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 June 2020. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, December 1990

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
December 1990
1-Month
6.30"
(160.02mm)
3.11"
(78.99mm)
3.19"
(81.03mm)
125th Driest Driest since: 1989 1955
1st Wettest Wettest to Date 1990
Nov–Dec 1990
2-Month
8.77"
(222.76mm)
6.29"
(159.77mm)
2.48"
(62.99mm)
114th Driest Driest since: 1989 1917
12th Wettest Wettest since: 1985 1972
Oct–Dec 1990
3-Month
14.58"
(370.33mm)
9.46"
(240.28mm)
5.12"
(130.05mm)
123rd Driest Driest since: 1989 1924
3rd Wettest Wettest since: 1927 1927
Sep–Dec 1990
4-Month
18.70"
(474.98mm)
13.04"
(331.22mm)
5.66"
(143.76mm)
121st Driest Driest since: 1989 1908
5th Wettest Wettest to Date 2018
Aug–Dec 1990
5-Month
23.92"
(607.57mm)
16.91"
(429.51mm)
7.01"
(178.06mm)
121st Driest Driest since: 1989 1930
5th Wettest Wettest to Date 2018
Jul–Dec 1990
6-Month
29.14"
(740.16mm)
21.10"
(535.94mm)
8.04"
(204.22mm)
120th Driest Driest since: 1989 1930
6th Wettest Wettest to Date 2018
Jun–Dec 1990
7-Month
32.31"
(820.67mm)
25.27"
(641.86mm)
7.04"
(178.81mm)
117th Driest Driest since: 1989 1930
9th Wettest Wettest since: 1977 2018
May–Dec 1990
8-Month
38.39"
(975.11mm)
29.19"
(741.43mm)
9.20"
(233.68mm)
119th Driest Driest since: 1989 1930
7th Wettest Wettest since: 1972 2018
Apr–Dec 1990
9-Month
41.50"
(1,054.10mm)
32.84"
(834.14mm)
8.66"
(219.96mm)
119th Driest Driest since: 1989 1930
7th Wettest Wettest since: 1972 2018
Mar–Dec 1990
10-Month
43.19"
(1,097.03mm)
36.33"
(922.78mm)
6.86"
(174.25mm)
115th Driest Driest since: 1989 1930
11th Wettest Wettest since: 1977 2011
Feb–Dec 1990
11-Month
46.07"
(1,170.18mm)
38.93"
(988.82mm)
7.14"
(181.36mm)
114th Driest Driest since: 1989 1930
12th Wettest Wettest since: 1975 2018
Jan–Dec 1990
12-Month
49.70"
(1,262.38mm)
41.98"
(1,066.29mm)
7.72"
(196.09mm)
116th Driest Driest since: 1989 1930
10th Wettest Wettest since: 1975 2018
Jul 1989–Dec 1990
18-Month
68.76"
(1,746.50mm)
63.09"
(1,602.49mm)
5.67"
(144.01mm)
100th Driest Driest since: 1989 1931
25th Wettest Wettest since: 1979 2019
Jan 1989–Dec 1990
24-Month
93.98"
(2,387.09mm)
83.92"
(2,131.57mm)
10.06"
(255.52mm)
114th Driest Driest since: 1989 1931
11th Wettest Wettest since: 1973 2019
Jan 1988–Dec 1990
36-Month
129.88"
(3,298.95mm)
125.86"
(3,196.84mm)
4.02"
(102.11mm)
77th Driest Driest since: 1989 1965
47th Wettest Wettest since: 1986 2019
Jan 1987–Dec 1990
48-Month
170.55"
(4,331.97mm)
167.85"
(4,263.39mm)
2.70"
(68.58mm)
67th Driest Driest since: 1989 1966
56th Wettest Wettest since: 1987 2019
Jan 1986–Dec 1990
60-Month
213.80"
(5,430.52mm)
209.87"
(5,330.70mm)
3.93"
(99.82mm)
71st Driest Driest since: 1989 1966
51st Wettest Wettest since: 1987 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 12, 2020 from https://www.ncdc.noaa.gov/cag/