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, July 1901

View Period (Months):
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1901
1-Month
4.05"
(102.87mm)
4.19"
(106.43mm)
-0.14"
(-3.56mm)
54th Driest
Driest since:
1909
75th Wettest
Wettest since:
2018
Ties: 1951
Jun–Jul 1901
2-Month
7.98"
(202.69mm)
8.36"
(212.34mm)
-0.38"
(-9.65mm)
55th Driest
Driest since:
1966
74th Wettest
Wettest since:
1972
May–Jul 1901
3-Month
13.70"
(347.98mm)
12.28"
(311.91mm)
1.42"
(36.07mm)
91st Driest
Driest since:
1966
38th Wettest
Wettest since:
1989
Ties: 1917
Apr–Jul 1901
4-Month
19.28"
(489.71mm)
15.93"
(404.62mm)
3.35"
(85.09mm)
114th Driest
Driest since:
1965
15th Wettest
Wettest to Date
1972
Mar–Jul 1901
5-Month
23.38"
(593.85mm)
19.42"
(493.27mm)
3.96"
(100.58mm)
117th Driest
Driest since:
1966
12th Wettest
Wettest to Date
1972
Feb–Jul 1901
6-Month
24.37"
(619.00mm)
22.02"
(559.31mm)
2.35"
(59.69mm)
99th Driest
Driest since:
1965
30th Wettest
Wettest to Date
2018
Jan–Jul 1901
7-Month
26.68"
(677.67mm)
25.07"
(636.78mm)
1.61"
(40.89mm)
90th Driest
Driest since:
1991
39th Wettest
Wettest to Date
2018
Dec 1900–Jul 1901
8-Month
28.88"
(733.55mm)
28.17"
(715.52mm)
0.71"
(18.03mm)
72nd Driest
Driest since:
1966
56th Wettest
Wettest to Date
2019
Nov 1900–Jul 1901
9-Month
33.43"
(849.12mm)
31.37"
(796.80mm)
2.06"
(52.32mm)
89th Driest
Driest since:
1966
39th Wettest
Wettest since:
2019
Ties: 1946
Oct 1900–Jul 1901
10-Month
36.46"
(926.08mm)
34.55"
(877.57mm)
1.91"
(48.51mm)
88th Driest
Driest since:
1934
40th Wettest
Wettest since:
2019
Ties: 1912
Sep 1900–Jul 1901
11-Month
38.02"
(965.71mm)
38.11"
(967.99mm)
-0.09"
(-2.28mm)
62nd Driest
Driest since:
1965
66th Wettest
Wettest since:
2019
Ties: 1936
Aug 1900–Jul 1901
12-Month
41.43"
(1,052.32mm)
41.98"
(1,066.29mm)
-0.55"
(-13.97mm)
55th Driest
Driest since:
1965
73rd Wettest
Wettest since:
2019
Feb 1900–Jul 1901
18-Month
61.72"
(1,567.69mm)
63.96"
(1,624.58mm)
-2.24"
(-56.89mm)
37th Driest
Driest since:
1966
91st Wettest
Wettest since:
2019
Aug 1899–Jul 1901
24-Month
80.23"
(2,037.84mm)
83.89"
(2,130.81mm)
-3.66"
(-92.97mm)
32nd Driest
Driest since:
1966
95th Wettest
Wettest since:
2019
Aug 1898–Jul 1901
36-Month
125.42"
(3,185.67mm)
125.92"
(3,198.37mm)
-0.50"
(-12.70mm)
54th Driest
Driest since:
1966
72nd Wettest
Wettest since:
2019
Aug 1897–Jul 1901
48-Month
166.27"
(4,223.26mm)
167.89"
(4,264.41mm)
-1.62"
(-41.15mm)
43rd Driest
Driest since:
1966
82nd Wettest
Wettest to Date
2020
Aug 1896–Jul 1901
60-Month
206.77"
(5,251.96mm)
209.81"
(5,329.17mm)
-3.04"
(-77.21mm)
35th Driest
Driest since:
1966
89th Wettest
Wettest to Date
2021

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