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 August 2021. For more information, please see Climatological Rankings.


Massachusetts

Precipitation Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1999
1-Month
9.03"
(229.36mm)
3.79"
(96.27mm)
5.24"
(133.09mm)
124th Driest Driest since: 1998 1914
3rd Wettest Wettest since: 1938 1938
Aug–Sep 1999
2-Month
11.93"
(303.02mm)
7.69"
(195.33mm)
4.24"
(107.69mm)
116th Driest Driest since: 1998 1984
11th Wettest Wettest since: 1991 2011
Jul–Sep 1999
3-Month
14.85"
(377.19mm)
11.37"
(288.80mm)
3.48"
(88.39mm)
110th Driest Driest since: 1998 1968
17th Wettest Wettest since: 1996 1938
Jun–Sep 1999
4-Month
16.29"
(413.77mm)
15.02"
(381.51mm)
1.27"
(32.26mm)
80th Driest Driest since: 1997 1957
47th Wettest Wettest since: 1998 1938
Ties: 1973, 1994
May–Sep 1999
5-Month
20.20"
(513.08mm)
18.61"
(472.69mm)
1.59"
(40.39mm)
81st Driest Driest since: 1997 1964
46th Wettest Wettest since: 1998 1938
Apr–Sep 1999
6-Month
21.32"
(541.53mm)
22.51"
(571.75mm)
-1.19"
(-30.22mm)
53rd Driest Driest since: 1997 1964
74th Wettest Wettest since: 1998 1938
Mar–Sep 1999
7-Month
26.21"
(665.73mm)
26.45"
(671.83mm)
-0.24"
(-6.10mm)
57th Driest Driest since: 1997 1965
70th Wettest Wettest since: 1998 1938
Ties: 1959
Feb–Sep 1999
8-Month
29.80"
(756.92mm)
29.66"
(753.36mm)
0.14"
(3.56mm)
60th Driest Driest since: 1997 1957
67th Wettest Wettest since: 1998 2008
Jan–Sep 1999
9-Month
36.20"
(919.48mm)
33.30"
(845.82mm)
2.90"
(73.66mm)
88th Driest Driest since: 1997 1957
39th Wettest Wettest since: 1998 2008
Dec 1998–Sep 1999
10-Month
37.78"
(959.61mm)
37.13"
(943.10mm)
0.65"
(16.51mm)
65th Driest Driest since: 1997 1957
61st Wettest Wettest since: 1998 2008
Nov 1998–Sep 1999
11-Month
40.11"
(1,018.79mm)
41.15"
(1,045.21mm)
-1.04"
(-26.42mm)
53rd Driest Driest since: 1997 1965
73rd Wettest Wettest since: 1998 2008
Oct 1998–Sep 1999
12-Month
45.10"
(1,145.54mm)
44.66"
(1,134.36mm)
0.44"
(11.18mm)
61st Driest Driest since: 1995 1965
65th Wettest Wettest since: 1998 2006
Ties: 1931
Apr 1998–Sep 1999
18-Month
70.98"
(1,802.89mm)
67.07"
(1,703.58mm)
3.91"
(99.31mm)
78th Driest Driest since: 1995 1965
48th Wettest Wettest since: 1998 2006
Oct 1997–Sep 1999
24-Month
98.08"
(2,491.23mm)
89.25"
(2,266.95mm)
8.83"
(224.28mm)
95th Driest Driest since: 1996 1966
30th Wettest Wettest since: 1998 2007
Oct 1996–Sep 1999
36-Month
145.23"
(3,688.84mm)
133.88"
(3,400.55mm)
11.35"
(288.29mm)
93rd Driest Driest since: 1997 1966
31st Wettest Wettest since: 1998 2008
Oct 1995–Sep 1999
48-Month
204.78"
(5,201.41mm)
178.50"
(4,533.90mm)
26.28"
(667.51mm)
114th Driest Driest since: 1998 1966
9th Wettest Wettest since: 1975 2009
Oct 1994–Sep 1999
60-Month
239.75"
(6,089.65mm)
223.10"
(5,666.74mm)
16.65"
(422.91mm)
95th Driest Driest since: 1997 1966
27th Wettest Wettest since: 1998 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 21, 2021 from https://www.ncdc.noaa.gov/cag/