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 December 2021. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, April 1999

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
April 1999
1-Month
3.04"
(77.22mm)
3.48"
(88.39mm)
-0.44"
(-11.17mm)
53rd Driest Driest since: 1997 1985
75th Wettest Wettest since: 1998 1983
Ties: 2019
Mar–Apr 1999
2-Month
7.35"
(186.69mm)
7.26"
(184.40mm)
0.09"
(2.29mm)
76th Driest Driest since: 1995 1915
52nd Wettest Wettest since: 1998 1983
Ties: 1972
Feb–Apr 1999
3-Month
9.91"
(251.71mm)
10.15"
(257.81mm)
-0.24"
(-6.10mm)
61st Driest Driest since: 1995 2006
67th Wettest Wettest since: 1998 1983
Jan–Apr 1999
4-Month
15.31"
(388.87mm)
13.51"
(343.15mm)
1.80"
(45.72mm)
101st Driest Driest since: 1997 1985
27th Wettest Wettest since: 1998 1998
Ties: 1975
Dec 1998–Apr 1999
5-Month
17.42"
(442.47mm)
16.79"
(426.47mm)
0.63"
(16.00mm)
77th Driest Driest since: 1995 1985
50th Wettest Wettest since: 1998 1937
Nov 1998–Apr 1999
6-Month
18.46"
(468.88mm)
19.78"
(502.41mm)
-1.32"
(-33.53mm)
53rd Driest Driest since: 1995 1977
74th Wettest Wettest since: 1998 1998
Oct 1998–Apr 1999
7-Month
20.23"
(513.84mm)
22.91"
(581.91mm)
-2.68"
(-68.07mm)
33rd Driest Driest since: 1995 2002
94th Wettest Wettest since: 1998 1984
Sep 1998–Apr 1999
8-Month
22.01"
(559.05mm)
26.46"
(672.08mm)
-4.45"
(-113.03mm)
16th Driest Driest since: 1995 1931
111th Wettest Wettest since: 1998 2019
Aug 1998–Apr 1999
9-Month
24.35"
(618.49mm)
30.83"
(783.08mm)
-6.48"
(-164.59mm)
8th Driest Driest since: 1985 1931
119th Wettest Wettest since: 1998 2019
Jul 1998–Apr 1999
10-Month
26.57"
(674.88mm)
34.99"
(888.75mm)
-8.42"
(-213.87mm)
4th Driest Driest since: 1981 1931
123rd Wettest Wettest since: 1998 2019
Jun 1998–Apr 1999
11-Month
31.56"
(801.62mm)
38.83"
(986.28mm)
-7.27"
(-184.66mm)
9th Driest Driest since: 1985 1931
118th Wettest Wettest since: 1998 2019
May 1998–Apr 1999
12-Month
36.30"
(922.02mm)
42.55"
(1,080.77mm)
-6.25"
(-158.75mm)
18th Driest Driest since: 1995 1931
109th Wettest Wettest since: 1998 2019
Nov 1997–Apr 1999
18-Month
66.45"
(1,687.83mm)
62.30"
(1,582.42mm)
4.15"
(105.41mm)
93rd Driest Driest since: 1996 1931
33rd Wettest Wettest since: 1998 2004
May 1997–Apr 1999
24-Month
83.92"
(2,131.57mm)
85.06"
(2,160.52mm)
-1.14"
(-28.95mm)
50th Driest Driest since: 1996 1931
76th Wettest Wettest since: 1998 2019
May 1996–Apr 1999
36-Month
139.68"
(3,547.87mm)
127.66"
(3,242.56mm)
12.02"
(305.31mm)
108th Driest Driest since: 1997 1967
17th Wettest Wettest since: 1998 2021
May 1995–Apr 1999
48-Month
185.09"
(4,701.29mm)
170.21"
(4,323.33mm)
14.88"
(377.96mm)
107th Driest Driest since: 1998 1968
17th Wettest Wettest since: 1976 2021
May 1994–Apr 1999
60-Month
221.08"
(5,615.43mm)
212.58"
(5,399.53mm)
8.50"
(215.90mm)
86th Driest Driest since: 1996 1967
37th Wettest Wettest since: 1998 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 27, 2022 from https://www.ncdc.noaa.gov/cag/