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 2017

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 2017
1-Month
2.62"
(66.55mm)
3.84"
(97.54mm)
-1.22"
(-30.99mm)
26th Driest
Driest since:
1943
102nd Wettest
Wettest since:
1973
Nov–Dec 2017
2-Month
4.44"
(112.78mm)
7.85"
(199.39mm)
-3.41"
(-86.61mm)
9th Driest
Driest since:
1917
119th Wettest
Wettest since:
1969
Oct–Dec 2017
3-Month
11.38"
(289.05mm)
11.35"
(288.29mm)
0.03"
(0.76mm)
64th Driest
Driest since:
1924
64th Wettest
Wettest since:
2005
Sep–Dec 2017
4-Month
14.80"
(375.92mm)
15.13"
(384.30mm)
-0.33"
(-8.38mm)
53rd Driest
Driest since:
1908
75th Wettest
Wettest since:
2005
Aug–Dec 2017
5-Month
17.69"
(449.33mm)
19.04"
(483.62mm)
-1.35"
(-34.29mm)
46th Driest
Driest since:
2001
82nd Wettest
Wettest since:
2011
Jul–Dec 2017
6-Month
21.16"
(537.46mm)
22.72"
(577.09mm)
-1.56"
(-39.63mm)
45th Driest
Driest since:
1965
83rd Wettest
Wettest since:
2018
Jun–Dec 2017
7-Month
25.61"
(650.49mm)
26.37"
(669.80mm)
-0.76"
(-19.31mm)
52nd Driest
Driest since:
1949
76th Wettest
Wettest since:
2011
May–Dec 2017
8-Month
31.39"
(797.31mm)
29.96"
(760.98mm)
1.43"
(36.33mm)
78th Driest
Driest since:
1965
50th Wettest
Wettest since:
2011
Apr–Dec 2017
9-Month
36.90"
(937.26mm)
33.86"
(860.04mm)
3.04"
(77.22mm)
89th Driest
Driest since:
1965
39th Wettest
Wettest since:
2011
Mar–Dec 2017
10-Month
40.11"
(1,018.79mm)
37.79"
(959.87mm)
2.32"
(58.92mm)
78th Driest
Driest since:
1965
50th Wettest
Wettest since:
2011
Feb–Dec 2017
11-Month
42.79"
(1,086.87mm)
41.01"
(1,041.65mm)
1.78"
(45.22mm)
76th Driest
Driest since:
1965
52nd Wettest
Wettest since:
1972
Jan–Dec 2017
12-Month
46.82"
(1,189.23mm)
44.65"
(1,134.11mm)
2.17"
(55.12mm)
80th Driest
Driest since:
1965
48th Wettest
Wettest since:
2018
Jul 2016–Dec 2017
18-Month
65.75"
(1,670.05mm)
67.35"
(1,710.69mm)
-1.60"
(-40.64mm)
46th Driest
Driest since:
1965
81st Wettest
Wettest since:
2019
Jan 2016–Dec 2017
24-Month
83.65"
(2,124.71mm)
89.27"
(2,267.46mm)
-5.62"
(-142.75mm)
33rd Driest
Driest since:
1965
94th Wettest
Wettest since:
2019
Jan 2015–Dec 2017
36-Month
125.04"
(3,176.02mm)
133.83"
(3,399.28mm)
-8.79"
(-223.26mm)
26th Driest
Driest since:
1966
100th Wettest
Wettest since:
2011
Jan 2014–Dec 2017
48-Month
175.14"
(4,448.56mm)
178.43"
(4,532.12mm)
-3.29"
(-83.56mm)
43rd Driest
Driest since:
1966
82nd Wettest
Wettest since:
2011
Jan 2013–Dec 2017
60-Month
221.53"
(5,626.86mm)
223.12"
(5,667.25mm)
-1.59"
(-40.39mm)
50th Driest
Driest since:
1966
74th Wettest
Wettest since:
2009

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