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, August 1911

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
August 1911
1-Month
7.31"
(185.67mm)
3.87"
(98.30mm)
3.44"
(87.37mm)
126th Driest
Driest since:
1930
3rd Wettest
Wettest to Date
1955
Jul–Aug 1911
2-Month
10.05"
(255.27mm)
8.05"
(204.47mm)
2.00"
(50.80mm)
110th Driest
Driest since:
1930
19th Wettest
Wettest since:
2018
Ties: 1912
Jun–Aug 1911
3-Month
14.78"
(375.41mm)
12.22"
(310.39mm)
2.56"
(65.02mm)
107th Driest
Driest since:
1966
22nd Wettest
Wettest since:
2018
May–Aug 1911
4-Month
16.69"
(423.93mm)
16.15"
(410.21mm)
0.54"
(13.72mm)
75th Driest
Driest since:
1966
54th Wettest
Wettest since:
2018
Apr–Aug 1911
5-Month
20.31"
(515.87mm)
19.79"
(502.67mm)
0.52"
(13.20mm)
67th Driest
Driest since:
1966
62nd Wettest
Wettest since:
2018
Mar–Aug 1911
6-Month
23.04"
(585.22mm)
23.29"
(591.57mm)
-0.25"
(-6.35mm)
56th Driest
Driest since:
1966
73rd Wettest
Wettest since:
2011
Feb–Aug 1911
7-Month
25.42"
(645.67mm)
25.89"
(657.61mm)
-0.47"
(-11.94mm)
52nd Driest
Driest since:
1995
77th Wettest
Wettest since:
2018
Ties: 2013
Jan–Aug 1911
8-Month
29.02"
(737.11mm)
28.94"
(735.08mm)
0.08"
(2.03mm)
62nd Driest
Driest since:
1963
67th Wettest
Wettest since:
2018
Ties: 1913
Dec 1910–Aug 1911
9-Month
31.66"
(804.16mm)
32.03"
(813.56mm)
-0.37"
(-9.40mm)
58th Driest
Driest since:
1966
70th Wettest
Wettest since:
2018
Nov 1910–Aug 1911
10-Month
34.24"
(869.70mm)
35.24"
(895.10mm)
-1.00"
(-25.40mm)
48th Driest
Driest since:
1966
80th Wettest
Wettest since:
2019
Ties: 2015
Oct 1910–Aug 1911
11-Month
36.22"
(919.99mm)
38.42"
(975.87mm)
-2.20"
(-55.88mm)
37th Driest
Driest since:
1925
91st Wettest
Wettest since:
2019
Sep 1910–Aug 1911
12-Month
40.91"
(1,039.11mm)
41.98"
(1,066.29mm)
-1.07"
(-27.18mm)
48th Driest
Driest since:
1965
80th Wettest
Wettest since:
2019
Mar 1910–Aug 1911
18-Month
58.77"
(1,492.76mm)
65.21"
(1,656.33mm)
-6.44"
(-163.57mm)
13th Driest
Driest since:
1966
115th Wettest
Wettest since:
2019
Sep 1909–Aug 1911
24-Month
77.50"
(1,968.50mm)
83.89"
(2,130.81mm)
-6.39"
(-162.31mm)
16th Driest
Driest since:
1966
111th Wettest
Wettest since:
2019
Sep 1908–Aug 1911
36-Month
112.83"
(2,865.88mm)
125.89"
(3,197.61mm)
-13.06"
(-331.73mm)
9th Driest
Driest since:
1966
117th Wettest
Wettest since:
2019
Sep 1907–Aug 1911
48-Month
162.95"
(4,138.93mm)
167.87"
(4,263.90mm)
-4.92"
(-124.97mm)
29th Driest
Driest since:
1966
96th Wettest
Wettest since:
2020
Sep 1906–Aug 1911
60-Month
203.12"
(5,159.25mm)
209.80"
(5,328.92mm)
-6.68"
(-169.67mm)
23rd Driest
Driest since:
1966
101st Wettest
Wettest since:
2021

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