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, March 1939

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  • Record Driest
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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
March 1939
1-Month		3.71"
(94.23mm)		3.49"
(88.65mm)		0.22"
(5.58mm)		76th Driest
Driest since:
1910
54th Wettest
Wettest since:
1936
Feb–Mar 1939
2-Month		8.11"
(205.99mm)		6.09"
(154.69mm)		2.02"
(51.30mm)		116th Driest
Driest since:
1969
14th Wettest
Wettest since:
2008
Jan–Mar 1939
3-Month		11.28"
(286.51mm)		9.14"
(232.16mm)		2.14"
(54.35mm)		113th Driest
Driest since:
1969
17th Wettest
Wettest since:
1936
Dec 1938–Mar 1939
4-Month		13.86"
(352.04mm)		12.24"
(310.90mm)		1.62"
(41.14mm)		95th Driest
Driest since:
1969
34th Wettest
Wettest since:
1903
Nov 1938–Mar 1939
5-Month		17.04"
(432.82mm)		15.45"
(392.43mm)		1.59"
(40.39mm)		94th Driest
Driest since:
1931
35th Wettest
Wettest since:
1951
Oct 1938–Mar 1939
6-Month		18.78"
(477.01mm)		18.62"
(472.95mm)		0.16"
(4.06mm)		61st Driest
Driest since:
1931
68th Wettest
Wettest since:
2008
Sep 1938–Mar 1939
7-Month		23.64"
(600.46mm)		22.18"
(563.37mm)		1.46"
(37.09mm)		84th Driest
Driest since:
1931
45th Wettest
Wettest since:
2019
Aug 1938–Mar 1939
8-Month		26.44"
(671.58mm)		26.05"
(661.67mm)		0.39"
(9.91mm)		67th Driest
Driest since:
1931
62nd Wettest
Wettest since:
2019
Jul 1938–Mar 1939
9-Month		31.08"
(789.43mm)		30.25"
(768.35mm)		0.83"
(21.08mm)		72nd Driest
Driest since:
1931
57th Wettest
Wettest since:
2019
Jun 1938–Mar 1939
10-Month		36.04"
(915.42mm)		34.40"
(873.76mm)		1.64"
(41.66mm)		80th Driest
Driest since:
1931
49th Wettest
Wettest since:
2019
May 1938–Mar 1939
11-Month		39.87"
(1,012.70mm)		38.31"
(973.07mm)		1.56"
(39.63mm)		76th Driest
Driest since:
1931
53rd Wettest
Wettest since:
2019
Ties: 2014
Apr 1938–Mar 1939
12-Month		42.81"
(1,087.37mm)		41.93"
(1,065.02mm)		0.88"
(22.35mm)		71st Driest
Driest since:
1931
58th Wettest
Wettest since:
2019
Oct 1937–Mar 1939
18-Month		62.49"
(1,587.25mm)		60.56"
(1,538.22mm)		1.93"
(49.03mm)		74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Apr 1937–Mar 1939
24-Month		88.18"
(2,239.77mm)		83.86"
(2,130.04mm)		4.32"
(109.73mm)		87th Driest
Driest since:
1967
41st Wettest
Wettest since:
2020
Apr 1936–Mar 1939
36-Month		128.81"
(3,271.77mm)		125.85"
(3,196.59mm)		2.96"
(75.18mm)		73rd Driest
Driest since:
1966
54th Wettest
Wettest since:
2020
Apr 1935–Mar 1939
48-Month		174.27"
(4,426.46mm)		167.87"
(4,263.90mm)		6.40"
(162.56mm)		84th Driest
Driest since:
1967
42nd Wettest
Wettest since:
2020
Apr 1934–Mar 1939
60-Month		214.54"
(5,449.32mm)		209.74"
(5,327.40mm)		4.80"
(121.92mm)		73rd Driest
Driest since:
1967
52nd Wettest
Wettest since:
2022

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