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, October 2019

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 2019
1-Month
5.26"
(133.60mm)
3.11"
(78.99mm)
2.15"
(54.61mm)
114th Driest
Driest since:
1963
15th Wettest
Wettest since:
1976
Sep–Oct 2019
2-Month
5.97"
(151.64mm)
6.68"
(169.67mm)
-0.71"
(-18.03mm)
49th Driest
Driest since:
1941
80th Wettest
Wettest since:
1999
Aug–Oct 2019
3-Month
9.09"
(230.89mm)
11.06"
(280.92mm)
-1.97"
(-50.03mm)
32nd Driest
Driest since:
1930
97th Wettest
Wettest since:
2011
Jul–Oct 2019
4-Month
14.00"
(355.60mm)
15.24"
(387.10mm)
-1.24"
(-31.50mm)
48th Driest
Driest since:
1930
81st Wettest
Wettest since:
2018
Ties: 1922
Jun–Oct 2019
5-Month
18.23"
(463.04mm)
19.09"
(484.89mm)
-0.86"
(-21.85mm)
59th Driest
Driest since:
1930
70th Wettest
Wettest since:
2018
May–Oct 2019
6-Month
23.42"
(594.87mm)
22.82"
(579.63mm)
0.60"
(15.24mm)
72nd Driest
Driest since:
1930
57th Wettest
Wettest since:
2018
Apr–Oct 2019
7-Month
26.46"
(672.08mm)
26.30"
(668.02mm)
0.16"
(4.06mm)
67th Driest
Driest since:
1930
62nd Wettest
Wettest since:
2018
Mar–Oct 2019
8-Month
30.53"
(775.46mm)
30.08"
(764.03mm)
0.45"
(11.43mm)
67th Driest
Driest since:
1930
62nd Wettest
Wettest since:
2018
Ties: 2022
Feb–Oct 2019
9-Month
34.14"
(867.16mm)
32.97"
(837.44mm)
1.17"
(29.72mm)
75th Driest
Driest since:
1930
54th Wettest
Wettest since:
2018
Jan–Oct 2019
10-Month
37.40"
(949.96mm)
36.33"
(922.78mm)
1.07"
(27.18mm)
72nd Driest
Driest since:
1930
57th Wettest
Wettest since:
2018
Dec 2018–Oct 2019
11-Month
42.37"
(1,076.20mm)
39.61"
(1,006.09mm)
2.76"
(70.11mm)
85th Driest
Driest since:
1930
43rd Wettest
Wettest since:
1979
Nov 2018–Oct 2019
12-Month
49.32"
(1,252.73mm)
42.60"
(1,082.04mm)
6.72"
(170.69mm)
112th Driest
Driest since:
1930
16th Wettest
Wettest since:
2003
May 2018–Oct 2019
18-Month
88.36"
(2,244.34mm)
65.38"
(1,660.65mm)
22.98"
(583.69mm)
127th Driest
Driest since:
1930
1st Wettest
Wettest to Date
2019
Nov 2017–Oct 2019
24-Month
104.93"
(2,665.22mm)
85.12"
(2,162.05mm)
19.81"
(503.17mm)
124th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2004
Nov 2016–Oct 2019
36-Month
147.44"
(3,744.98mm)
127.68"
(3,243.07mm)
19.76"
(501.91mm)
122nd Driest
Driest since:
1931
4th Wettest
Wettest since:
2005
Nov 2015–Oct 2019
48-Month
192.08"
(4,878.83mm)
170.17"
(4,322.32mm)
21.91"
(556.51mm)
119th Driest
Driest since:
1966
6th Wettest
Wettest since:
2021
Nov 2014–Oct 2019
60-Month
238.37"
(6,054.60mm)
212.67"
(5,401.82mm)
25.70"
(652.78mm)
118th Driest
Driest since:
1966
6th Wettest
Wettest since:
1975

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