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 2011

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 2011
1-Month
7.26"
(184.40mm)
3.79"
(96.27mm)
3.47"
(88.13mm)
116th Driest
Driest since:
1914
13th Wettest
Wettest since:
1938
Aug–Sep 2011
2-Month
16.75"
(425.45mm)
7.69"
(195.33mm)
9.06"
(230.12mm)
128th Driest
Driest since:
1984
1st Wettest
Wettest to Date
2011
Jul–Sep 2011
3-Month
19.26"
(489.20mm)
11.37"
(288.80mm)
7.89"
(200.40mm)
126th Driest
Driest since:
1968
3rd Wettest
Wettest since:
2021
Jun–Sep 2011
4-Month
24.71"
(627.63mm)
15.02"
(381.51mm)
9.69"
(246.12mm)
126th Driest
Driest since:
1957
3rd Wettest
Wettest since:
1938
May–Sep 2011
5-Month
28.38"
(720.85mm)
18.61"
(472.69mm)
9.77"
(248.16mm)
125th Driest
Driest since:
1964
4th Wettest
Wettest since:
1938
Apr–Sep 2011
6-Month
33.74"
(857.00mm)
22.51"
(571.75mm)
11.23"
(285.25mm)
126th Driest
Driest since:
1964
3rd Wettest
Wettest since:
1938
Mar–Sep 2011
7-Month
37.63"
(955.80mm)
26.45"
(671.83mm)
11.18"
(283.97mm)
127th Driest
Driest since:
1965
2nd Wettest
Wettest since:
1938
Feb–Sep 2011
8-Month
41.81"
(1,061.97mm)
29.66"
(753.36mm)
12.15"
(308.61mm)
127th Driest
Driest since:
1957
2nd Wettest
Wettest since:
2008
Jan–Sep 2011
9-Month
45.36"
(1,152.14mm)
33.30"
(845.82mm)
12.06"
(306.32mm)
126th Driest
Driest since:
1957
3rd Wettest
Wettest since:
2008
Dec 2010–Sep 2011
10-Month
49.42"
(1,255.27mm)
37.13"
(943.10mm)
12.29"
(312.17mm)
126th Driest
Driest since:
1957
2nd Wettest
Wettest since:
2008
Nov 2010–Sep 2011
11-Month
53.24"
(1,352.30mm)
41.15"
(1,045.21mm)
12.09"
(307.09mm)
124th Driest
Driest since:
1965
4th Wettest
Wettest since:
2008
Oct 2010–Sep 2011
12-Month
59.73"
(1,517.14mm)
44.66"
(1,134.36mm)
15.07"
(382.78mm)
126th Driest
Driest since:
1965
2nd Wettest
Wettest since:
2006
Apr 2010–Sep 2011
18-Month
76.66"
(1,947.16mm)
67.07"
(1,703.58mm)
9.59"
(243.58mm)
105th Driest
Driest since:
1965
23rd Wettest
Wettest since:
2006
Oct 2009–Sep 2011
24-Month
109.09"
(2,770.89mm)
89.25"
(2,266.95mm)
19.84"
(503.94mm)
124th Driest
Driest since:
1966
3rd Wettest
Wettest since:
2007
Oct 2008–Sep 2011
36-Month
160.42"
(4,074.67mm)
133.88"
(3,400.55mm)
26.54"
(674.12mm)
124th Driest
Driest since:
1966
2nd Wettest
Wettest since:
2008
Oct 2007–Sep 2011
48-Month
218.71"
(5,555.23mm)
178.50"
(4,533.90mm)
40.21"
(1,021.33mm)
123rd Driest
Driest since:
1966
2nd Wettest
Wettest since:
2009
Oct 2006–Sep 2011
60-Month
265.51"
(6,743.95mm)
223.10"
(5,666.74mm)
42.41"
(1,077.21mm)
122nd Driest
Driest since:
1966
2nd Wettest
Wettest since:
2010

Citing This Page