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 2010

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
September 2010
1-Month		2.43"
(61.72mm)		3.79"
(96.27mm)		-1.36"
(-34.55mm)		38th Driest
Driest since:
1914
91st Wettest
Wettest since:
1938
Aug–Sep 2010
2-Month		6.29"
(159.77mm)		7.69"
(195.33mm)		-1.40"
(-35.56mm)		43rd Driest
Driest since:
1984
86th Wettest
Wettest since:
2011
Jul–Sep 2010
3-Month		9.24"
(234.70mm)		11.37"
(288.80mm)		-2.13"
(-54.10mm)		31st Driest
Driest since:
1968
98th Wettest
Wettest since:
2021
Jun–Sep 2010
4-Month		12.59"
(319.79mm)		15.02"
(381.51mm)		-2.43"
(-61.72mm)		33rd Driest
Driest since:
1957
96th Wettest
Wettest since:
1938
May–Sep 2010
5-Month		15.33"
(389.38mm)		18.61"
(472.69mm)		-3.28"
(-83.31mm)		24th Driest
Driest since:
1964
105th Wettest
Wettest since:
1938
Apr–Sep 2010
6-Month		16.93"
(430.02mm)		22.51"
(571.75mm)		-5.58"
(-141.73mm)		10th Driest
Driest since:
1964
119th Wettest
Wettest since:
1938
Mar–Sep 2010
7-Month		27.46"
(697.48mm)		26.45"
(671.83mm)		1.01"
(25.65mm)		71st Driest
Driest since:
1965
58th Wettest
Wettest since:
1938
Feb–Sep 2010
8-Month		31.91"
(810.51mm)		29.66"
(753.36mm)		2.25"
(57.15mm)		83rd Driest
Driest since:
1957
46th Wettest
Wettest since:
2008
Jan–Sep 2010
9-Month		35.26"
(895.60mm)		33.30"
(845.82mm)		1.96"
(49.78mm)		78th Driest
Driest since:
1957
51st Wettest
Wettest since:
2008
Dec 2009–Sep 2010
10-Month		40.13"
(1,019.30mm)		37.13"
(943.10mm)		3.00"
(76.20mm)		86th Driest
Driest since:
1957
42nd Wettest
Wettest since:
2008
Nov 2009–Sep 2010
11-Month		43.38"
(1,101.85mm)		41.15"
(1,045.21mm)		2.23"
(56.64mm)		79th Driest
Driest since:
1965
49th Wettest
Wettest since:
2008
Oct 2009–Sep 2010
12-Month		49.36"
(1,253.74mm)		44.66"
(1,134.36mm)		4.70"
(119.38mm)		89th Driest
Driest since:
1965
39th Wettest
Wettest since:
2006
Apr 2009–Sep 2010
18-Month		78.36"
(1,990.34mm)		67.07"
(1,703.58mm)		11.29"
(286.76mm)		116th Driest
Driest since:
1965
12th Wettest
Wettest since:
2006
Oct 2008–Sep 2010
24-Month		100.69"
(2,557.53mm)		89.25"
(2,266.95mm)		11.44"
(290.58mm)		107th Driest
Driest since:
1966
20th Wettest
Wettest since:
2007
Oct 2007–Sep 2010
36-Month		158.98"
(4,038.09mm)		133.88"
(3,400.55mm)		25.10"
(637.54mm)		121st Driest
Driest since:
1966
5th Wettest
Wettest since:
2008
Oct 2006–Sep 2010
48-Month		205.78"
(5,226.81mm)		178.50"
(4,533.90mm)		27.28"
(692.91mm)		117th Driest
Driest since:
1966
8th Wettest
Wettest since:
2009
Oct 2005–Sep 2010
60-Month		268.87"
(6,829.30mm)		223.10"
(5,666.74mm)		45.77"
(1,162.56mm)		123rd Driest
Driest since:
1966
1st Wettest
Wettest to Date
2010

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