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 1925

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1925
1-Month
3.46"
(87.88mm)
3.93"
(99.82mm)
-0.47"
(-11.94mm)
51st Driest
Driest since:
1964
78th Wettest
Wettest since:
1989
Apr–May 1925
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: 1932
Mar–May 1925
3-Month
8.38"
(212.85mm)
11.06"
(280.92mm)
-2.68"
(-68.07mm)
13th Driest
Driest since:
1926
116th Wettest
Wettest since:
2011
Feb–May 1925
4-Month
10.55"
(267.97mm)
13.66"
(346.96mm)
-3.11"
(-78.99mm)
9th Driest
Driest since:
1941
120th Wettest
Wettest since:
2011
Jan–May 1925
5-Month
14.00"
(355.60mm)
16.71"
(424.43mm)
-2.71"
(-68.83mm)
16th Driest
Driest since:
1941
113th Wettest
Wettest since:
2011
Ties: 1992
Dec 1924–May 1925
6-Month
16.13"
(409.70mm)
19.81"
(503.17mm)
-3.68"
(-93.47mm)
7th Driest
Driest to Date
1941
121st Wettest
Wettest since:
2011
Nov 1924–May 1925
7-Month
17.70"
(449.58mm)
23.02"
(584.71mm)
-5.32"
(-135.13mm)
4th Driest
Driest to Date
1934
124th Wettest
Wettest since:
1952
Oct 1924–May 1925
8-Month
18.02"
(457.71mm)
26.19"
(665.23mm)
-8.17"
(-207.52mm)
1st Driest
Driest to Date
1925
127th Wettest
Wettest since:
2011
Sep 1924–May 1925
9-Month
24.52"
(622.81mm)
29.75"
(755.65mm)
-5.23"
(-132.84mm)
8th Driest
Driest since:
1941
120th Wettest
Wettest since:
2019
Aug 1924–May 1925
10-Month
28.08"
(713.23mm)
33.62"
(853.95mm)
-5.54"
(-140.72mm)
6th Driest
Driest since:
1931
122nd Wettest
Wettest since:
2019
Jul 1924–May 1925
11-Month
31.53"
(800.86mm)
37.82"
(960.63mm)
-6.29"
(-159.77mm)
9th Driest
Driest since:
1931
119th Wettest
Wettest since:
2019
Jun 1924–May 1925
12-Month
36.88"
(936.75mm)
41.97"
(1,066.04mm)
-5.09"
(-129.29mm)
18th Driest
Driest since:
1931
110th Wettest
Wettest since:
2019
Dec 1923–May 1925
18-Month
61.85"
(1,570.99mm)
61.76"
(1,568.70mm)
0.09"
(2.29mm)
64th Driest
Driest since:
1931
63rd Wettest
Wettest since:
2019
Jun 1923–May 1925
24-Month
80.51"
(2,044.95mm)
83.91"
(2,131.31mm)
-3.40"
(-86.36mm)
35th Driest
Driest since:
1931
92nd Wettest
Wettest since:
2019
Jun 1922–May 1925
36-Month
116.14"
(2,949.96mm)
125.93"
(3,198.62mm)
-9.79"
(-248.66mm)
15th Driest
Driest since:
1965
111th Wettest
Wettest since:
2020
Jun 1921–May 1925
48-Month
157.57"
(4,002.28mm)
167.92"
(4,265.17mm)
-10.35"
(-262.89mm)
15th Driest
Driest since:
1966
110th Wettest
Wettest since:
2020
Jun 1920–May 1925
60-Month
200.13"
(5,083.30mm)
209.84"
(5,329.94mm)
-9.71"
(-246.64mm)
18th Driest
Driest to Date
1967
106th Wettest
Wettest since:
2022

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