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.

Massachusetts

Precipitation Rankings, September 1901

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1901
1-Month
3.38"
(85.85mm)
3.79"
(96.27mm)
-0.41"
(-10.42mm)
66th Driest
Driest since:
1914
63rd Wettest
Wettest since:
1938
Aug–Sep 1901
2-Month
8.03"
(203.96mm)
7.69"
(195.33mm)
0.34"
(8.63mm)
78th Driest
Driest since:
1984
51st Wettest
Wettest since:
2011
Jul–Sep 1901
3-Month
12.81"
(325.37mm)
11.37"
(288.80mm)
1.44"
(36.57mm)
90th Driest
Driest since:
1968
39th Wettest
Wettest since:
2021
Ties: 1922, 2012
Jun–Sep 1901
4-Month
14.43"
(366.52mm)
15.02"
(381.51mm)
-0.59"
(-14.99mm)
54th Driest
Driest since:
1957
75th Wettest
Wettest since:
1938
May–Sep 1901
5-Month
20.87"
(530.10mm)
18.61"
(472.69mm)
2.26"
(57.41mm)
85th Driest
Driest since:
1964
44th Wettest
Wettest since:
1938
Apr–Sep 1901
6-Month
28.44"
(722.38mm)
22.51"
(571.75mm)
5.93"
(150.63mm)
115th Driest
Driest since:
1964
14th Wettest
Wettest to Date
1938
Mar–Sep 1901
7-Month
34.70"
(881.38mm)
26.45"
(671.83mm)
8.25"
(209.55mm)
124th Driest
Driest since:
1965
5th Wettest
Wettest to Date
1938
Feb–Sep 1901
8-Month
35.55"
(902.97mm)
29.66"
(753.36mm)
5.89"
(149.61mm)
111th Driest
Driest since:
1957
18th Wettest
Wettest to Date
2008
Jan–Sep 1901
9-Month
37.46"
(951.48mm)
33.30"
(845.82mm)
4.16"
(105.66mm)
98th Driest
Driest since:
1957
31st Wettest
Wettest since:
2008
Dec 1900–Sep 1901
10-Month
40.18"
(1,020.57mm)
37.13"
(943.10mm)
3.05"
(77.47mm)
87th Driest
Driest since:
1957
41st Wettest
Wettest since:
2008
Nov 1900–Sep 1901
11-Month
45.81"
(1,163.57mm)
41.15"
(1,045.21mm)
4.66"
(118.36mm)
94th Driest
Driest since:
1965
34th Wettest
Wettest since:
2008
Oct 1900–Sep 1901
12-Month
49.52"
(1,257.81mm)
44.66"
(1,134.36mm)
4.86"
(123.45mm)
91st Driest
Driest since:
1965
37th Wettest
Wettest since:
2006
Apr 1900–Sep 1901
18-Month
67.94"
(1,725.68mm)
67.07"
(1,703.58mm)
0.87"
(22.10mm)
61st Driest
Driest since:
1965
67th Wettest
Wettest since:
2006
Oct 1899–Sep 1901
24-Month
91.41"
(2,321.81mm)
89.25"
(2,266.95mm)
2.16"
(54.86mm)
62nd Driest
Driest since:
1966
65th Wettest
Wettest since:
2007
Oct 1898–Sep 1901
36-Month
141.82"
(3,602.23mm)
133.88"
(3,400.55mm)
7.94"
(201.68mm)
83rd Driest
Driest since:
1966
43rd Wettest
Wettest since:
2008
Oct 1897–Sep 1901
48-Month
192.66"
(4,893.56mm)
178.50"
(4,533.90mm)
14.16"
(359.66mm)
91st Driest
Driest since:
1966
34th Wettest
Wettest since:
2009
Oct 1896–Sep 1901
60-Month
238.13"
(6,048.50mm)
223.10"
(5,666.74mm)
15.03"
(381.76mm)
91st Driest
Driest since:
1966
33rd Wettest
Wettest to Date
2010

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