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, September 1948

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1948
1-Month
1.01"
(25.65mm)
3.79"
(96.27mm)
-2.78"
(-70.62mm)
2nd Driest
Driest since:
1914
127th Wettest
Wettest since:
1938
Aug–Sep 1948
2-Month
3.15"
(80.01mm)
7.69"
(195.33mm)
-4.54"
(-115.32mm)
2nd Driest
Driest since:
1984
127th Wettest
Wettest since:
2011
Jul–Sep 1948
3-Month
7.31"
(185.67mm)
11.37"
(288.80mm)
-4.06"
(-103.13mm)
5th Driest
Driest since:
1968
124th Wettest
Wettest since:
2021
Jun–Sep 1948
4-Month
12.45"
(316.23mm)
15.02"
(381.51mm)
-2.57"
(-65.28mm)
31st Driest
Driest since:
1957
98th Wettest
Wettest since:
1938
May–Sep 1948
5-Month
19.35"
(491.49mm)
18.61"
(472.69mm)
0.74"
(18.80mm)
72nd Driest
Driest since:
1964
57th Wettest
Wettest since:
1938
Apr–Sep 1948
6-Month
22.74"
(577.60mm)
22.51"
(571.75mm)
0.23"
(5.85mm)
70th Driest
Driest since:
1964
59th Wettest
Wettest since:
1938
Mar–Sep 1948
7-Month
26.27"
(667.26mm)
26.45"
(671.83mm)
-0.18"
(-4.57mm)
63rd Driest
Driest since:
1965
66th Wettest
Wettest since:
1938
Feb–Sep 1948
8-Month
28.68"
(728.47mm)
29.66"
(753.36mm)
-0.98"
(-24.89mm)
51st Driest
Driest since:
1957
78th Wettest
Wettest since:
2008
Ties: 1992
Jan–Sep 1948
9-Month
32.92"
(836.17mm)
33.30"
(845.82mm)
-0.38"
(-9.65mm)
55th Driest
Driest since:
1957
74th Wettest
Wettest since:
2008
Dec 1947–Sep 1948
10-Month
36.11"
(917.19mm)
37.13"
(943.10mm)
-1.02"
(-25.91mm)
51st Driest
Driest since:
1957
77th Wettest
Wettest since:
2008
Nov 1947–Sep 1948
11-Month
41.37"
(1,050.80mm)
41.15"
(1,045.21mm)
0.22"
(5.59mm)
62nd Driest
Driest since:
1965
66th Wettest
Wettest since:
2008
Oct 1947–Sep 1948
12-Month
43.28"
(1,099.31mm)
44.66"
(1,134.36mm)
-1.38"
(-35.05mm)
49th Driest
Driest since:
1965
79th Wettest
Wettest since:
2006
Apr 1947–Sep 1948
18-Month
65.90"
(1,673.86mm)
67.07"
(1,703.58mm)
-1.17"
(-29.72mm)
49th Driest
Driest since:
1965
79th Wettest
Wettest since:
2006
Oct 1946–Sep 1948
24-Month
80.43"
(2,042.92mm)
89.25"
(2,266.95mm)
-8.82"
(-224.03mm)
19th Driest
Driest since:
1966
108th Wettest
Wettest since:
2007
Oct 1945–Sep 1948
36-Month
129.63"
(3,292.60mm)
133.88"
(3,400.55mm)
-4.25"
(-107.95mm)
38th Driest
Driest since:
1966
88th Wettest
Wettest since:
2008
Oct 1944–Sep 1948
48-Month
177.17"
(4,500.12mm)
178.50"
(4,533.90mm)
-1.33"
(-33.78mm)
51st Driest
Driest since:
1966
74th Wettest
Wettest since:
2009
Oct 1943–Sep 1948
60-Month
217.64"
(5,528.06mm)
223.10"
(5,666.74mm)
-5.46"
(-138.68mm)
38th Driest
Driest since:
1966
86th Wettest
Wettest since:
2010

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