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 1902

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1902
1-Month 		4.30"
(109.22mm)		 3.79"
(96.27mm)		 0.51"
(12.95mm)		 83rd Driest
Driest since:
 1914
46th Wettest
Wettest since:
 1938
Aug–Sep 1902
2-Month 		7.90"
(200.66mm)		 7.69"
(195.33mm)		 0.21"
(5.33mm)		 76th Driest
Driest since:
 1984
53rd Wettest
Wettest since:
 2011
Jul–Sep 1902
3-Month 		12.09"
(307.09mm)		 11.37"
(288.80mm)		 0.72"
(18.29mm)		 79th Driest
Driest since:
 1968
50th Wettest
Wettest since:
 2021
Jun–Sep 1902
4-Month 		15.64"
(397.26mm)		 15.02"
(381.51mm)		 0.62"
(15.75mm)		 70th Driest
Driest since:
 1957
59th Wettest
Wettest since:
 1938
Ties: 1942
May–Sep 1902
5-Month 		17.61"
(447.29mm)		 18.61"
(472.69mm)		 -1.00"
(-25.40mm)		 55th Driest
Driest since:
 1964
74th Wettest
Wettest since:
 1938
Apr–Sep 1902
6-Month 		21.53"
(546.86mm)		 22.51"
(571.75mm)		 -0.98"
(-24.89mm)		 57th Driest
Driest since:
 1964
72nd Wettest
Wettest since:
 1938
Mar–Sep 1902
7-Month 		27.34"
(694.44mm)		 26.45"
(671.83mm)		 0.89"
(22.61mm)		 70th Driest
Driest since:
 1965
59th Wettest
Wettest since:
 1938
Feb–Sep 1902
8-Month 		31.65"
(803.91mm)		 29.66"
(753.36mm)		 1.99"
(50.55mm)		 82nd Driest
Driest since:
 1957
47th Wettest
Wettest since:
 2008
Jan–Sep 1902
9-Month 		33.82"
(859.03mm)		 33.30"
(845.82mm)		 0.52"
(13.21mm)		 67th Driest
Driest since:
 1957
62nd Wettest
Wettest since:
 2008
Ties: 1915
Dec 1901–Sep 1902
10-Month 		42.39"
(1,076.71mm)		 37.13"
(943.10mm)		 5.26"
(133.61mm)		 102nd Driest
Driest since:
 1957
26th Wettest
Wettest since:
 2008
Nov 1901–Sep 1902
11-Month 		44.54"
(1,131.32mm)		 41.15"
(1,045.21mm)		 3.39"
(86.11mm)		 87th Driest
Driest since:
 1965
41st Wettest
Wettest since:
 2008
Oct 1901–Sep 1902
12-Month 		47.73"
(1,212.34mm)		 44.66"
(1,134.36mm)		 3.07"
(77.98mm)		 80th Driest
Driest since:
 1965
48th Wettest
Wettest since:
 2006
Apr 1901–Sep 1902
18-Month 		76.17"
(1,934.72mm)		 67.07"
(1,703.58mm)		 9.10"
(231.14mm)		 100th Driest
Driest since:
 1965
28th Wettest
Wettest since:
 2006
Oct 1900–Sep 1902
24-Month 		97.25"
(2,470.15mm)		 89.25"
(2,266.95mm)		 8.00"
(203.20mm)		 90th Driest
Driest since:
 1966
37th Wettest
Wettest since:
 2007
Oct 1899–Sep 1902
36-Month 		139.14"
(3,534.16mm)		 133.88"
(3,400.55mm)		 5.26"
(133.61mm)		 72nd Driest
Driest to Date
 1966
54th Wettest
Wettest since:
 2008
Oct 1898–Sep 1902
48-Month 		189.55"
(4,814.57mm)		 178.50"
(4,533.90mm)		 11.05"
(280.67mm)		 82nd Driest
Driest since:
 1966
43rd Wettest
Wettest since:
 2009
Oct 1897–Sep 1902
60-Month 		240.39"
(6,105.91mm)		 223.10"
(5,666.74mm)		 17.29"
(439.17mm)		 97th Driest
Driest since:
 1966
27th Wettest
Wettest to Date
 2010

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