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 1997

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1997
1-Month
1.75"
(44.45mm)
3.79"
(96.27mm)
-2.04"
(-51.82mm)
17th Driest
Driest since:
1914
112th Wettest
Wettest since:
1938
Aug–Sep 1997
2-Month
6.38"
(162.05mm)
7.69"
(195.33mm)
-1.31"
(-33.28mm)
45th Driest
Driest since:
1984
84th Wettest
Wettest since:
2011
Jul–Sep 1997
3-Month
9.61"
(244.09mm)
11.37"
(288.80mm)
-1.76"
(-44.71mm)
37th Driest
Driest since:
1968
92nd Wettest
Wettest since:
2021
Jun–Sep 1997
4-Month
10.96"
(278.38mm)
15.02"
(381.51mm)
-4.06"
(-103.13mm)
16th Driest
Driest since:
1957
113th Wettest
Wettest since:
1938
May–Sep 1997
5-Month
14.39"
(365.51mm)
18.61"
(472.69mm)
-4.22"
(-107.18mm)
17th Driest
Driest since:
1964
112th Wettest
Wettest since:
1938
Apr–Sep 1997
6-Month
19.54"
(496.32mm)
22.51"
(571.75mm)
-2.97"
(-75.43mm)
31st Driest
Driest since:
1964
98th Wettest
Wettest since:
1938
Mar–Sep 1997
7-Month
23.91"
(607.31mm)
26.45"
(671.83mm)
-2.54"
(-64.52mm)
33rd Driest
Driest since:
1965
96th Wettest
Wettest since:
1938
Feb–Sep 1997
8-Month
25.99"
(660.15mm)
29.66"
(753.36mm)
-3.67"
(-93.21mm)
24th Driest
Driest since:
1957
105th Wettest
Wettest since:
2008
Jan–Sep 1997
9-Month
29.40"
(746.76mm)
33.30"
(845.82mm)
-3.90"
(-99.06mm)
27th Driest
Driest since:
1957
102nd Wettest
Wettest since:
2008
Dec 1996–Sep 1997
10-Month
36.36"
(923.54mm)
37.13"
(943.10mm)
-0.77"
(-19.56mm)
52nd Driest
Driest since:
1957
76th Wettest
Wettest since:
2008
Nov 1996–Sep 1997
11-Month
39.46"
(1,002.28mm)
41.15"
(1,045.21mm)
-1.69"
(-42.93mm)
45th Driest
Driest since:
1965
83rd Wettest
Wettest since:
2008
Oct 1996–Sep 1997
12-Month
47.15"
(1,197.61mm)
44.66"
(1,134.36mm)
2.49"
(63.25mm)
77th Driest
Driest since:
1965
51st Wettest
Wettest since:
2006
Apr 1996–Sep 1997
18-Month
77.40"
(1,965.96mm)
67.07"
(1,703.58mm)
10.33"
(262.38mm)
110th Driest
Driest since:
1965
18th Wettest
Wettest since:
2006
Oct 1995–Sep 1997
24-Month
106.70"
(2,710.18mm)
89.25"
(2,266.95mm)
17.45"
(443.23mm)
118th Driest
Driest since:
1966
9th Wettest
Wettest since:
2007
Oct 1994–Sep 1997
36-Month
141.67"
(3,598.42mm)
133.88"
(3,400.55mm)
7.79"
(197.87mm)
82nd Driest
Driest since:
1966
44th Wettest
Wettest since:
2008
Oct 1993–Sep 1997
48-Month
193.01"
(4,902.45mm)
178.50"
(4,533.90mm)
14.51"
(368.55mm)
94th Driest
Driest since:
1966
31st Wettest
Wettest since:
2009
Oct 1992–Sep 1997
60-Month
237.14"
(6,023.36mm)
223.10"
(5,666.74mm)
14.04"
(356.62mm)
85th Driest
Driest since:
1966
39th Wettest
Wettest since:
2010

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