Statewide Rankings

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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 1931

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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 1931 1-Month	2.13" (54.10mm)	3.79" (96.27mm)	-1.66" (-42.17mm)	25th Driest	Driest since: 1930	1914
	2.13" (54.10mm)	3.79" (96.27mm)	-1.66" (-42.17mm)	104th Wettest	Wettest since: 1929	1938
	Ties: 1897, 1964
Aug–Sep 1931 2-Month	7.10" (180.34mm)	7.69" (195.33mm)	-0.59" (-14.99mm)	68th Driest	Driest since: 1930	1984
Aug–Sep 1931 2-Month	7.10" (180.34mm)	7.69" (195.33mm)	-0.59" (-14.99mm)	61st Wettest	Wettest since: 1928	2011
Jul–Sep 1931 3-Month	10.62" (269.75mm)	11.37" (288.80mm)	-0.75" (-19.05mm)	59th Driest	Driest since: 1930	1968
Jul–Sep 1931 3-Month	10.62" (269.75mm)	11.37" (288.80mm)	-0.75" (-19.05mm)	70th Wettest	Wettest since: 1928	2021
Jun–Sep 1931 4-Month	16.84" (427.74mm)	15.02" (381.51mm)	1.82" (46.23mm)	89th Driest	Driest since: 1930	1957
Jun–Sep 1931 4-Month	16.84" (427.74mm)	15.02" (381.51mm)	1.82" (46.23mm)	40th Wettest	Wettest since: 1928	1938
May–Sep 1931 5-Month	22.10" (561.34mm)	18.61" (472.69mm)	3.49" (88.65mm)	101st Driest	Driest since: 1930	1964
May–Sep 1931 5-Month	22.10" (561.34mm)	18.61" (472.69mm)	3.49" (88.65mm)	28th Wettest	Wettest since: 1928	1938
Apr–Sep 1931 6-Month	25.07" (636.78mm)	22.51" (571.75mm)	2.56" (65.03mm)	86th Driest	Driest since: 1930	1964
Apr–Sep 1931 6-Month	25.07" (636.78mm)	22.51" (571.75mm)	2.56" (65.03mm)	43rd Wettest	Wettest since: 1928	1938
Mar–Sep 1931 7-Month	30.02" (762.51mm)	26.45" (671.83mm)	3.57" (90.68mm)	97th Driest	Driest since: 1930	1965
Mar–Sep 1931 7-Month	30.02" (762.51mm)	26.45" (671.83mm)	3.57" (90.68mm)	32nd Wettest	Wettest since: 1928	1938
Feb–Sep 1931 8-Month	32.42" (823.47mm)	29.66" (753.36mm)	2.76" (70.11mm)	87th Driest	Driest since: 1930	1957
	32.42" (823.47mm)	29.66" (753.36mm)	2.76" (70.11mm)	42nd Wettest	Wettest since: 1928	2008
	Ties: 2001
Jan–Sep 1931 9-Month	35.65" (905.51mm)	33.30" (845.82mm)	2.35" (59.69mm)	83rd Driest	Driest since: 1930	1957
Jan–Sep 1931 9-Month	35.65" (905.51mm)	33.30" (845.82mm)	2.35" (59.69mm)	46th Wettest	Wettest since: 1928	2008
Dec 1930–Sep 1931 10-Month	37.91" (962.91mm)	37.13" (943.10mm)	0.78" (19.81mm)	68th Driest	Driest since: 1930	1957
Dec 1930–Sep 1931 10-Month	37.91" (962.91mm)	37.13" (943.10mm)	0.78" (19.81mm)	60th Wettest	Wettest since: 1928	2008
Nov 1930–Sep 1931 11-Month	41.74" (1,060.20mm)	41.15" (1,045.21mm)	0.59" (14.99mm)	65th Driest	Driest since: 1930	1965
Nov 1930–Sep 1931 11-Month	41.74" (1,060.20mm)	41.15" (1,045.21mm)	0.59" (14.99mm)	63rd Wettest	Wettest since: 1928	2008
Oct 1930–Sep 1931 12-Month	45.10" (1,145.54mm)	44.66" (1,134.36mm)	0.44" (11.18mm)	62nd Driest	Driest since: 1930	1965
	45.10" (1,145.54mm)	44.66" (1,134.36mm)	0.44" (11.18mm)	66th Wettest	Wettest since: 1928	2006
	Ties: 1999
Apr 1930–Sep 1931 18-Month	61.26" (1,556.00mm)	67.07" (1,703.58mm)	-5.81" (-147.58mm)	28th Driest	Driest since: 1930	1965
Apr 1930–Sep 1931 18-Month	61.26" (1,556.00mm)	67.07" (1,703.58mm)	-5.81" (-147.58mm)	100th Wettest	Wettest since: 1929	2006
Oct 1929–Sep 1931 24-Month	79.41" (2,017.01mm)	89.25" (2,266.95mm)	-9.84" (-249.94mm)	13th Driest	Driest since: 1930	1966
Oct 1929–Sep 1931 24-Month	79.41" (2,017.01mm)	89.25" (2,266.95mm)	-9.84" (-249.94mm)	114th Wettest	Wettest since: 1929	2007
Oct 1928–Sep 1931 36-Month	116.92" (2,969.77mm)	133.88" (3,400.55mm)	-16.96" (-430.78mm)	7th Driest	Driest since: 1911	1966
Oct 1928–Sep 1931 36-Month	116.92" (2,969.77mm)	133.88" (3,400.55mm)	-16.96" (-430.78mm)	119th Wettest	Wettest since: 1930	2008
Oct 1927–Sep 1931 48-Month	170.66" (4,334.76mm)	178.50" (4,533.90mm)	-7.84" (-199.14mm)	31st Driest	Driest since: 1930	1966
Oct 1927–Sep 1931 48-Month	170.66" (4,334.76mm)	178.50" (4,533.90mm)	-7.84" (-199.14mm)	94th Wettest	Wettest since: 1929	2009
Oct 1926–Sep 1931 60-Month	215.47" (5,472.94mm)	223.10" (5,666.74mm)	-7.63" (-193.80mm)	33rd Driest	Driest since: 1930	1966
Oct 1926–Sep 1931 60-Month	215.47" (5,472.94mm)	223.10" (5,666.74mm)	-7.63" (-193.80mm)	91st Wettest	Wettest since: 1928	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings