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 1926

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1926
1-Month
1.59"
(40.39mm)
3.93"
(99.82mm)
-2.34"
(-59.43mm)
2nd Driest
Driest to Date
1964
127th Wettest
Wettest since:
1989
Apr–May 1926
2-Month
3.75"
(95.25mm)
7.57"
(192.28mm)
-3.82"
(-97.03mm)
1st Driest
Driest to Date
1926
128th Wettest
Wettest since:
2011
Mar–May 1926
3-Month
5.68"
(144.27mm)
11.06"
(280.92mm)
-5.38"
(-136.65mm)
1st Driest
Driest to Date
1926
128th Wettest
Wettest since:
2011
Feb–May 1926
4-Month
9.78"
(248.41mm)
13.66"
(346.96mm)
-3.88"
(-98.55mm)
5th Driest
Driest since:
1941
124th Wettest
Wettest since:
2011
Jan–May 1926
5-Month
12.49"
(317.25mm)
16.71"
(424.43mm)
-4.22"
(-107.18mm)
4th Driest
Driest to Date
1941
125th Wettest
Wettest since:
2011
Dec 1925–May 1926
6-Month
14.32"
(363.73mm)
19.81"
(503.17mm)
-5.49"
(-139.44mm)
3rd Driest
Driest to Date
1941
125th Wettest
Wettest since:
2011
Nov 1925–May 1926
7-Month
17.95"
(455.93mm)
23.02"
(584.71mm)
-5.07"
(-128.78mm)
5th Driest
Driest since:
1934
123rd Wettest
Wettest since:
1952
Oct 1925–May 1926
8-Month
22.73"
(577.34mm)
26.19"
(665.23mm)
-3.46"
(-87.89mm)
21st Driest
Driest since:
1925
107th Wettest
Wettest since:
2011
Sep 1925–May 1926
9-Month
25.79"
(655.07mm)
29.75"
(755.65mm)
-3.96"
(-100.58mm)
18th Driest
Driest since:
1941
110th Wettest
Wettest since:
2019
Aug 1925–May 1926
10-Month
28.16"
(715.26mm)
33.62"
(853.95mm)
-5.46"
(-138.69mm)
7th Driest
Driest since:
1931
121st Wettest
Wettest since:
2019
Jul 1925–May 1926
11-Month
33.52"
(851.41mm)
37.82"
(960.63mm)
-4.30"
(-109.22mm)
20th Driest
Driest since:
1931
108th Wettest
Wettest since:
2019
Jun 1925–May 1926
12-Month
36.80"
(934.72mm)
41.97"
(1,066.04mm)
-5.17"
(-131.32mm)
17th Driest
Driest since:
1931
111th Wettest
Wettest since:
2019
Dec 1924–May 1926
18-Month
52.93"
(1,344.42mm)
61.76"
(1,568.70mm)
-8.83"
(-224.28mm)
5th Driest
Driest to Date
1931
122nd Wettest
Wettest since:
2019
Jun 1924–May 1926
24-Month
73.68"
(1,871.47mm)
83.91"
(2,131.31mm)
-10.23"
(-259.84mm)
10th Driest
Driest since:
1931
117th Wettest
Wettest since:
2019
Jun 1923–May 1926
36-Month
117.31"
(2,979.67mm)
125.93"
(3,198.62mm)
-8.62"
(-218.95mm)
18th Driest
Driest since:
1965
108th Wettest
Wettest since:
2020
Jun 1922–May 1926
48-Month
152.94"
(3,884.68mm)
167.92"
(4,265.17mm)
-14.98"
(-380.49mm)
10th Driest
Driest to Date
1966
115th Wettest
Wettest since:
2020
Jun 1921–May 1926
60-Month
194.37"
(4,937.00mm)
209.84"
(5,329.94mm)
-15.47"
(-392.94mm)
9th Driest
Driest to Date
1967
115th Wettest
Wettest since:
2022

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