Statewide Rankings

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Month:

State:

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 2011

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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 2011 1-Month	7.26" (184.40mm)	3.79" (96.27mm)	3.47" (88.13mm)	116th Driest	Driest since: 2010	1914
September 2011 1-Month	7.26" (184.40mm)	3.79" (96.27mm)	3.47" (88.13mm)	13th Wettest	Wettest since: 2008	1938
Aug–Sep 2011 2-Month	16.75" (425.45mm)	7.69" (195.33mm)	9.06" (230.12mm)	128th Driest	Driest since: 2010	1984
Aug–Sep 2011 2-Month	16.75" (425.45mm)	7.69" (195.33mm)	9.06" (230.12mm)	1st Wettest	Wettest to Date	2011
Jul–Sep 2011 3-Month	19.26" (489.20mm)	11.37" (288.80mm)	7.89" (200.40mm)	126th Driest	Driest since: 2010	1968
Jul–Sep 2011 3-Month	19.26" (489.20mm)	11.37" (288.80mm)	7.89" (200.40mm)	3rd Wettest	Wettest since: 1938	2021
Jun–Sep 2011 4-Month	24.71" (627.63mm)	15.02" (381.51mm)	9.69" (246.12mm)	126th Driest	Driest since: 2010	1957
Jun–Sep 2011 4-Month	24.71" (627.63mm)	15.02" (381.51mm)	9.69" (246.12mm)	3rd Wettest	Wettest since: 1938	1938
May–Sep 2011 5-Month	28.38" (720.85mm)	18.61" (472.69mm)	9.77" (248.16mm)	125th Driest	Driest since: 2010	1964
May–Sep 2011 5-Month	28.38" (720.85mm)	18.61" (472.69mm)	9.77" (248.16mm)	4th Wettest	Wettest since: 2006	1938
Apr–Sep 2011 6-Month	33.74" (857.00mm)	22.51" (571.75mm)	11.23" (285.25mm)	126th Driest	Driest since: 2010	1964
Apr–Sep 2011 6-Month	33.74" (857.00mm)	22.51" (571.75mm)	11.23" (285.25mm)	3rd Wettest	Wettest since: 1938	1938
Mar–Sep 2011 7-Month	37.63" (955.80mm)	26.45" (671.83mm)	11.18" (283.97mm)	127th Driest	Driest since: 2010	1965
Mar–Sep 2011 7-Month	37.63" (955.80mm)	26.45" (671.83mm)	11.18" (283.97mm)	2nd Wettest	Wettest since: 1938	1938
Feb–Sep 2011 8-Month	41.81" (1,061.97mm)	29.66" (753.36mm)	12.15" (308.61mm)	127th Driest	Driest since: 2010	1957
Feb–Sep 2011 8-Month	41.81" (1,061.97mm)	29.66" (753.36mm)	12.15" (308.61mm)	2nd Wettest	Wettest since: 2008	2008
Jan–Sep 2011 9-Month	45.36" (1,152.14mm)	33.30" (845.82mm)	12.06" (306.32mm)	126th Driest	Driest since: 2010	1957
Jan–Sep 2011 9-Month	45.36" (1,152.14mm)	33.30" (845.82mm)	12.06" (306.32mm)	3rd Wettest	Wettest since: 2008	2008
Dec 2010–Sep 2011 10-Month	49.42" (1,255.27mm)	37.13" (943.10mm)	12.29" (312.17mm)	126th Driest	Driest since: 2010	1957
Dec 2010–Sep 2011 10-Month	49.42" (1,255.27mm)	37.13" (943.10mm)	12.29" (312.17mm)	2nd Wettest	Wettest since: 2008	2008
Nov 2010–Sep 2011 11-Month	53.24" (1,352.30mm)	41.15" (1,045.21mm)	12.09" (307.09mm)	124th Driest	Driest since: 2010	1965
Nov 2010–Sep 2011 11-Month	53.24" (1,352.30mm)	41.15" (1,045.21mm)	12.09" (307.09mm)	4th Wettest	Wettest since: 2008	2008
Oct 2010–Sep 2011 12-Month	59.73" (1,517.14mm)	44.66" (1,134.36mm)	15.07" (382.78mm)	126th Driest	Driest since: 2010	1965
Oct 2010–Sep 2011 12-Month	59.73" (1,517.14mm)	44.66" (1,134.36mm)	15.07" (382.78mm)	2nd Wettest	Wettest since: 2006	2006
Apr 2010–Sep 2011 18-Month	76.66" (1,947.16mm)	67.07" (1,703.58mm)	9.59" (243.58mm)	105th Driest	Driest since: 2005	1965
Apr 2010–Sep 2011 18-Month	76.66" (1,947.16mm)	67.07" (1,703.58mm)	9.59" (243.58mm)	23rd Wettest	Wettest since: 2010	2006
Oct 2009–Sep 2011 24-Month	109.09" (2,770.89mm)	89.25" (2,266.95mm)	19.84" (503.94mm)	124th Driest	Driest since: 2010	1966
Oct 2009–Sep 2011 24-Month	109.09" (2,770.89mm)	89.25" (2,266.95mm)	19.84" (503.94mm)	3rd Wettest	Wettest since: 2009	2007
Oct 2008–Sep 2011 36-Month	160.42" (4,074.67mm)	133.88" (3,400.55mm)	26.54" (674.12mm)	124th Driest	Driest since: 2010	1966
Oct 2008–Sep 2011 36-Month	160.42" (4,074.67mm)	133.88" (3,400.55mm)	26.54" (674.12mm)	2nd Wettest	Wettest since: 2008	2008
Oct 2007–Sep 2011 48-Month	218.71" (5,555.23mm)	178.50" (4,533.90mm)	40.21" (1,021.33mm)	123rd Driest	Driest since: 2010	1966
Oct 2007–Sep 2011 48-Month	218.71" (5,555.23mm)	178.50" (4,533.90mm)	40.21" (1,021.33mm)	2nd Wettest	Wettest since: 2009	2009
Oct 2006–Sep 2011 60-Month	265.51" (6,743.95mm)	223.10" (5,666.74mm)	42.41" (1,077.21mm)	122nd Driest	Driest since: 2009	1966
Oct 2006–Sep 2011 60-Month	265.51" (6,743.95mm)	223.10" (5,666.74mm)	42.41" (1,077.21mm)	2nd Wettest	Wettest since: 2010	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings