Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2021. For more information, please see Climatological Rankings.


Massachusetts

Precipitation Rankings, September 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2021
1-Month
7.50"
(190.50mm)
3.79"
(96.27mm)
3.71"
(94.23mm)
120th Driest Driest since: 2020 1914
8th Wettest Wettest since: 2018 1938
Ties: 1996
Aug–Sep 2021
2-Month
12.68"
(322.07mm)
7.69"
(195.33mm)
4.99"
(126.74mm)
118th Driest Driest since: 2020 1984
10th Wettest Wettest since: 2018 2011
Jul–Sep 2021
3-Month
23.07"
(585.98mm)
11.37"
(288.80mm)
11.70"
(297.18mm)
127th Driest Driest since: 2020 1968
1st Wettest Wettest to Date 2021
Jun–Sep 2021
4-Month
25.57"
(649.48mm)
15.02"
(381.51mm)
10.55"
(267.97mm)
126th Driest Driest since: 2020 1957
2nd Wettest Wettest since: 1938 1938
May–Sep 2021
5-Month
30.71"
(780.03mm)
18.61"
(472.69mm)
12.10"
(307.34mm)
126th Driest Driest since: 2020 1964
2nd Wettest Wettest since: 1938 1938
Apr–Sep 2021
6-Month
35.05"
(890.27mm)
22.51"
(571.75mm)
12.54"
(318.52mm)
126th Driest Driest since: 2020 1964
2nd Wettest Wettest since: 1938 1938
Mar–Sep 2021
7-Month
37.24"
(945.90mm)
26.45"
(671.83mm)
10.79"
(274.07mm)
125th Driest Driest since: 2020 1965
3rd Wettest Wettest since: 2011 1938
Feb–Sep 2021
8-Month
40.45"
(1,027.43mm)
29.66"
(753.36mm)
10.79"
(274.07mm)
124th Driest Driest since: 2020 1957
4th Wettest Wettest since: 2011 2008
Jan–Sep 2021
9-Month
42.72"
(1,085.09mm)
33.30"
(845.82mm)
9.42"
(239.27mm)
121st Driest Driest since: 2020 1957
7th Wettest Wettest since: 2018 2008
Dec 2020–Sep 2021
10-Month
49.09"
(1,246.89mm)
37.13"
(943.10mm)
11.96"
(303.79mm)
124th Driest Driest since: 2020 1957
3rd Wettest Wettest since: 2011 2008
Nov 2020–Sep 2021
11-Month
52.89"
(1,343.41mm)
41.15"
(1,045.21mm)
11.74"
(298.20mm)
122nd Driest Driest since: 2020 1965
5th Wettest Wettest since: 2011 2008
Oct 2020–Sep 2021
12-Month
58.05"
(1,474.47mm)
44.66"
(1,134.36mm)
13.39"
(340.11mm)
120th Driest Driest since: 2020 1965
7th Wettest Wettest since: 2011 2006
Apr 2020–Sep 2021
18-Month
76.25"
(1,936.75mm)
67.07"
(1,703.58mm)
9.18"
(233.17mm)
101st Driest Driest since: 2020 1965
26th Wettest Wettest since: 2019 2006
Oct 2019–Sep 2021
24-Month
101.74"
(2,584.20mm)
89.25"
(2,266.95mm)
12.49"
(317.25mm)
110th Driest Driest since: 2020 1966
16th Wettest Wettest since: 2019 2007
Oct 2018–Sep 2021
36-Month
155.47"
(3,948.94mm)
133.88"
(3,400.55mm)
21.59"
(548.39mm)
116th Driest Driest since: 2020 1966
9th Wettest Wettest since: 2011 2008
Oct 2017–Sep 2021
48-Month
210.26"
(5,340.60mm)
178.50"
(4,533.90mm)
31.76"
(806.70mm)
119th Driest Driest since: 2020 1966
5th Wettest Wettest since: 2011 2009
Oct 2016–Sep 2021
60-Month
256.82"
(6,523.23mm)
223.10"
(5,666.74mm)
33.72"
(856.49mm)
116th Driest Driest since: 2020 1966
7th Wettest Wettest since: 2012 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 5, 2021 from https://www.ncdc.noaa.gov/cag/