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 1979

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 1979
1-Month
3.18"
(80.77mm)
3.48"
(88.39mm)
-0.30"
(-7.62mm)
63rd Driest
Driest since:
1985
66th Wettest
Wettest since:
1983
Mar–Apr 1979
2-Month
6.18"
(156.97mm)
7.26"
(184.40mm)
-1.08"
(-27.43mm)
38th Driest
Driest since:
1915
91st Wettest
Wettest since:
1983
Ties: 1905
Feb–Apr 1979
3-Month
11.69"
(296.93mm)
10.15"
(257.81mm)
1.54"
(39.12mm)
99th Driest
Driest since:
2006
30th Wettest
Wettest since:
1983
Jan–Apr 1979
4-Month
18.99"
(482.35mm)
13.51"
(343.15mm)
5.48"
(139.20mm)
125th Driest
Driest since:
1985
4th Wettest
Wettest since:
1998
Dec 1978–Apr 1979
5-Month
23.53"
(597.66mm)
16.79"
(426.47mm)
6.74"
(171.19mm)
123rd Driest
Driest since:
1985
5th Wettest
Wettest since:
1937
Nov 1978–Apr 1979
6-Month
26.62"
(676.15mm)
19.78"
(502.41mm)
6.84"
(173.74mm)
121st Driest
Driest since:
1977
7th Wettest
Wettest since:
1998
Oct 1978–Apr 1979
7-Month
28.04"
(712.22mm)
22.91"
(581.91mm)
5.13"
(130.31mm)
110th Driest
Driest since:
2002
18th Wettest
Wettest since:
1984
Sep 1978–Apr 1979
8-Month
29.40"
(746.76mm)
26.46"
(672.08mm)
2.94"
(74.68mm)
95th Driest
Driest since:
1931
33rd Wettest
Wettest since:
2019
Aug 1978–Apr 1979
9-Month
34.54"
(877.32mm)
30.83"
(783.08mm)
3.71"
(94.24mm)
99th Driest
Driest since:
1931
29th Wettest
Wettest since:
2019
Jul 1978–Apr 1979
10-Month
39.53"
(1,004.06mm)
34.99"
(888.75mm)
4.54"
(115.31mm)
100th Driest
Driest since:
1931
28th Wettest
Wettest since:
2019
Ties: 1970
Jun 1978–Apr 1979
11-Month
42.72"
(1,085.09mm)
38.83"
(986.28mm)
3.89"
(98.81mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
May 1978–Apr 1979
12-Month
48.74"
(1,238.00mm)
42.55"
(1,080.77mm)
6.19"
(157.23mm)
107th Driest
Driest since:
1931
21st Wettest
Wettest since:
2019
Nov 1977–Apr 1979
18-Month
74.45"
(1,891.03mm)
62.30"
(1,582.42mm)
12.15"
(308.61mm)
117th Driest
Driest since:
1931
10th Wettest
Wettest since:
2004
May 1977–Apr 1979
24-Month
93.86"
(2,384.04mm)
85.06"
(2,160.52mm)
8.80"
(223.52mm)
105th Driest
Driest since:
1931
22nd Wettest
Wettest since:
2019
May 1976–Apr 1979
36-Month
133.42"
(3,388.87mm)
127.66"
(3,242.56mm)
5.76"
(146.31mm)
84th Driest
Driest since:
1967
42nd Wettest
Wettest since:
2021
May 1975–Apr 1979
48-Month
182.38"
(4,632.45mm)
170.21"
(4,323.33mm)
12.17"
(309.12mm)
99th Driest
Driest since:
1968
26th Wettest
Wettest since:
2021
May 1974–Apr 1979
60-Month
225.89"
(5,737.61mm)
212.58"
(5,399.53mm)
13.31"
(338.08mm)
96th Driest
Driest since:
1967
28th Wettest
Wettest since:
2021

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