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 1929

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 1929
1-Month
2.37"
(60.20mm)
3.87"
(98.30mm)
-1.50"
(-38.10mm)
10th Driest
Driest since:
1930
119th Wettest
Wettest since:
1955
Ties: 1925
Jul–Aug 1929
2-Month
5.42"
(137.67mm)
8.05"
(204.47mm)
-2.63"
(-66.80mm)
11th Driest
Driest since:
1930
118th Wettest
Wettest since:
2018
Jun–Aug 1929
3-Month
8.94"
(227.08mm)
12.22"
(310.39mm)
-3.28"
(-83.31mm)
11th Driest
Driest since:
1966
118th Wettest
Wettest since:
2018
May–Aug 1929
4-Month
13.97"
(354.84mm)
16.15"
(410.21mm)
-2.18"
(-55.37mm)
22nd Driest
Driest since:
1966
107th Wettest
Wettest since:
2018
Apr–Aug 1929
5-Month
20.36"
(517.14mm)
19.79"
(502.67mm)
0.57"
(14.47mm)
70th Driest
Driest since:
1966
59th Wettest
Wettest since:
2018
Ties: 1918, 1981
Mar–Aug 1929
6-Month
23.20"
(589.28mm)
23.29"
(591.57mm)
-0.09"
(-2.29mm)
60th Driest
Driest since:
1966
69th Wettest
Wettest since:
2011
Feb–Aug 1929
7-Month
25.93"
(658.62mm)
25.89"
(657.61mm)
0.04"
(1.01mm)
59th Driest
Driest since:
1995
70th Wettest
Wettest since:
2018
Ties: 1953
Jan–Aug 1929
8-Month
29.35"
(745.49mm)
28.94"
(735.08mm)
0.41"
(10.41mm)
71st Driest
Driest since:
1963
58th Wettest
Wettest since:
2018
Dec 1928–Aug 1929
9-Month
30.48"
(774.19mm)
32.03"
(813.56mm)
-1.55"
(-39.37mm)
42nd Driest
Driest since:
1966
86th Wettest
Wettest since:
2018
Nov 1928–Aug 1929
10-Month
32.95"
(836.93mm)
35.24"
(895.10mm)
-2.29"
(-58.17mm)
37th Driest
Driest since:
1966
91st Wettest
Wettest since:
2019
Oct 1928–Aug 1929
11-Month
34.94"
(887.48mm)
38.42"
(975.87mm)
-3.48"
(-88.39mm)
25th Driest
Driest since:
1925
103rd Wettest
Wettest since:
2019
Sep 1928–Aug 1929
12-Month
37.20"
(944.88mm)
41.98"
(1,066.29mm)
-4.78"
(-121.41mm)
20th Driest
Driest since:
1965
108th Wettest
Wettest since:
2019
Mar 1928–Aug 1929
18-Month
65.99"
(1,676.15mm)
65.21"
(1,656.33mm)
0.78"
(19.82mm)
67th Driest
Driest since:
1966
61st Wettest
Wettest since:
2019
Ties: 1955
Sep 1927–Aug 1929
24-Month
89.01"
(2,260.85mm)
83.89"
(2,130.81mm)
5.12"
(130.04mm)
90th Driest
Driest since:
1966
37th Wettest
Wettest since:
2019
Sep 1926–Aug 1929
36-Month
136.08"
(3,456.43mm)
125.89"
(3,197.61mm)
10.19"
(258.82mm)
99th Driest
Driest since:
1966
27th Wettest
Wettest since:
2019
Sep 1925–Aug 1929
48-Month
174.93"
(4,443.22mm)
167.87"
(4,263.90mm)
7.06"
(179.32mm)
85th Driest
Driest since:
1966
40th Wettest
Wettest since:
2020
Sep 1924–Aug 1929
60-Month
210.46"
(5,345.68mm)
209.80"
(5,328.92mm)
0.66"
(16.76mm)
54th Driest
Driest since:
1966
70th Wettest
Wettest since:
2021
Ties: 1959

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