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 1991

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1991
1-Month
6.79"
(172.47mm)
3.79"
(96.27mm)
3.00"
(76.20mm)
111th Driest
Driest since:
1914
18th Wettest
Wettest since:
1938
Aug–Sep 1991
2-Month
14.12"
(358.65mm)
7.69"
(195.33mm)
6.43"
(163.32mm)
125th Driest
Driest since:
1984
4th Wettest
Wettest since:
2011
Jul–Sep 1991
3-Month
16.75"
(425.45mm)
11.37"
(288.80mm)
5.38"
(136.65mm)
119th Driest
Driest since:
1968
10th Wettest
Wettest since:
2021
Jun–Sep 1991
4-Month
19.23"
(488.44mm)
15.02"
(381.51mm)
4.21"
(106.93mm)
110th Driest
Driest since:
1957
19th Wettest
Wettest since:
1938
May–Sep 1991
5-Month
23.07"
(585.98mm)
18.61"
(472.69mm)
4.46"
(113.29mm)
109th Driest
Driest since:
1964
20th Wettest
Wettest since:
1938
Apr–Sep 1991
6-Month
26.58"
(675.13mm)
22.51"
(571.75mm)
4.07"
(103.38mm)
103rd Driest
Driest since:
1964
26th Wettest
Wettest since:
1938
Mar–Sep 1991
7-Month
31.34"
(796.04mm)
26.45"
(671.83mm)
4.89"
(124.21mm)
106th Driest
Driest since:
1965
23rd Wettest
Wettest since:
1938
Feb–Sep 1991
8-Month
33.33"
(846.58mm)
29.66"
(753.36mm)
3.67"
(93.22mm)
98th Driest
Driest since:
1957
31st Wettest
Wettest since:
2008
Jan–Sep 1991
9-Month
36.40"
(924.56mm)
33.30"
(845.82mm)
3.10"
(78.74mm)
93rd Driest
Driest since:
1957
36th Wettest
Wettest since:
2008
Dec 1990–Sep 1991
10-Month
41.28"
(1,048.51mm)
37.13"
(943.10mm)
4.15"
(105.41mm)
92nd Driest
Driest since:
1957
36th Wettest
Wettest since:
2008
Nov 1990–Sep 1991
11-Month
43.86"
(1,114.04mm)
41.15"
(1,045.21mm)
2.71"
(68.83mm)
83rd Driest
Driest since:
1965
45th Wettest
Wettest since:
2008
Oct 1990–Sep 1991
12-Month
50.79"
(1,290.07mm)
44.66"
(1,134.36mm)
6.13"
(155.71mm)
104th Driest
Driest since:
1965
24th Wettest
Wettest since:
2006
Apr 1990–Sep 1991
18-Month
77.32"
(1,963.93mm)
67.07"
(1,703.58mm)
10.25"
(260.35mm)
108th Driest
Driest since:
1965
20th Wettest
Wettest since:
2006
Oct 1989–Sep 1991
24-Month
100.67"
(2,557.02mm)
89.25"
(2,266.95mm)
11.42"
(290.07mm)
106th Driest
Driest since:
1966
21st Wettest
Wettest since:
2007
Oct 1988–Sep 1991
36-Month
150.62"
(3,825.75mm)
133.88"
(3,400.55mm)
16.74"
(425.20mm)
107th Driest
Driest since:
1966
19th Wettest
Wettest since:
2008
Oct 1987–Sep 1991
48-Month
190.66"
(4,842.76mm)
178.50"
(4,533.90mm)
12.16"
(308.86mm)
86th Driest
Driest since:
1966
39th Wettest
Wettest since:
2009
Oct 1986–Sep 1991
60-Month
241.41"
(6,131.81mm)
223.10"
(5,666.74mm)
18.31"
(465.07mm)
98th Driest
Driest since:
1966
26th Wettest
Wettest since:
2010

Citing This Page