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.

Pennsylvania

Precipitation Rankings, May 1932

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
May 1932
1-Month 		3.88"
(98.55mm)		 3.93"
(99.82mm)		 -0.05"
(-1.27mm)		 66th Driest
Driest since:
 1964
63rd Wettest
Wettest since:
 1989
Ties: 2016
Apr–May 1932
2-Month 		5.74"
(145.80mm)		 7.57"
(192.28mm)		 -1.83"
(-46.48mm)		 21st Driest
Driest since:
 1926
108th Wettest
Wettest since:
 2011
Ties: 1925
Mar–May 1932
3-Month 		9.97"
(253.24mm)		 11.06"
(280.92mm)		 -1.09"
(-27.68mm)		 46th Driest
Driest since:
 1926
83rd Wettest
Wettest since:
 2011
Feb–May 1932
4-Month 		11.72"
(297.69mm)		 13.66"
(346.96mm)		 -1.94"
(-49.27mm)		 27th Driest
Driest since:
 1941
102nd Wettest
Wettest since:
 2011
Jan–May 1932
5-Month 		16.53"
(419.86mm)		 16.71"
(424.43mm)		 -0.18"
(-4.57mm)		 64th Driest
Driest since:
 1941
65th Wettest
Wettest since:
 2011
Dec 1931–May 1932
6-Month 		19.62"
(498.35mm)		 19.81"
(503.17mm)		 -0.19"
(-4.82mm)		 59th Driest
Driest since:
 1941
69th Wettest
Wettest since:
 2011
Nov 1931–May 1932
7-Month 		21.31"
(541.27mm)		 23.02"
(584.71mm)		 -1.71"
(-43.44mm)		 42nd Driest
Driest since:
 1934
86th Wettest
Wettest since:
 1952
Oct 1931–May 1932
8-Month 		23.04"
(585.22mm)		 26.19"
(665.23mm)		 -3.15"
(-80.01mm)		 24th Driest
Driest since:
 1925
104th Wettest
Wettest since:
 2011
Sep 1931–May 1932
9-Month 		26.34"
(669.04mm)		 29.75"
(755.65mm)		 -3.41"
(-86.61mm)		 24th Driest
Driest since:
 1941
104th Wettest
Wettest since:
 2019
Aug 1931–May 1932
10-Month 		29.97"
(761.24mm)		 33.62"
(853.95mm)		 -3.65"
(-92.71mm)		 22nd Driest
Driest since:
 1931
106th Wettest
Wettest since:
 2019
Jul 1931–May 1932
11-Month 		35.20"
(894.08mm)		 37.82"
(960.63mm)		 -2.62"
(-66.55mm)		 32nd Driest
Driest since:
 1931
96th Wettest
Wettest since:
 2019
Jun 1931–May 1932
12-Month 		38.88"
(987.55mm)		 41.97"
(1,066.04mm)		 -3.09"
(-78.49mm)		 30th Driest
Driest since:
 1931
98th Wettest
Wettest since:
 2019
Dec 1930–May 1932
18-Month 		56.71"
(1,440.43mm)		 61.76"
(1,568.70mm)		 -5.05"
(-128.27mm)		 18th Driest
Driest since:
 1931
109th Wettest
Wettest since:
 2019
Jun 1930–May 1932
24-Month 		69.34"
(1,761.24mm)		 83.91"
(2,131.31mm)		 -14.57"
(-370.07mm)		 3rd Driest
Driest since:
 1931
124th Wettest
Wettest since:
 2019
Jun 1929–May 1932
36-Month 		107.83"
(2,738.88mm)		 125.93"
(3,198.62mm)		 -18.10"
(-459.74mm)		 4th Driest
Driest to Date
 1965
122nd Wettest
Wettest since:
 2020
Jun 1928–May 1932
48-Month 		153.87"
(3,908.30mm)		 167.92"
(4,265.17mm)		 -14.05"
(-356.87mm)		 12th Driest
Driest since:
 1966
113th Wettest
Wettest since:
 2020
Jun 1927–May 1932
60-Month 		200.12"
(5,083.05mm)		 209.84"
(5,329.94mm)		 -9.72"
(-246.89mm)		 17th Driest
Driest since:
 1967
107th Wettest
Wettest since:
 2022

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