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.

Maine

Precipitation Rankings, May 1899

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
May 1899
1-Month 		2.54"
(64.52mm)		 3.39"
(86.11mm)		 -0.85"
(-21.59mm)		 39th Driest
Driest since:
 1911
90th Wettest
Wettest since:
 1984
Apr–May 1899
2-Month 		3.50"
(88.90mm)		 6.74"
(171.20mm)		 -3.24"
(-82.30mm)		 7th Driest
Driest to Date
 1911
122nd Wettest
Wettest since:
 2005
Mar–May 1899
3-Month 		8.67"
(220.22mm)		 10.06"
(255.52mm)		 -1.39"
(-35.30mm)		 35th Driest
Driest since:
 1965
94th Wettest
Wettest since:
 1983
Feb–May 1899
4-Month 		11.15"
(283.21mm)		 12.84"
(326.14mm)		 -1.69"
(-42.93mm)		 38th Driest
Driest since:
 1905
91st Wettest
Wettest since:
 1983
Jan–May 1899
5-Month 		13.98"
(355.09mm)		 16.14"
(409.96mm)		 -2.16"
(-54.87mm)		 34th Driest
Driest since:
 1965
95th Wettest
Wettest since:
 1900
Dec 1898–May 1899
6-Month 		16.07"
(408.18mm)		 19.64"
(498.86mm)		 -3.57"
(-90.68mm)		 20th Driest
Driest to Date
 1944
108th Wettest
Wettest since:
 1900
Nov 1898–May 1899
7-Month 		21.42"
(544.07mm)		 23.56"
(598.42mm)		 -2.14"
(-54.35mm)		 36th Driest
Driest to Date
 1905
92nd Wettest
Wettest since:
 1984
Ties: 1927, 1939
Oct 1898–May 1899
8-Month 		27.32"
(693.93mm)		 27.27"
(692.66mm)		 0.05"
(1.27mm)		 66th Driest
Driest since:
 1911
62nd Wettest
Wettest since:
 1984
Sep 1898–May 1899
9-Month 		30.30"
(769.62mm)		 30.97"
(786.64mm)		 -0.67"
(-17.02mm)		 55th Driest
Driest since:
 1911
73rd Wettest
Wettest since:
 2006
Aug 1898–May 1899
10-Month 		33.90"
(861.06mm)		 34.48"
(875.79mm)		 -0.58"
(-14.73mm)		 54th Driest
Driest since:
 1985
74th Wettest
Wettest since:
 2006
Jul 1898–May 1899
11-Month 		36.56"
(928.62mm)		 38.26"
(971.80mm)		 -1.70"
(-43.18mm)		 44th Driest
Driest since:
 1911
84th Wettest
Wettest since:
 2006
Jun 1898–May 1899
12-Month 		41.10"
(1,043.94mm)		 42.00"
(1,066.80mm)		 -0.90"
(-22.86mm)		 52nd Driest
Driest since:
 1911
76th Wettest
Wettest since:
 1955
Dec 1897–May 1899
18-Month 		63.71"
(1,618.23mm)		 61.69"
(1,566.93mm)		 2.02"
(51.30mm)		 68th Driest
Driest since:
 1965
59th Wettest
Wettest since:
 2006
Jun 1897–May 1899
24-Month 		86.72"
(2,202.69mm)		 83.97"
(2,132.84mm)		 2.75"
(69.85mm)		 70th Driest
Driest since:
 1966
57th Wettest
Wettest since:
 2007
Jun 1896–May 1899
36-Month 		129.97"
(3,301.24mm)		 125.92"
(3,198.37mm)		 4.05"
(102.87mm)		 68th Driest
Driest since:
 1967
58th Wettest
Wettest to Date
 2007
Jun 1895–May 1899
48-Month 		168.83"
(4,288.28mm)		 167.92"
(4,265.17mm)		 0.91"
(23.11mm)		 57th Driest
Driest to Date
 1967
68th Wettest
Wettest to Date
 2009

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