Climate at a Glance

Regional 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 September 2020. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, May 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1981
1-Month
6.20"
(157.48mm)
4.27"
(108.46mm)
1.93"
(49.02mm)
112th Driest Driest since: 1980 1934
15th Wettest Wettest since: 1974 1995
Apr–May 1981
2-Month
10.71"
(272.03mm)
8.18"
(207.77mm)
2.53"
(64.26mm)
109th Driest Driest since: 1980 1934
18th Wettest Wettest since: 1973 2011
Mar–May 1981
3-Month
12.82"
(325.63mm)
11.99"
(304.55mm)
0.83"
(21.08mm)
78th Driest Driest since: 1980 1941
49th Wettest Wettest since: 1979 2011
Ties: 1947
Feb–May 1981
4-Month
15.77"
(400.56mm)
14.67"
(372.62mm)
1.10"
(27.94mm)
78th Driest Driest since: 1980 1941
49th Wettest Wettest since: 1979 2011
Ties: 1899
Jan–May 1981
5-Month
16.47"
(418.34mm)
17.71"
(449.83mm)
-1.24"
(-31.49mm)
45th Driest Driest since: 1980 1941
82nd Wettest Wettest since: 1979 2019
Dec 1980–May 1981
6-Month
18.13"
(460.50mm)
20.80"
(528.32mm)
-2.67"
(-67.82mm)
26th Driest Driest since: 1980 1941
100th Wettest Wettest since: 1979 2019
Ties: 1966
Nov 1980–May 1981
7-Month
20.32"
(516.13mm)
23.95"
(608.33mm)
-3.63"
(-92.20mm)
21st Driest Driest since: 1977 1934
105th Wettest Wettest since: 1980 2019
Oct 1980–May 1981
8-Month
22.87"
(580.90mm)
26.86"
(682.24mm)
-3.99"
(-101.34mm)
18th Driest Driest since: 1977 1934
108th Wettest Wettest since: 1980 2019
Sep 1980–May 1981
9-Month
26.07"
(662.18mm)
30.32"
(770.13mm)
-4.25"
(-107.95mm)
18th Driest Driest since: 1977 1941
108th Wettest Wettest since: 1980 1927
Aug 1980–May 1981
10-Month
30.61"
(777.49mm)
33.99"
(863.35mm)
-3.38"
(-85.86mm)
23rd Driest Driest since: 1977 1954
103rd Wettest Wettest since: 1980 1927
Jul 1980–May 1981
11-Month
34.48"
(875.79mm)
37.99"
(964.95mm)
-3.51"
(-89.16mm)
22nd Driest Driest since: 1977 1941
104th Wettest Wettest since: 1980 1927
Jun 1980–May 1981
12-Month
38.22"
(970.79mm)
42.24"
(1,072.90mm)
-4.02"
(-102.11mm)
20th Driest Driest since: 1977 1931
106th Wettest Wettest since: 1980 2019
Dec 1979–May 1981
18-Month
55.38"
(1,406.65mm)
63.02"
(1,600.71mm)
-7.64"
(-194.06mm)
10th Driest Driest since: 1977 1931
115th Wettest Wettest since: 1980 2020
Jun 1979–May 1981
24-Month
81.01"
(2,057.65mm)
84.48"
(2,145.79mm)
-3.47"
(-88.14mm)
35th Driest Driest since: 1978 1941
90th Wettest Wettest since: 1980 2020
Jun 1978–May 1981
36-Month
127.97"
(3,250.44mm)
126.72"
(3,218.69mm)
1.25"
(31.75mm)
65th Driest Driest since: 1979 1955
59th Wettest Wettest since: 1980 2020
Jun 1977–May 1981
48-Month
174.44"
(4,430.78mm)
168.95"
(4,291.33mm)
5.49"
(139.45mm)
76th Driest Driest since: 1980 1956
47th Wettest Wettest since: 1976 2020
Jun 1976–May 1981
60-Month
208.85"
(5,304.79mm)
211.18"
(5,363.97mm)
-2.33"
(-59.18mm)
43rd Driest Driest since: 1972 1957
79th Wettest Wettest since: 1980 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2020, retrieved on October 24, 2020 from https://www.ncdc.noaa.gov/cag/