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 1947

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
July 1947
1-Month
6.07"
(154.18mm)
4.19"
(106.43mm)
1.88"
(47.75mm)
118th Driest
Driest since:
1909
11th Wettest
Wettest since:
2018
Jun–Jul 1947
2-Month
10.20"
(259.08mm)
8.36"
(212.34mm)
1.84"
(46.74mm)
108th Driest
Driest since:
1966
21st Wettest
Wettest since:
1972
May–Jul 1947
3-Month
16.66"
(423.16mm)
12.28"
(311.91mm)
4.38"
(111.25mm)
120th Driest
Driest since:
1966
9th Wettest
Wettest since:
1989
Apr–Jul 1947
4-Month
20.56"
(522.22mm)
15.93"
(404.62mm)
4.63"
(117.60mm)
120th Driest
Driest since:
1965
9th Wettest
Wettest since:
1972
Mar–Jul 1947
5-Month
22.84"
(580.14mm)
19.42"
(493.27mm)
3.42"
(86.87mm)
113th Driest
Driest since:
1966
16th Wettest
Wettest since:
1972
Feb–Jul 1947
6-Month
24.19"
(614.43mm)
22.02"
(559.31mm)
2.17"
(55.12mm)
95th Driest
Driest since:
1965
34th Wettest
Wettest since:
2018
Jan–Jul 1947
7-Month
27.90"
(708.66mm)
25.07"
(636.78mm)
2.83"
(71.88mm)
101st Driest
Driest since:
1991
28th Wettest
Wettest since:
2018
Dec 1946–Jul 1947
8-Month
30.24"
(768.10mm)
28.17"
(715.52mm)
2.07"
(52.58mm)
92nd Driest
Driest since:
1966
36th Wettest
Wettest since:
2019
Nov 1946–Jul 1947
9-Month
31.60"
(802.64mm)
31.37"
(796.80mm)
0.23"
(5.84mm)
68th Driest
Driest since:
1966
60th Wettest
Wettest since:
2019
Oct 1946–Jul 1947
10-Month
35.26"
(895.60mm)
34.55"
(877.57mm)
0.71"
(18.03mm)
72nd Driest
Driest since:
1934
56th Wettest
Wettest since:
2019
Sep 1946–Jul 1947
11-Month
38.60"
(980.44mm)
38.11"
(967.99mm)
0.49"
(12.45mm)
71st Driest
Driest since:
1965
57th Wettest
Wettest since:
2019
Aug 1946–Jul 1947
12-Month
42.56"
(1,081.02mm)
41.98"
(1,066.29mm)
0.58"
(14.73mm)
66th Driest
Driest since:
1965
62nd Wettest
Wettest since:
2019
Feb 1946–Jul 1947
18-Month
66.66"
(1,693.16mm)
63.96"
(1,624.58mm)
2.70"
(68.58mm)
86th Driest
Driest since:
1966
42nd Wettest
Wettest since:
2019
Aug 1945–Jul 1947
24-Month
89.34"
(2,269.24mm)
83.89"
(2,130.81mm)
5.45"
(138.43mm)
87th Driest
Driest since:
1966
40th Wettest
Wettest since:
2019
Aug 1944–Jul 1947
36-Month
134.31"
(3,411.47mm)
125.92"
(3,198.37mm)
8.39"
(213.10mm)
94th Driest
Driest since:
1966
32nd Wettest
Wettest since:
2019
Aug 1943–Jul 1947
48-Month
171.52"
(4,356.61mm)
167.89"
(4,264.41mm)
3.63"
(92.20mm)
68th Driest
Driest since:
1966
57th Wettest
Wettest since:
2020
Aug 1942–Jul 1947
60-Month
218.80"
(5,557.52mm)
209.81"
(5,329.17mm)
8.99"
(228.35mm)
87th Driest
Driest since:
1966
37th Wettest
Wettest since:
2021

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