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 1966

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1966
1-Month
3.33"
(84.58mm)
3.93"
(99.82mm)
-0.60"
(-15.24mm)
46th Driest Driest since: 1965 1964
80th Wettest Wettest since: 1960 1989
Ties: 1981, 1992
Apr–May 1966
2-Month
6.69"
(169.93mm)
7.57"
(192.28mm)
-0.88"
(-22.35mm)
50th Driest Driest since: 1965 1926
76th Wettest Wettest since: 1964 2011
Mar–May 1966
3-Month
9.11"
(231.39mm)
11.06"
(280.92mm)
-1.95"
(-49.53mm)
26th Driest Driest since: 1965 1926
100th Wettest Wettest since: 1964 2011
Feb–May 1966
4-Month
12.28"
(311.91mm)
13.66"
(346.96mm)
-1.38"
(-35.05mm)
39th Driest Driest since: 1965 1941
87th Wettest Wettest since: 1964 2011
Jan–May 1966
5-Month
15.73"
(399.54mm)
16.71"
(424.43mm)
-0.98"
(-24.89mm)
51st Driest Driest since: 1965 1941
75th Wettest Wettest since: 1964 2011
Ties: 1982
Dec 1965–May 1966
6-Month
16.99"
(431.55mm)
19.81"
(503.17mm)
-2.82"
(-71.62mm)
20th Driest Driest since: 1963 1941
105th Wettest Wettest since: 1965 2011
Nov 1965–May 1966
7-Month
19.42"
(493.27mm)
23.02"
(584.71mm)
-3.60"
(-91.44mm)
13th Driest Driest since: 1963 1934
112th Wettest Wettest since: 1965 1952
Oct 1965–May 1966
8-Month
22.93"
(582.42mm)
26.19"
(665.23mm)
-3.26"
(-82.81mm)
23rd Driest Driest since: 1965 1925
102nd Wettest Wettest since: 1964 2011
Sep 1965–May 1966
9-Month
26.43"
(671.32mm)
29.75"
(755.65mm)
-3.32"
(-84.33mm)
25th Driest Driest since: 1965 1941
100th Wettest Wettest since: 1964 2019
Aug 1965–May 1966
10-Month
30.63"
(778.00mm)
33.62"
(853.95mm)
-2.99"
(-75.95mm)
30th Driest Driest since: 1965 1931
95th Wettest Wettest since: 1961 2019
Jul 1965–May 1966
11-Month
33.14"
(841.76mm)
37.82"
(960.63mm)
-4.68"
(-118.87mm)
17th Driest Driest since: 1965 1931
108th Wettest Wettest since: 1964 2019
Jun 1965–May 1966
12-Month
35.26"
(895.60mm)
41.97"
(1,066.04mm)
-6.71"
(-170.44mm)
10th Driest Driest since: 1965 1931
115th Wettest Wettest since: 1964 2019
Dec 1964–May 1966
18-Month
53.34"
(1,354.84mm)
61.76"
(1,568.70mm)
-8.42"
(-213.86mm)
8th Driest Driest since: 1965 1931
116th Wettest Wettest since: 1962 2019
Jun 1964–May 1966
24-Month
69.05"
(1,753.87mm)
83.91"
(2,131.31mm)
-14.86"
(-377.44mm)
2nd Driest Driest since: 1931 1931
122nd Wettest Wettest since: 1965 2019
Jun 1963–May 1966
36-Month
105.63"
(2,683.00mm)
125.93"
(3,198.62mm)
-20.30"
(-515.62mm)
3rd Driest Driest since: 1965 1965
120th Wettest Wettest since: 1964 2019
Jun 1962–May 1966
48-Month
140.41"
(3,566.41mm)
167.92"
(4,265.17mm)
-27.51"
(-698.76mm)
1st Driest Driest to Date 1966
121st Wettest Wettest since: 1965 2019
Jun 1961–May 1966
60-Month
178.40"
(4,531.36mm)
209.84"
(5,329.94mm)
-31.44"
(-798.58mm)
2nd Driest Driest to Date 1967
119th Wettest Wettest since: 1965 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/