun 1975–May 1977
24-Month
86.12"
(2,187.45mm)
85.05"
(2,160.27mm)
1.07"
(27.18mm)
63rd Driest Driest since: 1975 1931
62nd Wettest Wettest since: 1976 2019
Jun 1974–May 1977
36-Month
129.76"
(3,295.90mm)
127.65"
(3,242.31mm)
2.11"
(53.59mm)
64th Driest Driest since: 1971 1967
60th Wettest Wettest since: 1976 2005
Jun 1973–May 1977
48-Month
171.22"
(4,348.99mm)
170.18"
(4,322.57mm)
1.04"
(26.42mm)
59th Driest Driest since: 1971 1966
64th Wettest Wettest since: 1976 2019
Jun 1972–May 1977
60-Month
225.23"
(5,720.84mm)
212.57"
(5,399.28mm)
12.66"
(321.56mm)
95th Driest Driest since: 1972 1969
27th Wettest Wettest since: 1976 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 9, 2020 from https://www.ncdc.noaa.gov/cag/