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, December 2011

View Period (Months):
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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
December 2011
1-Month
4.45"
(113.03mm)
3.84"
(97.54mm)
0.61"
(15.49mm)
83rd Driest
Driest since:
1943
45th Wettest
Wettest since:
1973
Nov–Dec 2011
2-Month
8.21"
(208.53mm)
7.85"
(199.39mm)
0.36"
(9.14mm)
71st Driest
Driest since:
1917
57th Wettest
Wettest since:
1969
Ties: 1991
Oct–Dec 2011
3-Month
15.47"
(392.94mm)
11.35"
(288.29mm)
4.12"
(104.65mm)
112th Driest
Driest since:
1924
16th Wettest
Wettest since:
2005
Sep–Dec 2011
4-Month
22.73"
(577.34mm)
15.13"
(384.30mm)
7.60"
(193.04mm)
122nd Driest
Driest since:
1908
6th Wettest
Wettest since:
2005
Aug–Dec 2011
5-Month
32.22"
(818.39mm)
19.04"
(483.62mm)
13.18"
(334.77mm)
127th Driest
Driest since:
2001
1st Wettest
Wettest to Date
2011
Jul–Dec 2011
6-Month
34.73"
(882.14mm)
22.72"
(577.09mm)
12.01"
(305.05mm)
125th Driest
Driest since:
1965
3rd Wettest
Wettest to Date
2018
Jun–Dec 2011
7-Month
40.18"
(1,020.57mm)
26.37"
(669.80mm)
13.81"
(350.77mm)
127th Driest
Driest since:
1949
1st Wettest
Wettest to Date
2011
May–Dec 2011
8-Month
43.85"
(1,113.79mm)
29.96"
(760.98mm)
13.89"
(352.81mm)
127th Driest
Driest since:
1965
1st Wettest
Wettest to Date
2011
Apr–Dec 2011
9-Month
49.21"
(1,249.93mm)
33.86"
(860.04mm)
15.35"
(389.89mm)
127th Driest
Driest since:
1965
1st Wettest
Wettest to Date
2011
Mar–Dec 2011
10-Month
53.10"
(1,348.74mm)
37.79"
(959.87mm)
15.31"
(388.87mm)
127th Driest
Driest since:
1965
1st Wettest
Wettest to Date
2011
Feb–Dec 2011
11-Month
57.28"
(1,454.91mm)
41.01"
(1,041.65mm)
16.27"
(413.26mm)
126th Driest
Driest since:
1965
2nd Wettest
Wettest since:
1972
Jan–Dec 2011
12-Month
60.83"
(1,545.08mm)
44.65"
(1,134.11mm)
16.18"
(410.97mm)
126th Driest
Driest since:
1965
2nd Wettest
Wettest to Date
2018
Jul 2010–Dec 2011
18-Month
84.44"
(2,144.78mm)
67.35"
(1,710.69mm)
17.09"
(434.09mm)
123rd Driest
Driest since:
1965
4th Wettest
Wettest since:
2019
Jan 2010–Dec 2011
24-Month
110.46"
(2,805.68mm)
89.27"
(2,267.46mm)
21.19"
(538.22mm)
122nd Driest
Driest since:
1965
5th Wettest
Wettest since:
2019
Jan 2009–Dec 2011
36-Month
162.17"
(4,119.12mm)
133.83"
(3,399.28mm)
28.34"
(719.84mm)
125th Driest
Driest since:
1966
1st Wettest
Wettest to Date
2011
Jan 2008–Dec 2011
48-Month
221.87"
(5,635.50mm)
178.43"
(4,532.12mm)
43.44"
(1,103.38mm)
124th Driest
Driest since:
1966
1st Wettest
Wettest to Date
2011
Jan 2007–Dec 2011
60-Month
267.36"
(6,790.94mm)
223.12"
(5,667.25mm)
44.24"
(1,123.69mm)
122nd Driest
Driest since:
1966
2nd Wettest
Wettest since:
2009

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