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 2021. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, May 1906

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1906
1-Month
3.26"
(82.80mm)
3.93"
(99.82mm)
-0.67"
(-17.02mm)
43rd Driest Driest since: 1905 1964
85th Wettest Wettest since: 1904 1989
Apr–May 1906
2-Month
6.37"
(161.80mm)
7.57"
(192.28mm)
-1.20"
(-30.48mm)
39th Driest Driest since: 1905 1926
89th Wettest Wettest since: 1904 2011
Ties: 1951
Mar–May 1906
3-Month
10.85"
(275.59mm)
11.06"
(280.92mm)
-0.21"
(-5.33mm)
63rd Driest Driest since: 1905 1926
65th Wettest Wettest since: 1904 2011
Feb–May 1906
4-Month
12.49"
(317.25mm)
13.66"
(346.96mm)
-1.17"
(-29.71mm)
43rd Driest Driest since: 1905 1941
85th Wettest Wettest since: 1904 2011
Jan–May 1906
5-Month
14.94"
(379.48mm)
16.71"
(424.43mm)
-1.77"
(-44.95mm)
38th Driest Driest since: 1905 1941
90th Wettest Wettest since: 1904 2011
Dec 1905–May 1906
6-Month
18.58"
(471.93mm)
19.81"
(503.17mm)
-1.23"
(-31.24mm)
43rd Driest Driest since: 1905 1941
84th Wettest Wettest since: 1904 2011
Ties: 2013
Nov 1905–May 1906
7-Month
21.16"
(537.46mm)
23.02"
(584.71mm)
-1.86"
(-47.25mm)
39th Driest Driest since: 1905 1934
88th Wettest Wettest since: 1904 1952
Oct 1905–May 1906
8-Month
25.45"
(646.43mm)
26.19"
(665.23mm)
-0.74"
(-18.80mm)
52nd Driest Driest since: 1905 1925
75th Wettest Wettest since: 1904 2011
Sep 1905–May 1906
9-Month
28.65"
(727.71mm)
29.75"
(755.65mm)
-1.10"
(-27.94mm)
50th Driest Driest since: 1905 1941
77th Wettest Wettest since: 1904 2019
Aug 1905–May 1906
10-Month
33.74"
(857.00mm)
33.62"
(853.95mm)
0.12"
(3.05mm)
66th Driest Driest since: 1905 1931
61st Wettest Wettest since: 1904 2019
Jul 1905–May 1906
11-Month
39.10"
(993.14mm)
37.82"
(960.63mm)
1.28"
(32.51mm)
73rd Driest Driest since: 1905 1931
54th Wettest Wettest since: 1904 2019
Jun 1905–May 1906
12-Month
44.11"
(1,120.39mm)
41.97"
(1,066.04mm)
2.14"
(54.35mm)
80th Driest Driest since: 1905 1931
47th Wettest Wettest since: 1904 2019
Dec 1904–May 1906
18-Month
61.44"
(1,560.58mm)
61.76"
(1,568.70mm)
-0.32"
(-8.12mm)
58th Driest Driest since: 1905 1931
68th Wettest Wettest since: 1904 2019
Jun 1904–May 1906
24-Month
81.24"
(2,063.50mm)
83.91"
(2,131.31mm)
-2.67"
(-67.81mm)
38th Driest Driest since: 1901 1931
88th Wettest Wettest since: 1905 2019
Jun 1903–May 1906
36-Month
128.04"
(3,252.22mm)
125.93"
(3,198.62mm)
2.11"
(53.60mm)
65th Driest Driest since: 1902 1965
60th Wettest Wettest since: 1905 2020
Jun 1902–May 1906
48-Month
175.99"
(4,470.15mm)
167.92"
(4,265.17mm)
8.07"
(204.98mm)
91st Driest Driest since: 1905 1966
33rd Wettest Wettest since: 1904 2020
Ties: 1981
Jun 1901–May 1906
60-Month
219.86"
(5,584.44mm)
209.84"
(5,329.94mm)
10.02"
(254.50mm)
94th Driest Driest since: 1905 1967
29th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on November 29, 2021 from https://www.ncdc.noaa.gov/cag/