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 1909

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 1909
1-Month
1.90"
(48.26mm)
4.19"
(106.43mm)
-2.29"
(-58.17mm)
1st Driest
Driest since:
1909
128th Wettest
Wettest since:
2018
Jun–Jul 1909
2-Month
6.37"
(161.80mm)
8.36"
(212.34mm)
-1.99"
(-50.54mm)
15th Driest
Driest since:
1966
114th Wettest
Wettest since:
1972
May–Jul 1909
3-Month
9.47"
(240.54mm)
12.28"
(311.91mm)
-2.81"
(-71.37mm)
19th Driest
Driest since:
1966
110th Wettest
Wettest since:
1989
Apr–Jul 1909
4-Month
15.09"
(383.29mm)
15.93"
(404.62mm)
-0.84"
(-21.33mm)
45th Driest
Driest since:
1965
84th Wettest
Wettest since:
1972
Mar–Jul 1909
5-Month
18.10"
(459.74mm)
19.42"
(493.27mm)
-1.32"
(-33.53mm)
38th Driest
Driest since:
1966
91st Wettest
Wettest since:
1972
Feb–Jul 1909
6-Month
22.86"
(580.64mm)
22.02"
(559.31mm)
0.84"
(21.33mm)
76th Driest
Driest since:
1965
53rd Wettest
Wettest since:
2018
Ties: 1931
Jan–Jul 1909
7-Month
25.94"
(658.88mm)
25.07"
(636.78mm)
0.87"
(22.10mm)
78th Driest
Driest since:
1991
51st Wettest
Wettest since:
2018
Dec 1908–Jul 1909
8-Month
28.73"
(729.74mm)
28.17"
(715.52mm)
0.56"
(14.22mm)
68th Driest
Driest since:
1966
60th Wettest
Wettest since:
2019
Nov 1908–Jul 1909
9-Month
29.75"
(755.65mm)
31.37"
(796.80mm)
-1.62"
(-41.15mm)
39th Driest
Driest since:
1966
89th Wettest
Wettest since:
2019
Oct 1908–Jul 1909
10-Month
31.48"
(799.59mm)
34.55"
(877.57mm)
-3.07"
(-77.98mm)
25th Driest
Driest since:
1934
103rd Wettest
Wettest since:
2019
Sep 1908–Jul 1909
11-Month
32.93"
(836.42mm)
38.11"
(967.99mm)
-5.18"
(-131.57mm)
13th Driest
Driest since:
1965
115th Wettest
Wettest since:
2019
Aug 1908–Jul 1909
12-Month
35.79"
(909.07mm)
41.98"
(1,066.29mm)
-6.19"
(-157.22mm)
11th Driest
Driest since:
1965
117th Wettest
Wettest since:
2019
Feb 1908–Jul 1909
18-Month
62.96"
(1,599.18mm)
63.96"
(1,624.58mm)
-1.00"
(-25.40mm)
50th Driest
Driest since:
1966
78th Wettest
Wettest since:
2019
Aug 1907–Jul 1909
24-Month
85.61"
(2,174.49mm)
83.89"
(2,130.81mm)
1.72"
(43.68mm)
71st Driest
Driest since:
1966
56th Wettest
Wettest since:
2019
Aug 1906–Jul 1909
36-Month
128.58"
(3,265.93mm)
125.92"
(3,198.37mm)
2.66"
(67.56mm)
71st Driest
Driest since:
1966
55th Wettest
Wettest since:
2019
Aug 1905–Jul 1909
48-Month
171.26"
(4,350.00mm)
167.89"
(4,264.41mm)
3.37"
(85.59mm)
65th Driest
Driest since:
1966
60th Wettest
Wettest since:
2020
Aug 1904–Jul 1909
60-Month
209.89"
(5,331.21mm)
209.81"
(5,329.17mm)
0.08"
(2.04mm)
49th Driest
Driest since:
1966
75th Wettest
Wettest since:
2021

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