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, April 1966

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
April 1966
1-Month
3.36"
(85.34mm)
3.64"
(92.46mm)
-0.28"
(-7.12mm)
57th Driest
Driest since:
1946
72nd Wettest
Wettest since:
2011
Mar–Apr 1966
2-Month
5.78"
(146.81mm)
7.14"
(181.36mm)
-1.36"
(-34.55mm)
32nd Driest
Driest since:
1915
97th Wettest
Wettest since:
2011
Feb–Apr 1966
3-Month
8.95"
(227.33mm)
9.73"
(247.14mm)
-0.78"
(-19.81mm)
48th Driest
Driest since:
1941
81st Wettest
Wettest since:
2011
Jan–Apr 1966
4-Month
12.40"
(314.96mm)
12.78"
(324.61mm)
-0.38"
(-9.65mm)
63rd Driest
Driest since:
1941
66th Wettest
Wettest since:
2011
Dec 1965–Apr 1966
5-Month
13.66"
(346.96mm)
15.88"
(403.35mm)
-2.22"
(-56.39mm)
21st Driest
Driest since:
1941
107th Wettest
Wettest since:
2011
Ties: 1935
Nov 1965–Apr 1966
6-Month
16.09"
(408.69mm)
19.09"
(484.89mm)
-3.00"
(-76.20mm)
20th Driest
Driest since:
1931
108th Wettest
Wettest since:
1952
Oct 1965–Apr 1966
7-Month
19.60"
(497.84mm)
22.26"
(565.40mm)
-2.66"
(-67.56mm)
29th Driest
Driest since:
1925
99th Wettest
Wettest since:
2011
Sep 1965–Apr 1966
8-Month
23.10"
(586.74mm)
25.83"
(656.08mm)
-2.73"
(-69.34mm)
27th Driest
Driest since:
1931
101st Wettest
Wettest since:
2019
Aug 1965–Apr 1966
9-Month
27.30"
(693.42mm)
29.69"
(754.13mm)
-2.39"
(-60.71mm)
36th Driest
Driest since:
1931
92nd Wettest
Wettest since:
2019
Jul 1965–Apr 1966
10-Month
29.81"
(757.17mm)
33.89"
(860.81mm)
-4.08"
(-103.64mm)
19th Driest
Driest since:
1931
109th Wettest
Wettest since:
2019
Jun 1965–Apr 1966
11-Month
31.93"
(811.02mm)
38.05"
(966.47mm)
-6.12"
(-155.45mm)
10th Driest
Driest since:
1931
118th Wettest
Wettest since:
2019
May 1965–Apr 1966
12-Month
34.29"
(870.97mm)
41.95"
(1,065.53mm)
-7.66"
(-194.56mm)
6th Driest
Driest since:
1931
122nd Wettest
Wettest since:
2019
Nov 1964–Apr 1966
18-Month
52.38"
(1,330.45mm)
61.03"
(1,550.16mm)
-8.65"
(-219.71mm)
7th Driest
Driest since:
1931
120th Wettest
Wettest since:
2019
May 1964–Apr 1966
24-Month
67.27"
(1,708.66mm)
83.91"
(2,131.31mm)
-16.64"
(-422.65mm)
1st Driest
Driest since:
1966
126th Wettest
Wettest since:
2020
May 1963–Apr 1966
36-Month
105.30"
(2,674.62mm)
125.93"
(3,198.62mm)
-20.63"
(-524.00mm)
3rd Driest
Driest since:
1967
123rd Wettest
Wettest since:
2020
May 1962–Apr 1966
48-Month
139.27"
(3,537.46mm)
167.93"
(4,265.42mm)
-28.66"
(-727.96mm)
1st Driest
Driest since:
1966
124th Wettest
Wettest since:
2020
May 1961–Apr 1966
60-Month
178.19"
(4,526.03mm)
209.83"
(5,329.68mm)
-31.64"
(-803.65mm)
2nd Driest
Driest since:
1967
122nd Wettest
Wettest since:
2022

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