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 1964

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 1964
1-Month
3.06"
(77.72mm)
3.87"
(98.30mm)
-0.81"
(-20.58mm)
33rd Driest
Driest since:
1930
96th Wettest
Wettest since:
1955
Ties: 1991
Jul–Aug 1964
2-Month
6.68"
(169.67mm)
8.05"
(204.47mm)
-1.37"
(-34.80mm)
29th Driest
Driest since:
1930
100th Wettest
Wettest since:
2018
Jun–Aug 1964
3-Month
10.21"
(259.33mm)
12.22"
(310.39mm)
-2.01"
(-51.06mm)
24th Driest
Driest since:
1966
105th Wettest
Wettest since:
2018
May–Aug 1964
4-Month
11.76"
(298.70mm)
16.15"
(410.21mm)
-4.39"
(-111.51mm)
8th Driest
Driest since:
1966
121st Wettest
Wettest since:
2018
Apr–Aug 1964
5-Month
17.41"
(442.21mm)
19.79"
(502.67mm)
-2.38"
(-60.46mm)
26th Driest
Driest since:
1966
103rd Wettest
Wettest since:
2018
Mar–Aug 1964
6-Month
21.36"
(542.54mm)
23.29"
(591.57mm)
-1.93"
(-49.03mm)
32nd Driest
Driest since:
1966
97th Wettest
Wettest since:
2011
Feb–Aug 1964
7-Month
23.88"
(606.55mm)
25.89"
(657.61mm)
-2.01"
(-51.06mm)
32nd Driest
Driest since:
1995
97th Wettest
Wettest since:
2018
Jan–Aug 1964
8-Month
27.47"
(697.74mm)
28.94"
(735.08mm)
-1.47"
(-37.34mm)
39th Driest
Driest since:
1963
90th Wettest
Wettest since:
2018
Dec 1963–Aug 1964
9-Month
29.58"
(751.33mm)
32.03"
(813.56mm)
-2.45"
(-62.23mm)
27th Driest
Driest since:
1966
101st Wettest
Wettest since:
2018
Nov 1963–Aug 1964
10-Month
34.92"
(886.97mm)
35.24"
(895.10mm)
-0.32"
(-8.13mm)
60th Driest
Driest since:
1966
68th Wettest
Wettest since:
2019
Oct 1963–Aug 1964
11-Month
35.14"
(892.56mm)
38.42"
(975.87mm)
-3.28"
(-83.31mm)
27th Driest
Driest since:
1925
101st Wettest
Wettest since:
2019
Sep 1963–Aug 1964
12-Month
37.84"
(961.14mm)
41.98"
(1,066.29mm)
-4.14"
(-105.15mm)
25th Driest
Driest since:
1965
103rd Wettest
Wettest since:
2019
Mar 1963–Aug 1964
18-Month
55.73"
(1,415.54mm)
65.21"
(1,656.33mm)
-9.48"
(-240.79mm)
6th Driest
Driest since:
1966
122nd Wettest
Wettest since:
2019
Sep 1962–Aug 1964
24-Month
72.79"
(1,848.87mm)
83.89"
(2,130.81mm)
-11.10"
(-281.94mm)
8th Driest
Driest since:
1966
119th Wettest
Wettest since:
2019
Sep 1961–Aug 1964
36-Month
106.91"
(2,715.51mm)
125.89"
(3,197.61mm)
-18.98"
(-482.10mm)
3rd Driest
Driest since:
1966
123rd Wettest
Wettest since:
2019
Sep 1960–Aug 1964
48-Month
147.97"
(3,758.44mm)
167.87"
(4,263.90mm)
-19.90"
(-505.46mm)
6th Driest
Driest since:
1966
119th Wettest
Wettest since:
2020
Sep 1959–Aug 1964
60-Month
192.82"
(4,897.63mm)
209.80"
(5,328.92mm)
-16.98"
(-431.29mm)
7th Driest
Driest since:
1966
117th Wettest
Wettest since:
2021

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