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, September 1925

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
September 1925
1-Month
3.06"
(77.72mm)
3.59"
(91.19mm)
-0.53"
(-13.47mm)
49th Driest
Driest since:
1943
80th Wettest
Wettest since:
2011
Aug–Sep 1925
2-Month
5.43"
(137.92mm)
7.45"
(189.23mm)
-2.02"
(-51.31mm)
20th Driest
Driest since:
1943
109th Wettest
Wettest since:
2011
Jul–Sep 1925
3-Month
10.79"
(274.07mm)
11.64"
(295.66mm)
-0.85"
(-21.59mm)
46th Driest
Driest since:
1930
83rd Wettest
Wettest since:
2018
Jun–Sep 1925
4-Month
14.07"
(357.38mm)
15.81"
(401.57mm)
-1.74"
(-44.19mm)
35th Driest
Driest since:
1930
94th Wettest
Wettest since:
2018
May–Sep 1925
5-Month
17.53"
(445.26mm)
19.74"
(501.40mm)
-2.21"
(-56.14mm)
30th Driest
Driest since:
1930
99th Wettest
Wettest since:
2018
Apr–Sep 1925
6-Month
19.81"
(503.17mm)
23.38"
(593.85mm)
-3.57"
(-90.68mm)
16th Driest
Driest since:
1930
113th Wettest
Wettest since:
2018
Mar–Sep 1925
7-Month
22.45"
(570.23mm)
26.87"
(682.50mm)
-4.42"
(-112.27mm)
14th Driest
Driest since:
1930
115th Wettest
Wettest since:
2011
Feb–Sep 1925
8-Month
24.62"
(625.35mm)
29.47"
(748.54mm)
-4.85"
(-123.19mm)
13th Driest
Driest since:
1995
116th Wettest
Wettest since:
2011
Jan–Sep 1925
9-Month
28.07"
(712.98mm)
32.52"
(826.01mm)
-4.45"
(-113.03mm)
15th Driest
Driest since:
1930
114th Wettest
Wettest since:
2018
Ties: 1900
Dec 1924–Sep 1925
10-Month
30.20"
(767.08mm)
35.62"
(904.75mm)
-5.42"
(-137.67mm)
7th Driest
Driest since:
1963
121st Wettest
Wettest since:
2011
Nov 1924–Sep 1925
11-Month
31.77"
(806.96mm)
38.83"
(986.28mm)
-7.06"
(-179.32mm)
5th Driest
Driest since:
1963
123rd Wettest
Wettest since:
2011
Oct 1924–Sep 1925
12-Month
32.09"
(815.09mm)
42.00"
(1,066.80mm)
-9.91"
(-251.71mm)
1st Driest
Driest since:
1925
127th Wettest
Wettest since:
2011
Apr 1924–Sep 1925
18-Month
61.05"
(1,550.67mm)
65.31"
(1,658.87mm)
-4.26"
(-108.20mm)
24th Driest
Driest since:
1966
104th Wettest
Wettest since:
2019
Oct 1923–Sep 1925
24-Month
81.01"
(2,057.65mm)
83.94"
(2,132.08mm)
-2.93"
(-74.43mm)
36th Driest
Driest since:
1966
91st Wettest
Wettest since:
2019
Oct 1922–Sep 1925
36-Month
116.40"
(2,956.56mm)
125.94"
(3,198.88mm)
-9.54"
(-242.32mm)
14th Driest
Driest since:
1965
112th Wettest
Wettest since:
2019
Oct 1921–Sep 1925
48-Month
155.71"
(3,955.03mm)
167.94"
(4,265.68mm)
-12.23"
(-310.65mm)
9th Driest
Driest since:
1966
116th Wettest
Wettest since:
2021
Oct 1920–Sep 1925
60-Month
196.00"
(4,978.40mm)
209.89"
(5,331.21mm)
-13.89"
(-352.81mm)
11th Driest
Driest since:
1966
113th Wettest
Wettest since:
2021

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