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


Pennsylvania

Precipitation Rankings, July 1991

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1991
1-Month
3.47"
(88.14mm)
4.19"
(106.43mm)
-0.72"
(-18.29mm)
34th Driest Driest since: 1983 1909
92nd Wettest Wettest since: 1990 2018
Jun–Jul 1991
2-Month
5.06"
(128.52mm)
8.36"
(212.34mm)
-3.30"
(-83.82mm)
4th Driest Driest since: 1966 1966
122nd Wettest Wettest since: 1990 1972
May–Jul 1991
3-Month
7.29"
(185.17mm)
12.28"
(311.91mm)
-4.99"
(-126.74mm)
3rd Driest Driest since: 1966 1966
123rd Wettest Wettest since: 1990 1989
Apr–Jul 1991
4-Month
10.44"
(265.18mm)
15.93"
(404.62mm)
-5.49"
(-139.44mm)
3rd Driest Driest since: 1966 1965
123rd Wettest Wettest since: 1990 1972
Mar–Jul 1991
5-Month
14.32"
(363.73mm)
19.42"
(493.27mm)
-5.10"
(-129.54mm)
4th Driest Driest since: 1966 1966
122nd Wettest Wettest since: 1990 1972
Feb–Jul 1991
6-Month
16.04"
(407.42mm)
22.02"
(559.31mm)
-5.98"
(-151.89mm)
3rd Driest Driest since: 1966 1965
123rd Wettest Wettest since: 1990 2018
Jan–Jul 1991
7-Month
18.79"
(477.27mm)
25.07"
(636.78mm)
-6.28"
(-159.51mm)
1st Driest Driest to Date 1991
125th Wettest Wettest since: 1990 2018
Dec 1990–Jul 1991
8-Month
25.09"
(637.29mm)
28.17"
(715.52mm)
-3.08"
(-78.23mm)
21st Driest Driest since: 1988 1966
104th Wettest Wettest since: 1990 2019
Nov 1990–Jul 1991
9-Month
27.56"
(700.02mm)
31.37"
(796.80mm)
-3.81"
(-96.78mm)
21st Driest Driest since: 1988 1966
104th Wettest Wettest since: 1990 2019
Oct 1990–Jul 1991
10-Month
33.37"
(847.60mm)
34.55"
(877.57mm)
-1.18"
(-29.97mm)
42nd Driest Driest since: 1988 1934
83rd Wettest Wettest since: 1990 2019
Sep 1990–Jul 1991
11-Month
37.49"
(952.25mm)
38.11"
(967.99mm)
-0.62"
(-15.74mm)
49th Driest Driest since: 1988 1965
76th Wettest Wettest since: 1990 2019
Aug 1990–Jul 1991
12-Month
42.71"
(1,084.83mm)
41.98"
(1,066.29mm)
0.73"
(18.54mm)
67th Driest Driest since: 1990 1965
58th Wettest Wettest since: 1989 2019
Feb 1990–Jul 1991
18-Month
64.86"
(1,647.44mm)
63.96"
(1,624.58mm)
0.90"
(22.86mm)
67th Driest Driest since: 1989 1966
58th Wettest Wettest since: 1990 2019
Aug 1989–Jul 1991
24-Month
82.89"
(2,105.41mm)
83.89"
(2,130.81mm)
-1.00"
(-25.40mm)
50th Driest Driest since: 1988 1966
74th Wettest Wettest since: 1990 2019
Ties: 1939
Aug 1988–Jul 1991
36-Month
127.87"
(3,247.90mm)
125.92"
(3,198.37mm)
1.95"
(49.53mm)
68th Driest Driest since: 1990 1966
55th Wettest Wettest since: 1986 2019
Aug 1987–Jul 1991
48-Month
167.37"
(4,251.20mm)
167.89"
(4,264.41mm)
-0.52"
(-13.21mm)
48th Driest Driest since: 1990 1966
74th Wettest Wettest since: 1989 2019
Aug 1986–Jul 1991
60-Month
207.77"
(5,277.36mm)
209.81"
(5,329.17mm)
-2.04"
(-51.81mm)
41st Driest Driest since: 1989 1966
80th Wettest Wettest since: 1990 2008
Ties: 1910

Citing This Page

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