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, May 2005

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
May 2005
1-Month
2.08"
(52.83mm)
3.93"
(99.82mm)
-1.85"
(-46.99mm)
11th Driest
Driest since:
1964
118th Wettest
Wettest since:
1989
Apr–May 2005
2-Month
5.88"
(149.35mm)
7.57"
(192.28mm)
-1.69"
(-42.93mm)
29th Driest
Driest since:
1926
100th Wettest
Wettest since:
2011
Mar–May 2005
3-Month
9.48"
(240.79mm)
11.06"
(280.92mm)
-1.58"
(-40.13mm)
33rd Driest
Driest since:
1926
96th Wettest
Wettest since:
2011
Feb–May 2005
4-Month
11.79"
(299.47mm)
13.66"
(346.96mm)
-1.87"
(-47.49mm)
29th Driest
Driest since:
1941
100th Wettest
Wettest since:
2011
Jan–May 2005
5-Month
17.37"
(441.20mm)
16.71"
(424.43mm)
0.66"
(16.77mm)
78th Driest
Driest since:
1941
51st Wettest
Wettest since:
2011
Dec 2004–May 2005
6-Month
20.86"
(529.84mm)
19.81"
(503.17mm)
1.05"
(26.67mm)
82nd Driest
Driest since:
1941
46th Wettest
Wettest since:
2011
Nov 2004–May 2005
7-Month
24.33"
(617.98mm)
23.02"
(584.71mm)
1.31"
(33.27mm)
83rd Driest
Driest since:
1934
45th Wettest
Wettest since:
1952
Oct 2004–May 2005
8-Month
26.94"
(684.28mm)
26.19"
(665.23mm)
0.75"
(19.05mm)
74th Driest
Driest since:
1925
54th Wettest
Wettest since:
2011
Sep 2004–May 2005
9-Month
35.81"
(909.57mm)
29.75"
(755.65mm)
6.06"
(153.92mm)
117th Driest
Driest since:
1941
11th Wettest
Wettest since:
2019
Aug 2004–May 2005
10-Month
41.07"
(1,043.18mm)
33.62"
(853.95mm)
7.45"
(189.23mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Jul 2004–May 2005
11-Month
48.17"
(1,223.52mm)
37.82"
(960.63mm)
10.35"
(262.89mm)
124th Driest
Driest since:
1931
4th Wettest
Wettest since:
2019
Jun 2004–May 2005
12-Month
52.57"
(1,335.28mm)
41.97"
(1,066.04mm)
10.60"
(269.24mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2019
Dec 2003–May 2005
18-Month
75.44"
(1,916.18mm)
61.76"
(1,568.70mm)
13.68"
(347.48mm)
123rd Driest
Driest since:
1931
4th Wettest
Wettest since:
2019
Jun 2003–May 2005
24-Month
108.36"
(2,752.34mm)
83.91"
(2,131.31mm)
24.45"
(621.03mm)
124th Driest
Driest since:
1931
3rd Wettest
Wettest to Date
2019
Jun 2002–May 2005
36-Month
151.23"
(3,841.24mm)
125.93"
(3,198.62mm)
25.30"
(642.62mm)
122nd Driest
Driest since:
1965
4th Wettest
Wettest to Date
2020
Jun 2001–May 2005
48-Month
189.41"
(4,811.01mm)
167.92"
(4,265.17mm)
21.49"
(545.84mm)
116th Driest
Driest since:
1966
9th Wettest
Wettest to Date
2020
Jun 2000–May 2005
60-Month
226.41"
(5,750.81mm)
209.84"
(5,329.94mm)
16.57"
(420.87mm)
101st Driest
Driest since:
1967
23rd Wettest
Wettest since:
2022

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