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 1946

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 1946
1-Month
3.63"
(92.20mm)
3.84"
(97.54mm)
-0.21"
(-5.34mm)
65th Driest
Driest since:
1943
63rd Wettest
Wettest since:
1973
Ties: 2016
Nov–Dec 1946
2-Month
4.78"
(121.41mm)
7.85"
(199.39mm)
-3.07"
(-77.98mm)
14th Driest
Driest since:
1917
114th Wettest
Wettest since:
1969
Oct–Dec 1946
3-Month
6.09"
(154.69mm)
11.35"
(288.29mm)
-5.26"
(-133.60mm)
3rd Driest
Driest since:
1924
125th Wettest
Wettest since:
2005
Sep–Dec 1946
4-Month
9.87"
(250.70mm)
15.13"
(384.30mm)
-5.26"
(-133.60mm)
4th Driest
Driest since:
1908
124th Wettest
Wettest since:
2005
Aug–Dec 1946
5-Month
17.24"
(437.90mm)
19.04"
(483.62mm)
-1.80"
(-45.72mm)
42nd Driest
Driest since:
2001
86th Wettest
Wettest since:
2011
Jul–Dec 1946
6-Month
20.51"
(520.95mm)
22.72"
(577.09mm)
-2.21"
(-56.14mm)
38th Driest
Driest since:
1965
90th Wettest
Wettest since:
2018
Ties: 1918
Jun–Dec 1946
7-Month
24.27"
(616.46mm)
26.37"
(669.80mm)
-2.10"
(-53.34mm)
36th Driest
Driest since:
1949
92nd Wettest
Wettest since:
2011
May–Dec 1946
8-Month
29.96"
(760.98mm)
29.96"
(760.98mm)
0.00"
(0.00mm)
61st Driest
Driest since:
1965
67th Wettest
Wettest since:
2011
Apr–Dec 1946
9-Month
32.57"
(827.28mm)
33.86"
(860.04mm)
-1.29"
(-32.76mm)
48th Driest
Driest since:
1965
80th Wettest
Wettest since:
2011
Mar–Dec 1946
10-Month
34.20"
(868.68mm)
37.79"
(959.87mm)
-3.59"
(-91.19mm)
30th Driest
Driest since:
1965
98th Wettest
Wettest since:
2011
Feb–Dec 1946
11-Month
37.39"
(949.71mm)
41.01"
(1,041.65mm)
-3.62"
(-91.94mm)
28th Driest
Driest since:
1965
100th Wettest
Wettest since:
1972
Jan–Dec 1946
12-Month
40.65"
(1,032.51mm)
44.65"
(1,134.11mm)
-4.00"
(-101.60mm)
26th Driest
Driest since:
1965
102nd Wettest
Wettest since:
2018
Jul 1945–Dec 1946
18-Month
65.84"
(1,672.34mm)
67.35"
(1,710.69mm)
-1.51"
(-38.35mm)
48th Driest
Driest since:
1965
79th Wettest
Wettest since:
2019
Jan 1945–Dec 1946
24-Month
91.51"
(2,324.35mm)
89.27"
(2,267.46mm)
2.24"
(56.89mm)
69th Driest
Driest since:
1965
58th Wettest
Wettest since:
2019
Jan 1944–Dec 1946
36-Month
132.94"
(3,376.68mm)
133.83"
(3,399.28mm)
-0.89"
(-22.60mm)
50th Driest
Driest since:
1966
76th Wettest
Wettest since:
2011
Jan 1943–Dec 1946
48-Month
171.81"
(4,363.97mm)
178.43"
(4,532.12mm)
-6.62"
(-168.15mm)
34th Driest
Driest since:
1966
91st Wettest
Wettest since:
2011
Jan 1942–Dec 1946
60-Month
219.18"
(5,567.17mm)
223.12"
(5,667.25mm)
-3.94"
(-100.08mm)
43rd Driest
Driest since:
1966
81st Wettest
Wettest since:
2009

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