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 October 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1974
1-Month
4.26"
(108.20mm)
3.93"
(99.82mm)
0.33"
(8.38mm)
76th Driest Driest since: 1971 1964
50th Wettest Wettest since: 1973 1989
Apr–May 1974
2-Month
7.27"
(184.66mm)
7.57"
(192.28mm)
-0.30"
(-7.62mm)
60th Driest Driest since: 1971 1926
66th Wettest Wettest since: 1973 2011
Mar–May 1974
3-Month
12.08"
(306.83mm)
11.06"
(280.92mm)
1.02"
(25.91mm)
84th Driest Driest since: 1971 1926
42nd Wettest Wettest since: 1973 2011
Feb–May 1974
4-Month
13.80"
(350.52mm)
13.66"
(346.96mm)
0.14"
(3.56mm)
65th Driest Driest since: 1971 1941
61st Wettest Wettest since: 1973 2011
Jan–May 1974
5-Month
17.31"
(439.67mm)
16.71"
(424.43mm)
0.60"
(15.24mm)
76th Driest Driest since: 1971 1941
50th Wettest Wettest since: 1973 2011
Dec 1973–May 1974
6-Month
22.52"
(572.01mm)
19.81"
(503.17mm)
2.71"
(68.84mm)
102nd Driest Driest since: 1972 1941
23rd Wettest Wettest since: 1973 2011
Nov 1973–May 1974
7-Month
24.95"
(633.73mm)
23.02"
(584.71mm)
1.93"
(49.02mm)
88th Driest Driest since: 1971 1934
37th Wettest Wettest since: 1973 1952
Oct 1973–May 1974
8-Month
28.36"
(720.34mm)
26.19"
(665.23mm)
2.17"
(55.11mm)
91st Driest Driest since: 1972 1925
34th Wettest Wettest since: 1973 2011
Ties: 2014
Sep 1973–May 1974
9-Month
32.92"
(836.17mm)
29.75"
(755.65mm)
3.17"
(80.52mm)
93rd Driest Driest since: 1972 1941
32nd Wettest Wettest since: 1973 2019
Aug 1973–May 1974
10-Month
36.59"
(929.39mm)
33.62"
(853.95mm)
2.97"
(75.44mm)
90th Driest Driest since: 1971 1931
35th Wettest Wettest since: 1973 2019
Jul 1973–May 1974
11-Month
39.77"
(1,010.16mm)
37.82"
(960.63mm)
1.95"
(49.53mm)
80th Driest Driest since: 1970 1931
45th Wettest Wettest since: 1973 2019
Jun 1973–May 1974
12-Month
44.73"
(1,136.14mm)
41.97"
(1,066.04mm)
2.76"
(70.10mm)
87th Driest Driest since: 1972 1931
38th Wettest Wettest since: 1973 2019
Dec 1972–May 1974
18-Month
67.83"
(1,722.88mm)
61.76"
(1,568.70mm)
6.07"
(154.18mm)
103rd Driest Driest since: 1972 1931
21st Wettest Wettest since: 1973 2019
Jun 1972–May 1974
24-Month
96.90"
(2,461.26mm)
83.91"
(2,131.31mm)
12.99"
(329.95mm)
118th Driest Driest since: 1973 1931
6th Wettest Wettest to Date 2019
Jun 1971–May 1974
36-Month
141.19"
(3,586.23mm)
125.93"
(3,198.62mm)
15.26"
(387.61mm)
115th Driest Driest since: 1973 1965
8th Wettest Wettest since: 1953 2019
Jun 1970–May 1974
48-Month
185.64"
(4,715.26mm)
167.92"
(4,265.17mm)
17.72"
(450.09mm)
112th Driest Driest since: 1973 1966
10th Wettest Wettest to Date 2019
Jun 1969–May 1974
60-Month
227.36"
(5,774.94mm)
209.84"
(5,329.94mm)
17.52"
(445.00mm)
103rd Driest Driest since: 1973 1967
18th Wettest Wettest to Date 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/