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 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, July 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1978
1-Month
4.04"
(102.62mm)
4.19"
(106.43mm)
-0.15"
(-3.81mm)
51st Driest Driest since: 1975 1909
75th Wettest Wettest since: 1977 2018
Jun–Jul 1978
2-Month
7.96"
(202.18mm)
8.36"
(212.34mm)
-0.40"
(-10.16mm)
52nd Driest Driest since: 1971 1966
74th Wettest Wettest since: 1977 1972
May–Jul 1978
3-Month
13.71"
(348.23mm)
12.28"
(311.91mm)
1.43"
(36.32mm)
90th Driest Driest since: 1977 1966
36th Wettest Wettest since: 1975 1989
Apr–Jul 1978
4-Month
15.97"
(405.64mm)
15.93"
(404.62mm)
0.04"
(1.02mm)
62nd Driest Driest since: 1977 1965
64th Wettest Wettest since: 1975 1972
Mar–Jul 1978
5-Month
18.60"
(472.44mm)
19.42"
(493.27mm)
-0.82"
(-20.83mm)
48th Driest Driest since: 1976 1966
78th Wettest Wettest since: 1977 1972
Feb–Jul 1978
6-Month
19.62"
(498.35mm)
22.02"
(559.31mm)
-2.40"
(-60.96mm)
29th Driest Driest since: 1971 1965
97th Wettest Wettest since: 1977 2018
Ties: 1971, 2007
Jan–Jul 1978
7-Month
26.13"
(663.70mm)
25.07"
(636.78mm)
1.06"
(26.92mm)
80th Driest Driest since: 1977 1991
46th Wettest Wettest since: 1975 2018
Dec 1977–Jul 1978
8-Month
30.72"
(780.29mm)
28.17"
(715.52mm)
2.55"
(64.77mm)
93rd Driest Driest since: 1977 1966
32nd Wettest Wettest since: 1975 2019
Nov 1977–Jul 1978
9-Month
35.17"
(893.32mm)
31.37"
(796.80mm)
3.80"
(96.52mm)
99th Driest Driest since: 1977 1966
26th Wettest Wettest since: 1973 2019
Oct 1977–Jul 1978
10-Month
39.29"
(997.97mm)
34.55"
(877.57mm)
4.74"
(120.40mm)
103rd Driest Driest since: 1977 1934
22nd Wettest Wettest since: 1973 2019
Sep 1977–Jul 1978
11-Month
44.57"
(1,132.08mm)
38.11"
(967.99mm)
6.46"
(164.09mm)
110th Driest Driest since: 1977 1965
15th Wettest Wettest since: 1972 2019
Aug 1977–Jul 1978
12-Month
48.89"
(1,241.81mm)
41.98"
(1,066.29mm)
6.91"
(175.52mm)
109th Driest Driest since: 1977 1965
16th Wettest Wettest since: 1972 2019
Feb 1977–Jul 1978
18-Month
71.32"
(1,811.53mm)
63.96"
(1,624.58mm)
7.36"
(186.95mm)
109th Driest Driest since: 1977 1966
16th Wettest Wettest since: 1973 2019
Aug 1976–Jul 1978
24-Month
90.23"
(2,291.84mm)
83.89"
(2,130.81mm)
6.34"
(161.03mm)
93rd Driest Driest since: 1977 1966
31st Wettest Wettest since: 1976 2019
Aug 1975–Jul 1978
36-Month
136.88"
(3,476.75mm)
125.92"
(3,198.37mm)
10.96"
(278.38mm)
103rd Driest Driest since: 1977 1966
20th Wettest Wettest since: 1976 2019
Aug 1974–Jul 1978
48-Month
182.20"
(4,627.88mm)
167.89"
(4,264.41mm)
14.31"
(363.47mm)
107th Driest Driest since: 1977 1966
15th Wettest Wettest since: 1976 2019
Aug 1973–Jul 1978
60-Month
227.47"
(5,777.74mm)
209.81"
(5,329.17mm)
17.66"
(448.57mm)
108th Driest Driest since: 1977 1966
13th Wettest Wettest since: 1976 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/