Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of November 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, April 1999

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1999
1-Month
3.96"
(100.58mm)
3.64"
(92.46mm)
0.32"
(8.12mm)
82nd Driest Driest since: 1997 1946
44th Wettest Wettest since: 1998 2011
Mar–Apr 1999
2-Month
7.42"
(188.47mm)
7.14"
(181.36mm)
0.28"
(7.11mm)
75th Driest Driest since: 1997 1915
51st Wettest Wettest since: 1998 2011
Ties: 1898
Feb–Apr 1999
3-Month
9.32"
(236.73mm)
9.73"
(247.14mm)
-0.41"
(-10.41mm)
53rd Driest Driest since: 1997 1941
73rd Wettest Wettest since: 1998 2011
Jan–Apr 1999
4-Month
15.16"
(385.06mm)
12.78"
(324.61mm)
2.38"
(60.45mm)
103rd Driest Driest since: 1997 1941
23rd Wettest Wettest since: 1998 2011
Dec 1998–Apr 1999
5-Month
16.62"
(422.15mm)
15.88"
(403.35mm)
0.74"
(18.80mm)
78th Driest Driest since: 1997 1941
47th Wettest Wettest since: 1998 2011
Nov 1998–Apr 1999
6-Month
17.81"
(452.37mm)
19.09"
(484.89mm)
-1.28"
(-32.52mm)
47th Driest Driest since: 1995 1931
78th Wettest Wettest since: 1998 1952
Oct 1998–Apr 1999
7-Month
20.89"
(530.61mm)
22.27"
(565.66mm)
-1.38"
(-35.05mm)
42nd Driest Driest since: 1995 1925
83rd Wettest Wettest since: 1998 2011
Sep 1998–Apr 1999
8-Month
23.02"
(584.71mm)
25.83"
(656.08mm)
-2.81"
(-71.37mm)
26th Driest Driest since: 1995 1931
99th Wettest Wettest since: 1998 2019
Aug 1998–Apr 1999
9-Month
25.95"
(659.13mm)
29.69"
(754.13mm)
-3.74"
(-95.00mm)
22nd Driest Driest since: 1992 1931
103rd Wettest Wettest since: 1998 2019
Jul 1998–Apr 1999
10-Month
28.82"
(732.03mm)
33.89"
(860.81mm)
-5.07"
(-128.78mm)
15th Driest Driest since: 1992 1931
110th Wettest Wettest since: 1998 2019
Jun 1998–Apr 1999
11-Month
33.97"
(862.84mm)
38.05"
(966.47mm)
-4.08"
(-103.63mm)
23rd Driest Driest since: 1992 1931
102nd Wettest Wettest since: 1998 2019
May 1998–Apr 1999
12-Month
38.33"
(973.58mm)
41.95"
(1,065.53mm)
-3.62"
(-91.95mm)
21st Driest Driest since: 1992 1931
104th Wettest Wettest since: 1998 2019
Nov 1997–Apr 1999
18-Month
63.74"
(1,619.00mm)
61.03"
(1,550.16mm)
2.71"
(68.84mm)
79th Driest Driest since: 1996 1931
45th Wettest Wettest since: 1998 2019
May 1997–Apr 1999
24-Month
84.00"
(2,133.60mm)
83.91"
(2,131.31mm)
0.09"
(2.29mm)
54th Driest Driest since: 1993 1966
70th Wettest Wettest since: 1998 2019
May 1996–Apr 1999
36-Month
134.39"
(3,413.51mm)
125.93"
(3,198.62mm)
8.46"
(214.89mm)
94th Driest Driest since: 1996 1967
29th Wettest Wettest since: 1998 2005
May 1995–Apr 1999
48-Month
178.63"
(4,537.20mm)
167.93"
(4,265.42mm)
10.70"
(271.78mm)
97th Driest Driest since: 1995 1966
25th Wettest Wettest since: 1998 2007
Ties: 1953
May 1994–Apr 1999
60-Month
219.49"
(5,575.05mm)
209.83"
(5,329.68mm)
9.66"
(245.37mm)
93rd Driest Driest since: 1996 1967
28th Wettest Wettest since: 1998 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 11, 2019 from https://www.ncdc.noaa.gov/cag/