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, August 2011

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 2011
1-Month 		9.49"
(241.05mm)		 3.90"
(99.06mm)		 5.59"
(141.99mm)		 127th Driest
Driest since:
 1984
2nd Wettest
Wettest since:
 1955
Jul–Aug 2011
2-Month 		12.00"
(304.80mm)		 7.58"
(192.53mm)		 4.42"
(112.27mm)		 121st Driest
Driest since:
 1968
8th Wettest
Wettest since:
 1955
Jun–Aug 2011
3-Month 		17.45"
(443.23mm)		 11.24"
(285.50mm)		 6.21"
(157.73mm)		 123rd Driest
Driest since:
 1949
6th Wettest
Wettest since:
 1938
May–Aug 2011
4-Month 		21.12"
(536.45mm)		 14.83"
(376.68mm)		 6.29"
(159.77mm)		 120th Driest
Driest since:
 1964
9th Wettest
Wettest since:
 2006
Apr–Aug 2011
5-Month 		26.48"
(672.59mm)		 18.73"
(475.74mm)		 7.75"
(196.85mm)		 124th Driest
Driest since:
 1965
5th Wettest
Wettest since:
 2006
Mar–Aug 2011
6-Month 		30.37"
(771.40mm)		 22.66"
(575.56mm)		 7.71"
(195.84mm)		 126th Driest
Driest since:
 1965
3rd Wettest
Wettest since:
 1901
Feb–Aug 2011
7-Month 		34.55"
(877.57mm)		 25.87"
(657.10mm)		 8.68"
(220.47mm)		 125th Driest
Driest since:
 1957
4th Wettest
Wettest since:
 1984
Jan–Aug 2011
8-Month 		38.10"
(967.74mm)		 29.51"
(749.55mm)		 8.59"
(218.19mm)		 124th Driest
Driest since:
 1957
5th Wettest
Wettest since:
 1979
Dec 2010–Aug 2011
9-Month 		42.16"
(1,070.86mm)		 33.34"
(846.84mm)		 8.82"
(224.02mm)		 123rd Driest
Driest since:
 1965
5th Wettest
Wettest since:
 1984
Nov 2010–Aug 2011
10-Month 		45.98"
(1,167.89mm)		 37.36"
(948.94mm)		 8.62"
(218.95mm)		 119th Driest
Driest since:
 1965
9th Wettest
Wettest since:
 1984
Oct 2010–Aug 2011
11-Month 		52.47"
(1,332.74mm)		 40.88"
(1,038.35mm)		 11.59"
(294.39mm)		 125th Driest
Driest since:
 1965
3rd Wettest
Wettest since:
 2006
Sep 2010–Aug 2011
12-Month 		54.90"
(1,394.46mm)		 44.66"
(1,134.36mm)		 10.24"
(260.10mm)		 119th Driest
Driest since:
 1965
9th Wettest
Wettest since:
 2006
Mar 2010–Aug 2011
18-Month 		79.93"
(2,030.22mm)		 67.23"
(1,707.64mm)		 12.70"
(322.58mm)		 120th Driest
Driest since:
 1966
8th Wettest
Wettest since:
 1984
Sep 2009–Aug 2011
24-Month 		103.94"
(2,640.08mm)		 89.21"
(2,265.93mm)		 14.73"
(374.15mm)		 116th Driest
Driest since:
 1966
11th Wettest
Wettest since:
 2006
Sep 2008–Aug 2011
36-Month 		161.40"
(4,099.56mm)		 133.85"
(3,399.79mm)		 27.55"
(699.77mm)		 123rd Driest
Driest since:
 1966
3rd Wettest
Wettest since:
 2008
Sep 2007–Aug 2011
48-Month 		213.99"
(5,435.35mm)		 178.47"
(4,533.14mm)		 35.52"
(902.21mm)		 123rd Driest
Driest since:
 1966
2nd Wettest
Wettest since:
 2009
Sep 2006–Aug 2011
60-Month 		261.09"
(6,631.69mm)		 223.07"
(5,665.98mm)		 38.02"
(965.71mm)		 120th Driest
Driest since:
 1966
4th Wettest
Wettest since:
 2009

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