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 1915

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 1915
1-Month
1.82"
(46.23mm)
3.64"
(92.46mm)
-1.82"
(-46.23mm)
9th Driest
Driest since:
1946
120th Wettest
Wettest since:
2011
Mar–Apr 1915
2-Month
3.09"
(78.49mm)
7.13"
(181.10mm)
-4.04"
(-102.61mm)
1st Driest
Driest since:
1915
128th Wettest
Wettest since:
2011
Feb–Apr 1915
3-Month
6.79"
(172.47mm)
9.73"
(247.14mm)
-2.94"
(-74.67mm)
10th Driest
Driest since:
1941
119th Wettest
Wettest since:
2011
Ties: 1946
Jan–Apr 1915
4-Month
12.24"
(310.90mm)
12.78"
(324.61mm)
-0.54"
(-13.71mm)
58th Driest
Driest since:
1941
71st Wettest
Wettest since:
2011
Dec 1914–Apr 1915
5-Month
16.74"
(425.20mm)
15.88"
(403.35mm)
0.86"
(21.85mm)
82nd Driest
Driest since:
1941
46th Wettest
Wettest since:
2011
Nov 1914–Apr 1915
6-Month
18.53"
(470.66mm)
19.09"
(484.89mm)
-0.56"
(-14.23mm)
58th Driest
Driest since:
1931
70th Wettest
Wettest since:
1952
Oct 1914–Apr 1915
7-Month
20.86"
(529.84mm)
22.26"
(565.40mm)
-1.40"
(-35.56mm)
40th Driest
Driest since:
1925
88th Wettest
Wettest since:
2011
Ties: 2016
Sep 1914–Apr 1915
8-Month
21.89"
(556.01mm)
25.83"
(656.08mm)
-3.94"
(-100.07mm)
16th Driest
Driest since:
1931
112th Wettest
Wettest since:
2019
Aug 1914–Apr 1915
9-Month
25.90"
(657.86mm)
29.69"
(754.13mm)
-3.79"
(-96.27mm)
20th Driest
Driest since:
1931
108th Wettest
Wettest since:
2019
Ties: 1947
Jul 1914–Apr 1915
10-Month
29.70"
(754.38mm)
33.89"
(860.81mm)
-4.19"
(-106.43mm)
17th Driest
Driest since:
1931
111th Wettest
Wettest since:
2019
Jun 1914–Apr 1915
11-Month
33.58"
(852.93mm)
38.05"
(966.47mm)
-4.47"
(-113.54mm)
17th Driest
Driest since:
1931
111th Wettest
Wettest since:
2019
May 1914–Apr 1915
12-Month
37.27"
(946.66mm)
41.95"
(1,065.53mm)
-4.68"
(-118.87mm)
15th Driest
Driest since:
1931
113th Wettest
Wettest since:
2019
Nov 1913–Apr 1915
18-Month
56.73"
(1,440.94mm)
61.03"
(1,550.16mm)
-4.30"
(-109.22mm)
24th Driest
Driest since:
1931
103rd Wettest
Wettest since:
2019
May 1913–Apr 1915
24-Month
78.22"
(1,986.79mm)
83.91"
(2,131.31mm)
-5.69"
(-144.52mm)
24th Driest
Driest since:
1966
103rd Wettest
Wettest since:
2020
May 1912–Apr 1915
36-Month
124.91"
(3,172.71mm)
125.93"
(3,198.62mm)
-1.02"
(-25.91mm)
44th Driest
Driest since:
1967
82nd Wettest
Wettest since:
2020
May 1911–Apr 1915
48-Month
171.42"
(4,354.07mm)
167.93"
(4,265.42mm)
3.49"
(88.65mm)
68th Driest
Driest since:
1966
57th Wettest
Wettest since:
2020
May 1910–Apr 1915
60-Month
207.87"
(5,279.90mm)
209.83"
(5,329.68mm)
-1.96"
(-49.78mm)
42nd Driest
Driest since:
1967
82nd Wettest
Wettest since:
2022

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