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, April 1973

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
April 1973
1-Month
5.70"
(144.78mm)
3.48"
(88.39mm)
2.22"
(56.39mm)
121st Driest
Driest since:
1985
8th Wettest
Wettest since:
1983
Mar–Apr 1973
2-Month
8.81"
(223.77mm)
7.26"
(184.40mm)
1.55"
(39.37mm)
106th Driest
Driest since:
1915
23rd Wettest
Wettest since:
1983
Feb–Apr 1973
3-Month
12.10"
(307.34mm)
10.15"
(257.81mm)
1.95"
(49.53mm)
105th Driest
Driest since:
2006
24th Wettest
Wettest since:
1983
Jan–Apr 1973
4-Month
15.05"
(382.27mm)
13.51"
(343.15mm)
1.54"
(39.12mm)
96th Driest
Driest since:
1985
33rd Wettest
Wettest since:
1998
Dec 1972–Apr 1973
5-Month
20.57"
(522.48mm)
16.79"
(426.47mm)
3.78"
(96.01mm)
112th Driest
Driest since:
1985
16th Wettest
Wettest since:
1937
Nov 1972–Apr 1973
6-Month
27.24"
(691.90mm)
19.78"
(502.41mm)
7.46"
(189.49mm)
123rd Driest
Driest since:
1977
5th Wettest
Wettest since:
1998
Oct 1972–Apr 1973
7-Month
31.05"
(788.67mm)
22.91"
(581.91mm)
8.14"
(206.76mm)
123rd Driest
Driest since:
2002
5th Wettest
Wettest since:
1984
Sep 1972–Apr 1973
8-Month
33.52"
(851.41mm)
26.46"
(672.08mm)
7.06"
(179.33mm)
117th Driest
Driest since:
1931
11th Wettest
Wettest since:
2019
Aug 1972–Apr 1973
9-Month
36.24"
(920.50mm)
30.83"
(783.08mm)
5.41"
(137.42mm)
106th Driest
Driest since:
1931
22nd Wettest
Wettest since:
2019
Jul 1972–Apr 1973
10-Month
39.31"
(998.47mm)
34.99"
(888.75mm)
4.32"
(109.72mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
Jun 1972–Apr 1973
11-Month
50.09"
(1,272.29mm)
38.83"
(986.28mm)
11.26"
(286.01mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest to Date
2019
May 1972–Apr 1973
12-Month
55.05"
(1,398.27mm)
42.55"
(1,080.77mm)
12.50"
(317.50mm)
124th Driest
Driest since:
1931
4th Wettest
Wettest to Date
2019
Nov 1971–Apr 1973
18-Month
76.53"
(1,943.86mm)
62.30"
(1,582.42mm)
14.23"
(361.44mm)
121st Driest
Driest since:
1931
6th Wettest
Wettest since:
2004
May 1971–Apr 1973
24-Month
108.16"
(2,747.26mm)
85.06"
(2,160.52mm)
23.10"
(586.74mm)
125th Driest
Driest since:
1931
2nd Wettest
Wettest to Date
2019
May 1970–Apr 1973
36-Month
148.76"
(3,778.50mm)
127.66"
(3,242.56mm)
21.10"
(535.94mm)
119th Driest
Driest since:
1967
7th Wettest
Wettest to Date
2021
May 1969–Apr 1973
48-Month
193.25"
(4,908.55mm)
170.21"
(4,323.33mm)
23.04"
(585.22mm)
119th Driest
Driest since:
1968
6th Wettest
Wettest to Date
2021
May 1968–Apr 1973
60-Month
229.49"
(5,829.05mm)
212.58"
(5,399.53mm)
16.91"
(429.52mm)
104th Driest
Driest since:
1967
20th Wettest
Wettest since:
2021

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