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 1971

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
May 1971
1-Month
4.00"
(101.60mm)
3.93"
(99.82mm)
0.07"
(1.78mm)
69th Driest Driest since: 1970 1964
57th Wettest Wettest since: 1968 1989
Apr–May 1971
2-Month
5.30"
(134.62mm)
7.57"
(192.28mm)
-2.27"
(-57.66mm)
12th Driest Driest since: 1965 1926
114th Wettest Wettest since: 1970 2011
Mar–May 1971
3-Month
7.91"
(200.91mm)
11.06"
(280.92mm)
-3.15"
(-80.01mm)
5th Driest Driest since: 1941 1926
121st Wettest Wettest since: 1970 2011
Feb–May 1971
4-Month
12.54"
(318.52mm)
13.66"
(346.96mm)
-1.12"
(-28.44mm)
46th Driest Driest since: 1969 1941
80th Wettest Wettest since: 1970 2011
Jan–May 1971
5-Month
15.20"
(386.08mm)
16.71"
(424.43mm)
-1.51"
(-38.35mm)
41st Driest Driest since: 1970 1941
85th Wettest Wettest since: 1967 2011
Dec 1970–May 1971
6-Month
18.55"
(471.17mm)
19.81"
(503.17mm)
-1.26"
(-32.00mm)
42nd Driest Driest since: 1969 1941
83rd Wettest Wettest since: 1970 2011
Nov 1970–May 1971
7-Month
23.29"
(591.57mm)
23.02"
(584.71mm)
0.27"
(6.86mm)
70th Driest Driest since: 1970 1934
55th Wettest Wettest since: 1964 1952
Oct 1970–May 1971
8-Month
27.80"
(706.12mm)
26.19"
(665.23mm)
1.61"
(40.89mm)
81st Driest Driest since: 1970 1925
44th Wettest Wettest since: 1960 2011
Sep 1970–May 1971
9-Month
30.93"
(785.62mm)
29.75"
(755.65mm)
1.18"
(29.97mm)
77th Driest Driest since: 1970 1941
48th Wettest Wettest since: 1960 2019
Aug 1970–May 1971
10-Month
34.82"
(884.43mm)
33.62"
(853.95mm)
1.20"
(30.48mm)
76th Driest Driest since: 1970 1931
49th Wettest Wettest since: 1960 2019
Jul 1970–May 1971
11-Month
40.15"
(1,019.81mm)
37.82"
(960.63mm)
2.33"
(59.18mm)
83rd Driest Driest since: 1970 1931
42nd Wettest Wettest since: 1960 2019
Jun 1970–May 1971
12-Month
44.45"
(1,129.03mm)
41.97"
(1,066.04mm)
2.48"
(62.99mm)
83rd Driest Driest since: 1970 1931
42nd Wettest Wettest since: 1960 2019
Dec 1969–May 1971
18-Month
64.19"
(1,630.43mm)
61.76"
(1,568.70mm)
2.43"
(61.73mm)
82nd Driest Driest since: 1970 1931
42nd Wettest Wettest since: 1953 2019
Jun 1969–May 1971
24-Month
86.17"
(2,188.72mm)
83.91"
(2,131.31mm)
2.26"
(57.41mm)
72nd Driest Driest since: 1970 1931
52nd Wettest Wettest since: 1960 2019
Jun 1968–May 1971
36-Month
120.36"
(3,057.14mm)
125.93"
(3,198.62mm)
-5.57"
(-141.48mm)
28th Driest Driest since: 1970 1965
95th Wettest Wettest since: 1962 2019
Jun 1967–May 1971
48-Month
160.92"
(4,087.37mm)
167.92"
(4,265.17mm)
-7.00"
(-177.80mm)
22nd Driest Driest since: 1970 1966
100th Wettest Wettest since: 1962 2019
Jun 1966–May 1971
60-Month
197.40"
(5,013.96mm)
209.84"
(5,329.94mm)
-12.44"
(-315.98mm)
13th Driest Driest since: 1970 1967
108th Wettest Wettest since: 1963 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/