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 1933

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1933
1-Month
5.86"
(148.84mm)
3.93"
(99.82mm)
1.93"
(49.02mm)
114th Driest
Driest since:
1964
15th Wettest
Wettest since:
1989
Apr–May 1933
2-Month
10.26"
(260.60mm)
7.57"
(192.28mm)
2.69"
(68.32mm)
116th Driest
Driest since:
1926
13th Wettest
Wettest since:
2011
Mar–May 1933
3-Month
15.54"
(394.72mm)
11.06"
(280.92mm)
4.48"
(113.80mm)
126th Driest
Driest since:
1926
3rd Wettest
Wettest to Date
2011
Feb–May 1933
4-Month
17.75"
(450.85mm)
13.66"
(346.96mm)
4.09"
(103.89mm)
121st Driest
Driest since:
1941
8th Wettest
Wettest since:
2011
Ties: 1983
Jan–May 1933
5-Month
19.68"
(499.87mm)
16.71"
(424.43mm)
2.97"
(75.44mm)
111th Driest
Driest since:
1941
18th Wettest
Wettest since:
2011
Dec 1932–May 1933
6-Month
21.80"
(553.72mm)
19.81"
(503.17mm)
1.99"
(50.55mm)
95th Driest
Driest since:
1941
33rd Wettest
Wettest since:
2011
Nov 1932–May 1933
7-Month
26.47"
(672.34mm)
23.02"
(584.71mm)
3.45"
(87.63mm)
108th Driest
Driest since:
1934
20th Wettest
Wettest since:
1952
Oct 1932–May 1933
8-Month
31.92"
(810.77mm)
26.19"
(665.23mm)
5.73"
(145.54mm)
118th Driest
Driest since:
1925
10th Wettest
Wettest since:
2011
Sep 1932–May 1933
9-Month
33.46"
(849.88mm)
29.75"
(755.65mm)
3.71"
(94.23mm)
104th Driest
Driest since:
1941
24th Wettest
Wettest since:
2019
Aug 1932–May 1933
10-Month
36.09"
(916.69mm)
33.62"
(853.95mm)
2.47"
(62.74mm)
87th Driest
Driest since:
1931
41st Wettest
Wettest since:
2019
Jul 1932–May 1933
11-Month
39.57"
(1,005.08mm)
37.82"
(960.63mm)
1.75"
(44.45mm)
79th Driest
Driest since:
1931
49th Wettest
Wettest since:
2019
Jun 1932–May 1933
12-Month
42.78"
(1,086.61mm)
41.97"
(1,066.04mm)
0.81"
(20.57mm)
68th Driest
Driest since:
1931
60th Wettest
Wettest since:
2019
Dec 1931–May 1933
18-Month
62.40"
(1,584.96mm)
61.76"
(1,568.70mm)
0.64"
(16.26mm)
68th Driest
Driest since:
1931
59th Wettest
Wettest since:
2019
Jun 1931–May 1933
24-Month
81.66"
(2,074.16mm)
83.91"
(2,131.31mm)
-2.25"
(-57.15mm)
40th Driest
Driest since:
1931
87th Wettest
Wettest since:
2019
Jun 1930–May 1933
36-Month
112.12"
(2,847.85mm)
125.93"
(3,198.62mm)
-13.81"
(-350.77mm)
8th Driest
Driest since:
1965
118th Wettest
Wettest since:
2020
Jun 1929–May 1933
48-Month
150.61"
(3,825.49mm)
167.92"
(4,265.17mm)
-17.31"
(-439.68mm)
8th Driest
Driest since:
1966
117th Wettest
Wettest since:
2020
Jun 1928–May 1933
60-Month
196.65"
(4,994.91mm)
209.84"
(5,329.94mm)
-13.19"
(-335.03mm)
12th Driest
Driest since:
1967
112th Wettest
Wettest since:
2022

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