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 1930

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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 1930 1-Month	1.34" (34.04mm)	3.79" (96.27mm)	-2.45" (-62.23mm)	5th Driest	Driest since: 1914	1914
September 1930 1-Month	1.34" (34.04mm)	3.79" (96.27mm)	-2.45" (-62.23mm)	124th Wettest	Wettest since: 1929	1938
Aug–Sep 1930 2-Month	3.68" (93.47mm)	7.69" (195.33mm)	-4.01" (-101.86mm)	3rd Driest	Driest to Date	1984
Aug–Sep 1930 2-Month	3.68" (93.47mm)	7.69" (195.33mm)	-4.01" (-101.86mm)	126th Wettest	Wettest since: 1929	2011
Jul–Sep 1930 3-Month	7.80" (198.12mm)	11.37" (288.80mm)	-3.57" (-90.68mm)	9th Driest	Driest since: 1929	1968
Jul–Sep 1930 3-Month	7.80" (198.12mm)	11.37" (288.80mm)	-3.57" (-90.68mm)	120th Wettest	Wettest since: 1928	2021
Jun–Sep 1930 4-Month	11.11" (282.19mm)	15.02" (381.51mm)	-3.91" (-99.32mm)	17th Driest	Driest since: 1929	1957
Jun–Sep 1930 4-Month	11.11" (282.19mm)	15.02" (381.51mm)	-3.91" (-99.32mm)	112th Wettest	Wettest since: 1928	1938
May–Sep 1930 5-Month	14.45" (367.03mm)	18.61" (472.69mm)	-4.16" (-105.66mm)	18th Driest	Driest since: 1929	1964
May–Sep 1930 5-Month	14.45" (367.03mm)	18.61" (472.69mm)	-4.16" (-105.66mm)	111th Wettest	Wettest since: 1928	1938
Apr–Sep 1930 6-Month	16.16" (410.46mm)	22.51" (571.75mm)	-6.35" (-161.29mm)	6th Driest	Driest to Date	1964
Apr–Sep 1930 6-Month	16.16" (410.46mm)	22.51" (571.75mm)	-6.35" (-161.29mm)	123rd Wettest	Wettest since: 1929	1938
Mar–Sep 1930 7-Month	19.64" (498.86mm)	26.45" (671.83mm)	-6.81" (-172.97mm)	9th Driest	Driest since: 1926	1965
Mar–Sep 1930 7-Month	19.64" (498.86mm)	26.45" (671.83mm)	-6.81" (-172.97mm)	120th Wettest	Wettest since: 1929	1938
Feb–Sep 1930 8-Month	21.79" (553.47mm)	29.66" (753.36mm)	-7.87" (-199.89mm)	6th Driest	Driest to Date	1957
Feb–Sep 1930 8-Month	21.79" (553.47mm)	29.66" (753.36mm)	-7.87" (-199.89mm)	123rd Wettest	Wettest since: 1929	2008
Jan–Sep 1930 9-Month	24.43" (620.52mm)	33.30" (845.82mm)	-8.87" (-225.30mm)	4th Driest	Driest to Date	1957
Jan–Sep 1930 9-Month	24.43" (620.52mm)	33.30" (845.82mm)	-8.87" (-225.30mm)	125th Wettest	Wettest since: 1929	2008
Dec 1929–Sep 1930 10-Month	28.37" (720.60mm)	37.13" (943.10mm)	-8.76" (-222.50mm)	5th Driest	Driest to Date	1957
Dec 1929–Sep 1930 10-Month	28.37" (720.60mm)	37.13" (943.10mm)	-8.76" (-222.50mm)	123rd Wettest	Wettest since: 1929	2008
Nov 1929–Sep 1930 11-Month	31.38" (797.05mm)	41.15" (1,045.21mm)	-9.77" (-248.16mm)	3rd Driest	Driest to Date	1965
Nov 1929–Sep 1930 11-Month	31.38" (797.05mm)	41.15" (1,045.21mm)	-9.77" (-248.16mm)	125th Wettest	Wettest since: 1929	2008
Oct 1929–Sep 1930 12-Month	34.31" (871.47mm)	44.66" (1,134.36mm)	-10.35" (-262.89mm)	4th Driest	Driest to Date	1965
Oct 1929–Sep 1930 12-Month	34.31" (871.47mm)	44.66" (1,134.36mm)	-10.35" (-262.89mm)	124th Wettest	Wettest since: 1929	2006
Apr 1929–Sep 1930 18-Month	54.42" (1,382.27mm)	67.07" (1,703.58mm)	-12.65" (-321.31mm)	6th Driest	Driest since: 1911	1965
Apr 1929–Sep 1930 18-Month	54.42" (1,382.27mm)	67.07" (1,703.58mm)	-12.65" (-321.31mm)	122nd Wettest	Wettest since: 1929	2006
Oct 1928–Sep 1930 24-Month	71.82" (1,824.23mm)	89.25" (2,266.95mm)	-17.43" (-442.72mm)	3rd Driest	Driest to Date	1966
Oct 1928–Sep 1930 24-Month	71.82" (1,824.23mm)	89.25" (2,266.95mm)	-17.43" (-442.72mm)	124th Wettest	Wettest since: 1929	2007
Oct 1927–Sep 1930 36-Month	125.56" (3,189.22mm)	133.88" (3,400.55mm)	-8.32" (-211.33mm)	29th Driest	Driest since: 1927	1966
Oct 1927–Sep 1930 36-Month	125.56" (3,189.22mm)	133.88" (3,400.55mm)	-8.32" (-211.33mm)	97th Wettest	Wettest since: 1929	2008
Oct 1926–Sep 1930 48-Month	170.37" (4,327.40mm)	178.50" (4,533.90mm)	-8.13" (-206.50mm)	29th Driest	Driest since: 1927	1966
Oct 1926–Sep 1930 48-Month	170.37" (4,327.40mm)	178.50" (4,533.90mm)	-8.13" (-206.50mm)	96th Wettest	Wettest since: 1929	2009
Oct 1925–Sep 1930 60-Month	209.23" (5,314.44mm)	223.10" (5,666.74mm)	-13.87" (-352.30mm)	22nd Driest	Driest since: 1927	1966
Oct 1925–Sep 1930 60-Month	209.23" (5,314.44mm)	223.10" (5,666.74mm)	-13.87" (-352.30mm)	102nd Wettest	Wettest since: 1929	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings