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 1924

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 1924
1-Month
5.91"
(150.11mm)
3.93"
(99.82mm)
1.98"
(50.29mm)
115th Driest
Driest since:
1964
14th Wettest
Wettest since:
1989
Apr–May 1924
2-Month
10.10"
(256.54mm)
7.57"
(192.28mm)
2.53"
(64.26mm)
114th Driest
Driest since:
1926
15th Wettest
Wettest since:
2011
Ties: 1943
Mar–May 1924
3-Month
12.88"
(327.15mm)
11.06"
(280.92mm)
1.82"
(46.23mm)
105th Driest
Driest since:
1926
24th Wettest
Wettest since:
2011
Ties: 1943
Feb–May 1924
4-Month
15.71"
(399.03mm)
13.66"
(346.96mm)
2.05"
(52.07mm)
103rd Driest
Driest since:
1941
26th Wettest
Wettest since:
2011
Jan–May 1924
5-Month
20.09"
(510.29mm)
16.71"
(424.43mm)
3.38"
(85.86mm)
116th Driest
Driest since:
1941
13th Wettest
Wettest since:
2011
Dec 1923–May 1924
6-Month
24.97"
(634.24mm)
19.81"
(503.17mm)
5.16"
(131.07mm)
121st Driest
Driest since:
1941
7th Wettest
Wettest since:
2011
Ties: 1979
Nov 1923–May 1924
7-Month
27.83"
(706.88mm)
23.02"
(584.71mm)
4.81"
(122.17mm)
116th Driest
Driest since:
1934
12th Wettest
Wettest since:
1952
Oct 1923–May 1924
8-Month
30.06"
(763.52mm)
26.19"
(665.23mm)
3.87"
(98.29mm)
105th Driest
Driest since:
1925
23rd Wettest
Wettest since:
2011
Sep 1923–May 1924
9-Month
33.55"
(852.17mm)
29.75"
(755.65mm)
3.80"
(96.52mm)
105th Driest
Driest since:
1941
23rd Wettest
Wettest since:
2019
Aug 1923–May 1924
10-Month
36.43"
(925.32mm)
33.62"
(853.95mm)
2.81"
(71.37mm)
90th Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Jul 1923–May 1924
11-Month
40.69"
(1,033.53mm)
37.82"
(960.63mm)
2.87"
(72.90mm)
89th Driest
Driest since:
1931
39th Wettest
Wettest since:
2019
Jun 1923–May 1924
12-Month
43.63"
(1,108.20mm)
41.97"
(1,066.04mm)
1.66"
(42.16mm)
75th Driest
Driest since:
1931
53rd Wettest
Wettest since:
2019
Dec 1922–May 1924
18-Month
61.74"
(1,568.20mm)
61.76"
(1,568.70mm)
-0.02"
(-0.50mm)
61st Driest
Driest since:
1931
66th Wettest
Wettest since:
2019
Jun 1922–May 1924
24-Month
79.26"
(2,013.20mm)
83.91"
(2,131.31mm)
-4.65"
(-118.11mm)
26th Driest
Driest since:
1931
101st Wettest
Wettest since:
2019
Jun 1921–May 1924
36-Month
120.69"
(3,065.53mm)
125.93"
(3,198.62mm)
-5.24"
(-133.09mm)
29th Driest
Driest since:
1965
97th Wettest
Wettest since:
2020
Jun 1920–May 1924
48-Month
163.25"
(4,146.55mm)
167.92"
(4,265.17mm)
-4.67"
(-118.62mm)
29th Driest
Driest since:
1966
96th Wettest
Wettest since:
2020
Jun 1919–May 1924
60-Month
205.86"
(5,228.84mm)
209.84"
(5,329.94mm)
-3.98"
(-101.10mm)
33rd Driest
Driest since:
1967
91st Wettest
Wettest since:
2022

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