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 1911

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 1911
1-Month
3.62"
(91.95mm)
3.64"
(92.46mm)
-0.02"
(-0.51mm)
67th Driest
Driest since:
1946
62nd Wettest
Wettest since:
2011
Mar–Apr 1911
2-Month
6.35"
(161.29mm)
7.13"
(181.10mm)
-0.78"
(-19.81mm)
48th Driest
Driest since:
1915
81st Wettest
Wettest since:
2011
Feb–Apr 1911
3-Month
8.73"
(221.74mm)
9.73"
(247.14mm)
-1.00"
(-25.40mm)
46th Driest
Driest since:
1941
83rd Wettest
Wettest since:
2011
Jan–Apr 1911
4-Month
12.33"
(313.18mm)
12.78"
(324.61mm)
-0.45"
(-11.43mm)
61st Driest
Driest since:
1941
68th Wettest
Wettest since:
2011
Dec 1910–Apr 1911
5-Month
14.97"
(380.24mm)
15.88"
(403.35mm)
-0.91"
(-23.11mm)
51st Driest
Driest since:
1941
77th Wettest
Wettest since:
2011
Nov 1910–Apr 1911
6-Month
17.55"
(445.77mm)
19.09"
(484.89mm)
-1.54"
(-39.12mm)
40th Driest
Driest since:
1931
88th Wettest
Wettest since:
1952
Oct 1910–Apr 1911
7-Month
19.53"
(496.06mm)
22.27"
(565.66mm)
-2.74"
(-69.60mm)
28th Driest
Driest since:
1925
100th Wettest
Wettest since:
2011
Sep 1910–Apr 1911
8-Month
24.22"
(615.19mm)
25.83"
(656.08mm)
-1.61"
(-40.89mm)
41st Driest
Driest since:
1931
87th Wettest
Wettest since:
2019
Aug 1910–Apr 1911
9-Month
26.70"
(678.18mm)
29.69"
(754.13mm)
-2.99"
(-75.95mm)
32nd Driest
Driest since:
1931
96th Wettest
Wettest since:
2019
Jul 1910–Apr 1911
10-Month
29.19"
(741.43mm)
33.89"
(860.81mm)
-4.70"
(-119.38mm)
16th Driest
Driest since:
1931
112th Wettest
Wettest since:
2019
Jun 1910–Apr 1911
11-Month
33.27"
(845.06mm)
38.05"
(966.47mm)
-4.78"
(-121.41mm)
15th Driest
Driest since:
1931
113th Wettest
Wettest since:
2019
May 1910–Apr 1911
12-Month
36.45"
(925.83mm)
41.95"
(1,065.53mm)
-5.50"
(-139.70mm)
11th Driest
Driest since:
1931
117th Wettest
Wettest since:
2019
Nov 1909–Apr 1911
18-Month
56.14"
(1,425.96mm)
61.03"
(1,550.16mm)
-4.89"
(-124.20mm)
18th Driest
Driest since:
1931
109th Wettest
Wettest since:
2019
Ties: 1965
May 1909–Apr 1911
24-Month
72.68"
(1,846.07mm)
83.91"
(2,131.31mm)
-11.23"
(-285.24mm)
7th Driest
Driest since:
1966
120th Wettest
Wettest since:
2020
May 1908–Apr 1911
36-Month
113.02"
(2,870.71mm)
125.93"
(3,198.62mm)
-12.91"
(-327.91mm)
11th Driest
Driest since:
1967
115th Wettest
Wettest since:
2020
May 1907–Apr 1911
48-Month
160.56"
(4,078.22mm)
167.93"
(4,265.42mm)
-7.37"
(-187.20mm)
22nd Driest
Driest since:
1966
103rd Wettest
Wettest since:
2020
May 1906–Apr 1911
60-Month
203.99"
(5,181.35mm)
209.83"
(5,329.68mm)
-5.84"
(-148.33mm)
27th Driest
Driest since:
1967
97th Wettest
Wettest since:
2022

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