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 August 2021. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 1990

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1990
1-Month
6.08"
(154.43mm)
3.93"
(99.82mm)
2.15"
(54.61mm)
117th Driest Driest since: 1988 1964
11th Wettest Wettest since: 1989 1989
Apr–May 1990
2-Month
9.19"
(233.43mm)
7.57"
(192.28mm)
1.62"
(41.15mm)
103rd Driest Driest since: 1988 1926
25th Wettest Wettest since: 1989 2011
Mar–May 1990
3-Month
10.88"
(276.35mm)
11.06"
(280.92mm)
-0.18"
(-4.57mm)
64th Driest Driest since: 1988 1926
64th Wettest Wettest since: 1989 2011
Feb–May 1990
4-Month
13.76"
(349.50mm)
13.66"
(346.96mm)
0.10"
(2.54mm)
65th Driest Driest since: 1988 1941
63rd Wettest Wettest since: 1989 2011
Ties: 1980
Jan–May 1990
5-Month
17.39"
(441.71mm)
16.71"
(424.43mm)
0.68"
(17.28mm)
79th Driest Driest since: 1988 1941
49th Wettest Wettest since: 1989 2011
Dec 1989–May 1990
6-Month
18.68"
(474.47mm)
19.81"
(503.17mm)
-1.13"
(-28.70mm)
46th Driest Driest since: 1988 1941
81st Wettest Wettest since: 1989 2011
Nov 1989–May 1990
7-Month
21.51"
(546.35mm)
23.02"
(584.71mm)
-1.51"
(-38.36mm)
46th Driest Driest since: 1988 1934
81st Wettest Wettest since: 1989 1952
Oct 1989–May 1990
8-Month
25.40"
(645.16mm)
26.19"
(665.23mm)
-0.79"
(-20.07mm)
50th Driest Driest since: 1988 1925
77th Wettest Wettest since: 1989 2011
Sep 1989–May 1990
9-Month
29.59"
(751.59mm)
29.75"
(755.65mm)
-0.16"
(-4.06mm)
65th Driest Driest since: 1989 1941
62nd Wettest Wettest since: 1986 2019
Aug 1989–May 1990
10-Month
31.79"
(807.47mm)
33.62"
(853.95mm)
-1.83"
(-46.48mm)
41st Driest Driest since: 1985 1931
86th Wettest Wettest since: 1989 2019
Jul 1989–May 1990
11-Month
36.45"
(925.83mm)
37.82"
(960.63mm)
-1.37"
(-34.80mm)
47th Driest Driest since: 1985 1931
80th Wettest Wettest since: 1989 2019
Ties: 1995
Jun 1989–May 1990
12-Month
43.51"
(1,105.15mm)
41.97"
(1,066.04mm)
1.54"
(39.11mm)
74th Driest Driest since: 1989 1931
53rd Wettest Wettest since: 1984 2019
Ties: 1898
Dec 1988–May 1990
18-Month
63.19"
(1,605.03mm)
61.76"
(1,568.70mm)
1.43"
(36.33mm)
73rd Driest Driest since: 1989 1931
53rd Wettest Wettest since: 1985 2019
Jun 1988–May 1990
24-Month
83.13"
(2,111.50mm)
83.91"
(2,131.31mm)
-0.78"
(-19.81mm)
50th Driest Driest since: 1989 1931
76th Wettest Wettest since: 1988 2019
Jun 1987–May 1990
36-Month
124.51"
(3,162.55mm)
125.93"
(3,198.62mm)
-1.42"
(-36.07mm)
45th Driest Driest since: 1989 1965
80th Wettest Wettest since: 1988 2020
Jun 1986–May 1990
48-Month
166.73"
(4,234.94mm)
167.92"
(4,265.17mm)
-1.19"
(-30.23mm)
46th Driest Driest since: 1989 1966
78th Wettest Wettest since: 1987 2020
Jun 1985–May 1990
60-Month
209.43"
(5,319.52mm)
209.84"
(5,329.94mm)
-0.41"
(-10.42mm)
48th Driest Driest since: 1989 1967
75th Wettest Wettest since: 1988 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 20, 2021 from https://www.ncdc.noaa.gov/cag/