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, July 1901

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1901
1-Month 		4.78"
(121.41mm)		 3.68"
(93.47mm)		 1.10"
(27.94mm)		 104th Driest
Driest since:
 1968
25th Wettest
Wettest since:
 2021
Jun–Jul 1901
2-Month 		6.40"
(162.56mm)		 7.33"
(186.18mm)		 -0.93"
(-23.62mm)		 54th Driest
Driest since:
 1949
75th Wettest
Wettest since:
 1938
May–Jul 1901
3-Month 		12.84"
(326.14mm)		 10.92"
(277.37mm)		 1.92"
(48.77mm)		 100th Driest
Driest since:
 1964
29th Wettest
Wettest since:
 2006
Apr–Jul 1901
4-Month 		20.41"
(518.41mm)		 14.83"
(376.68mm)		 5.58"
(141.73mm)		 114th Driest
Driest since:
 1965
15th Wettest
Wettest since:
 2006
Mar–Jul 1901
5-Month 		26.67"
(677.42mm)		 18.76"
(476.50mm)		 7.91"
(200.92mm)		 126th Driest
Driest since:
 1965
3rd Wettest
Wettest to Date
 1984
Feb–Jul 1901
6-Month 		27.52"
(699.01mm)		 21.97"
(558.04mm)		 5.55"
(140.97mm)		 116th Driest
Driest since:
 1965
13th Wettest
Wettest to Date
 1984
Jan–Jul 1901
7-Month 		29.43"
(747.52mm)		 25.61"
(650.49mm)		 3.82"
(97.03mm)		 103rd Driest
Driest since:
 1965
26th Wettest
Wettest since:
 1984
Ties: 1900
Dec 1900–Jul 1901
8-Month 		32.15"
(816.61mm)		 29.44"
(747.78mm)		 2.71"
(68.83mm)		 86th Driest
Driest since:
 1965
42nd Wettest
Wettest since:
 1984
Nov 1900–Jul 1901
9-Month 		37.78"
(959.61mm)		 33.46"
(849.88mm)		 4.32"
(109.73mm)		 101st Driest
Driest since:
 1965
27th Wettest
Wettest since:
 1984
Oct 1900–Jul 1901
10-Month 		41.49"
(1,053.85mm)		 36.97"
(939.04mm)		 4.52"
(114.81mm)		 97th Driest
Driest since:
 1965
31st Wettest
Wettest since:
 2006
Sep 1900–Jul 1901
11-Month 		44.80"
(1,137.92mm)		 40.76"
(1,035.30mm)		 4.04"
(102.62mm)		 91st Driest
Driest since:
 1965
37th Wettest
Wettest since:
 2006
Aug 1900–Jul 1901
12-Month 		47.73"
(1,212.34mm)		 44.65"
(1,134.11mm)		 3.08"
(78.23mm)		 80th Driest
Driest since:
 1965
48th Wettest
Wettest since:
 2006
Feb 1900–Jul 1901
18-Month 		72.82"
(1,849.63mm)		 66.58"
(1,691.13mm)		 6.24"
(158.50mm)		 92nd Driest
Driest since:
 1965
36th Wettest
Wettest since:
 1984
Aug 1899–Jul 1901
24-Month 		90.76"
(2,305.30mm)		 89.19"
(2,265.43mm)		 1.57"
(39.87mm)		 59th Driest
Driest since:
 1966
68th Wettest
Wettest since:
 2006
Aug 1898–Jul 1901
36-Month 		143.54"
(3,645.92mm)		 133.88"
(3,400.55mm)		 9.66"
(245.37mm)		 90th Driest
Driest since:
 1966
36th Wettest
Wettest since:
 2007
Aug 1897–Jul 1901
48-Month 		190.87"
(4,848.10mm)		 178.49"
(4,533.65mm)		 12.38"
(314.45mm)		 84th Driest
Driest since:
 1966
41st Wettest
Wettest since:
 2009
Aug 1896–Jul 1901
60-Month 		240.22"
(6,101.59mm)		 223.09"
(5,666.49mm)		 17.13"
(435.10mm)		 96th Driest
Driest since:
 1966
28th Wettest
Wettest to Date
 2009

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