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 1966

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 1966
1-Month
3.98"
(101.09mm)
3.48"
(88.39mm)
0.50"
(12.70mm)
92nd Driest
Driest since:
1985
37th Wettest
Wettest since:
1983
Mar–Apr 1966
2-Month
5.50"
(139.70mm)
7.26"
(184.40mm)
-1.76"
(-44.70mm)
25th Driest
Driest since:
1915
104th Wettest
Wettest since:
1983
Feb–Apr 1966
3-Month
9.12"
(231.65mm)
10.15"
(257.81mm)
-1.03"
(-26.16mm)
45th Driest
Driest since:
2006
84th Wettest
Wettest since:
1983
Jan–Apr 1966
4-Month
12.94"
(328.68mm)
13.51"
(343.15mm)
-0.57"
(-14.47mm)
66th Driest
Driest since:
1985
63rd Wettest
Wettest since:
1998
Dec 1965–Apr 1966
5-Month
13.70"
(347.98mm)
16.79"
(426.47mm)
-3.09"
(-78.49mm)
23rd Driest
Driest since:
1985
105th Wettest
Wettest since:
1937
Nov 1965–Apr 1966
6-Month
14.52"
(368.81mm)
19.78"
(502.41mm)
-5.26"
(-133.60mm)
9th Driest
Driest since:
1977
119th Wettest
Wettest since:
1998
Oct 1965–Apr 1966
7-Month
16.79"
(426.47mm)
22.91"
(581.91mm)
-6.12"
(-155.44mm)
5th Driest
Driest since:
2002
123rd Wettest
Wettest since:
1984
Sep 1965–Apr 1966
8-Month
19.44"
(493.78mm)
26.46"
(672.08mm)
-7.02"
(-178.30mm)
5th Driest
Driest since:
1931
123rd Wettest
Wettest since:
2019
Aug 1965–Apr 1966
9-Month
24.22"
(615.19mm)
30.83"
(783.08mm)
-6.61"
(-167.89mm)
7th Driest
Driest since:
1931
121st Wettest
Wettest since:
2019
Jul 1965–Apr 1966
10-Month
27.70"
(703.58mm)
34.99"
(888.75mm)
-7.29"
(-185.17mm)
8th Driest
Driest since:
1931
120th Wettest
Wettest since:
2019
Jun 1965–Apr 1966
11-Month
30.14"
(765.56mm)
38.83"
(986.28mm)
-8.69"
(-220.72mm)
3rd Driest
Driest since:
1931
125th Wettest
Wettest since:
2019
May 1965–Apr 1966
12-Month
31.77"
(806.96mm)
42.55"
(1,080.77mm)
-10.78"
(-273.81mm)
2nd Driest
Driest since:
1931
126th Wettest
Wettest since:
2019
Nov 1964–Apr 1966
18-Month
50.08"
(1,272.03mm)
62.30"
(1,582.42mm)
-12.22"
(-310.39mm)
4th Driest
Driest since:
1931
123rd Wettest
Wettest since:
2004
May 1964–Apr 1966
24-Month
64.63"
(1,641.60mm)
85.06"
(2,160.52mm)
-20.43"
(-518.92mm)
2nd Driest
Driest since:
1931
125th Wettest
Wettest since:
2019
May 1963–Apr 1966
36-Month
106.52"
(2,705.61mm)
127.66"
(3,242.56mm)
-21.14"
(-536.95mm)
4th Driest
Driest since:
1967
122nd Wettest
Wettest since:
2021
May 1962–Apr 1966
48-Month
141.57"
(3,595.88mm)
170.21"
(4,323.33mm)
-28.64"
(-727.45mm)
3rd Driest
Driest since:
1968
122nd Wettest
Wettest since:
2021
May 1961–Apr 1966
60-Month
183.20"
(4,653.28mm)
212.58"
(5,399.53mm)
-29.38"
(-746.25mm)
4th Driest
Driest since:
1967
120th Wettest
Wettest since:
2021

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