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 1979

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1979
1-Month
4.74"
(120.40mm)
3.93"
(99.82mm)
0.81"
(20.58mm)
87th Driest Driest since: 1977 1964
39th Wettest Wettest since: 1978 1989
Ties: 1967
Apr–May 1979
2-Month
8.37"
(212.60mm)
7.57"
(192.28mm)
0.80"
(20.32mm)
86th Driest Driest since: 1978 1926
40th Wettest Wettest since: 1973 2011
Mar–May 1979
3-Month
11.02"
(279.91mm)
11.06"
(280.92mm)
-0.04"
(-1.01mm)
69th Driest Driest since: 1978 1926
57th Wettest Wettest since: 1977 2011
Ties: 1937
Feb–May 1979
4-Month
14.31"
(363.47mm)
13.66"
(346.96mm)
0.65"
(16.51mm)
78th Driest Driest since: 1978 1941
48th Wettest Wettest since: 1975 2011
Ties: 1898, 1975
Jan–May 1979
5-Month
20.78"
(527.81mm)
16.71"
(424.43mm)
4.07"
(103.38mm)
117th Driest Driest since: 1978 1941
9th Wettest Wettest since: 1953 2011
Dec 1978–May 1979
6-Month
24.97"
(634.24mm)
19.81"
(503.17mm)
5.16"
(131.07mm)
118th Driest Driest since: 1978 1941
7th Wettest Wettest since: 1953 2011
Ties: 1924
Nov 1978–May 1979
7-Month
26.91"
(683.51mm)
23.02"
(584.71mm)
3.89"
(98.80mm)
108th Driest Driest since: 1977 1934
17th Wettest Wettest since: 1978 1952
Oct 1978–May 1979
8-Month
30.14"
(765.56mm)
26.19"
(665.23mm)
3.95"
(100.33mm)
104th Driest Driest since: 1977 1925
21st Wettest Wettest since: 1978 2011
Sep 1978–May 1979
9-Month
33.05"
(839.47mm)
29.75"
(755.65mm)
3.30"
(83.82mm)
98th Driest Driest since: 1977 1941
27th Wettest Wettest since: 1978 2019
Ties: 1903
Aug 1978–May 1979
10-Month
37.75"
(958.85mm)
33.62"
(853.95mm)
4.13"
(104.90mm)
101st Driest Driest since: 1977 1931
24th Wettest Wettest since: 1978 2019
Ties: 1899
Jul 1978–May 1979
11-Month
41.79"
(1,061.47mm)
37.82"
(960.63mm)
3.97"
(100.84mm)
97th Driest Driest since: 1977 1931
28th Wettest Wettest since: 1978 2019
Jun 1978–May 1979
12-Month
45.71"
(1,161.03mm)
41.97"
(1,066.04mm)
3.74"
(94.99mm)
94th Driest Driest since: 1977 1931
31st Wettest Wettest since: 1978 2019
Dec 1977–May 1979
18-Month
68.47"
(1,739.14mm)
61.76"
(1,568.70mm)
6.71"
(170.44mm)
104th Driest Driest since: 1978 1931
20th Wettest Wettest since: 1976 2019
Jun 1977–May 1979
24-Month
96.30"
(2,446.02mm)
83.91"
(2,131.31mm)
12.39"
(314.71mm)
116th Driest Driest since: 1978 1931
8th Wettest Wettest since: 1974 2019
Jun 1976–May 1979
36-Month
137.11"
(3,482.59mm)
125.93"
(3,198.62mm)
11.18"
(283.97mm)
103rd Driest Driest since: 1977 1965
20th Wettest Wettest since: 1978 2019
Jun 1975–May 1979
48-Month
184.40"
(4,683.76mm)
167.92"
(4,265.17mm)
16.48"
(418.59mm)
110th Driest Driest since: 1978 1966
12th Wettest Wettest since: 1976 2019
Jun 1974–May 1979
60-Month
228.63"
(5,807.20mm)
209.84"
(5,329.94mm)
18.79"
(477.26mm)
105th Driest Driest since: 1978 1967
16th Wettest Wettest since: 1977 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/