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 1941

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1941
1-Month 		1.19"
(30.23mm)		 3.79"
(96.27mm)		 -2.60"
(-66.04mm)		 4th Driest
Driest since:
 1914
125th Wettest
Wettest since:
 1938
Aug–Sep 1941
2-Month 		4.25"
(107.95mm)		 7.69"
(195.33mm)		 -3.44"
(-87.38mm)		 10th Driest
Driest since:
 1984
119th Wettest
Wettest since:
 2011
Jul–Sep 1941
3-Month 		8.68"
(220.47mm)		 11.37"
(288.80mm)		 -2.69"
(-68.33mm)		 23rd Driest
Driest since:
 1968
106th Wettest
Wettest since:
 2021
Jun–Sep 1941
4-Month 		12.85"
(326.39mm)		 15.02"
(381.51mm)		 -2.17"
(-55.12mm)		 37th Driest
Driest since:
 1957
92nd Wettest
Wettest since:
 1938
Ties: 1978
May–Sep 1941
5-Month 		15.55"
(394.97mm)		 18.61"
(472.69mm)		 -3.06"
(-77.72mm)		 29th Driest
Driest since:
 1964
100th Wettest
Wettest since:
 1938
Apr–Sep 1941
6-Month 		16.90"
(429.26mm)		 22.51"
(571.75mm)		 -5.61"
(-142.49mm)		 9th Driest
Driest since:
 1964
120th Wettest
Wettest since:
 1938
Mar–Sep 1941
7-Month 		19.13"
(485.90mm)		 26.45"
(671.83mm)		 -7.32"
(-185.93mm)		 7th Driest
Driest since:
 1965
122nd Wettest
Wettest since:
 1938
Feb–Sep 1941
8-Month 		21.25"
(539.75mm)		 29.66"
(753.36mm)		 -8.41"
(-213.61mm)		 5th Driest
Driest to Date
 1957
124th Wettest
Wettest since:
 2008
Jan–Sep 1941
9-Month 		24.26"
(616.20mm)		 33.30"
(845.82mm)		 -9.04"
(-229.62mm)		 3rd Driest
Driest to Date
 1957
126th Wettest
Wettest since:
 2008
Dec 1940–Sep 1941
10-Month 		27.21"
(691.13mm)		 37.13"
(943.10mm)		 -9.92"
(-251.97mm)		 3rd Driest
Driest to Date
 1957
125th Wettest
Wettest since:
 2008
Nov 1940–Sep 1941
11-Month 		33.52"
(851.41mm)		 41.15"
(1,045.21mm)		 -7.63"
(-193.80mm)		 8th Driest
Driest since:
 1965
120th Wettest
Wettest since:
 2008
Oct 1940–Sep 1941
12-Month 		34.90"
(886.46mm)		 44.66"
(1,134.36mm)		 -9.76"
(-247.90mm)		 5th Driest
Driest since:
 1965
123rd Wettest
Wettest since:
 2006
Apr 1940–Sep 1941
18-Month 		57.00"
(1,447.80mm)		 67.07"
(1,703.58mm)		 -10.07"
(-255.78mm)		 9th Driest
Driest since:
 1965
119th Wettest
Wettest since:
 2006
Oct 1939–Sep 1941
24-Month 		76.69"
(1,947.93mm)		 89.25"
(2,266.95mm)		 -12.56"
(-319.02mm)		 7th Driest
Driest since:
 1966
120th Wettest
Wettest since:
 2007
Oct 1938–Sep 1941
36-Month 		115.21"
(2,926.33mm)		 133.88"
(3,400.55mm)		 -18.67"
(-474.22mm)		 5th Driest
Driest since:
 1966
121st Wettest
Wettest since:
 2008
Oct 1937–Sep 1941
48-Month 		174.50"
(4,432.30mm)		 178.50"
(4,533.90mm)		 -4.00"
(-101.60mm)		 41st Driest
Driest since:
 1966
84th Wettest
Wettest since:
 2009
Oct 1936–Sep 1941
60-Month 		222.97"
(5,663.44mm)		 223.10"
(5,666.74mm)		 -0.13"
(-3.30mm)		 50th Driest
Driest since:
 1966
74th Wettest
Wettest since:
 2010

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