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 1989

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1989
1-Month
4.66"
(118.36mm)
4.19"
(106.43mm)
0.47"
(11.93mm)
82nd Driest
Driest since:
1909
47th Wettest
Wettest since:
2018
Jun–Jul 1989
2-Month
11.72"
(297.69mm)
8.36"
(212.34mm)
3.36"
(85.35mm)
120th Driest
Driest since:
1966
9th Wettest
Wettest since:
1972
May–Jul 1989
3-Month
19.60"
(497.84mm)
12.28"
(311.91mm)
7.32"
(185.93mm)
128th Driest
Driest since:
1966
1st Wettest
Wettest to Date
1989
Apr–Jul 1989
4-Month
21.31"
(541.27mm)
15.93"
(404.62mm)
5.38"
(136.65mm)
124th Driest
Driest since:
1965
5th Wettest
Wettest since:
1972
Mar–Jul 1989
5-Month
25.36"
(644.14mm)
19.42"
(493.27mm)
5.94"
(150.87mm)
124th Driest
Driest since:
1966
5th Wettest
Wettest since:
1972
Feb–Jul 1989
6-Month
27.84"
(707.14mm)
22.02"
(559.31mm)
5.82"
(147.83mm)
123rd Driest
Driest since:
1965
6th Wettest
Wettest since:
2018
Jan–Jul 1989
7-Month
29.88"
(758.95mm)
25.07"
(636.78mm)
4.81"
(122.17mm)
120th Driest
Driest since:
1991
9th Wettest
Wettest since:
2018
Dec 1988–Jul 1989
8-Month
31.40"
(797.56mm)
28.17"
(715.52mm)
3.23"
(82.04mm)
102nd Driest
Driest since:
1966
26th Wettest
Wettest since:
2019
Nov 1988–Jul 1989
9-Month
35.41"
(899.41mm)
31.37"
(796.80mm)
4.04"
(102.61mm)
105th Driest
Driest since:
1966
23rd Wettest
Wettest since:
2019
Oct 1988–Jul 1989
10-Month
37.82"
(960.63mm)
34.55"
(877.57mm)
3.27"
(83.06mm)
97th Driest
Driest since:
1934
31st Wettest
Wettest since:
2019
Sep 1988–Jul 1989
11-Month
41.01"
(1,041.65mm)
38.11"
(967.99mm)
2.90"
(73.66mm)
86th Driest
Driest since:
1965
42nd Wettest
Wettest since:
2019
Aug 1988–Jul 1989
12-Month
44.98"
(1,142.49mm)
41.98"
(1,066.29mm)
3.00"
(76.20mm)
87th Driest
Driest since:
1965
41st Wettest
Wettest since:
2019
Feb 1988–Jul 1989
18-Month
64.00"
(1,625.60mm)
63.96"
(1,624.58mm)
0.04"
(1.02mm)
56th Driest
Driest since:
1966
72nd Wettest
Wettest since:
2019
Ties: 2010
Aug 1987–Jul 1989
24-Month
84.48"
(2,145.79mm)
83.89"
(2,130.81mm)
0.59"
(14.98mm)
61st Driest
Driest since:
1966
66th Wettest
Wettest since:
2019
Aug 1986–Jul 1989
36-Month
124.88"
(3,171.95mm)
125.92"
(3,198.37mm)
-1.04"
(-26.42mm)
50th Driest
Driest since:
1966
76th Wettest
Wettest since:
2019
Aug 1985–Jul 1989
48-Month
169.52"
(4,305.81mm)
167.89"
(4,264.41mm)
1.63"
(41.40mm)
58th Driest
Driest since:
1966
67th Wettest
Wettest since:
2020
Aug 1984–Jul 1989
60-Month
207.67"
(5,274.82mm)
209.81"
(5,329.17mm)
-2.14"
(-54.35mm)
40th Driest
Driest since:
1966
84th Wettest
Wettest since:
2021

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