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


Ohio Valley Climate Region

Precipitation Rankings, May 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1977
1-Month
2.79"
(70.87mm)
4.27"
(108.46mm)
-1.48"
(-37.59mm)
17th Driest Driest since: 1965 1934
109th Wettest Wettest since: 1976 1995
Apr–May 1977
2-Month
6.48"
(164.59mm)
8.18"
(207.77mm)
-1.70"
(-43.18mm)
27th Driest Driest since: 1976 1934
99th Wettest Wettest since: 1975 2011
Mar–May 1977
3-Month
11.42"
(290.07mm)
11.99"
(304.55mm)
-0.57"
(-14.48mm)
50th Driest Driest since: 1976 1941
76th Wettest Wettest since: 1975 2011
Ties: 1940, 1950
Feb–May 1977
4-Month
12.99"
(329.95mm)
14.67"
(372.62mm)
-1.68"
(-42.67mm)
36th Driest Driest since: 1976 1941
90th Wettest Wettest since: 1975 2011
Jan–May 1977
5-Month
14.62"
(371.35mm)
17.71"
(449.83mm)
-3.09"
(-78.48mm)
21st Driest Driest since: 1971 1941
105th Wettest Wettest since: 1976 2019
Dec 1976–May 1977
6-Month
15.80"
(401.32mm)
20.80"
(528.32mm)
-5.00"
(-127.00mm)
10th Driest Driest since: 1941 1941
115th Wettest Wettest since: 1976 2019
Nov 1976–May 1977
7-Month
16.69"
(423.93mm)
23.95"
(608.33mm)
-7.26"
(-184.40mm)
3rd Driest Driest since: 1941 1934
122nd Wettest Wettest since: 1976 2019
Oct 1976–May 1977
8-Month
20.78"
(527.81mm)
26.86"
(682.24mm)
-6.08"
(-154.43mm)
6th Driest Driest since: 1954 1934
119th Wettest Wettest since: 1976 2019
Sep 1976–May 1977
9-Month
23.68"
(601.47mm)
30.32"
(770.13mm)
-6.64"
(-168.66mm)
7th Driest Driest since: 1954 1941
118th Wettest Wettest since: 1976 1927
Aug 1976–May 1977
10-Month
26.13"
(663.70mm)
33.99"
(863.35mm)
-7.86"
(-199.65mm)
5th Driest Driest since: 1954 1954
120th Wettest Wettest since: 1976 1927
Jul 1976–May 1977
11-Month
29.98"
(761.49mm)
37.99"
(964.95mm)
-8.01"
(-203.46mm)
5th Driest Driest since: 1954 1941
120th Wettest Wettest since: 1976 1927
Jun 1976–May 1977
12-Month
34.41"
(874.01mm)
42.24"
(1,072.90mm)
-7.83"
(-198.89mm)
6th Driest Driest since: 1954 1931
119th Wettest Wettest since: 1976 2019
Dec 1975–May 1977
18-Month
53.05"
(1,347.47mm)
63.02"
(1,600.71mm)
-9.97"
(-253.24mm)
6th Driest Driest since: 1964 1931
118th Wettest Wettest since: 1976 2019
Jun 1975–May 1977
24-Month
75.44"
(1,916.18mm)
84.48"
(2,145.79mm)
-9.04"
(-229.61mm)
14th Driest Driest since: 1965 1941
110th Wettest Wettest since: 1976 1974
Jun 1974–May 1977
36-Month
122.67"
(3,115.82mm)
126.72"
(3,218.69mm)
-4.05"
(-102.87mm)
32nd Driest Driest since: 1969 1955
91st Wettest Wettest since: 1976 1975
Jun 1973–May 1977
48-Month
172.78"
(4,388.61mm)
168.95"
(4,291.33mm)
3.83"
(97.28mm)
70th Driest Driest since: 1972 1956
52nd Wettest Wettest since: 1976 2019
Jun 1972–May 1977
60-Month
225.13"
(5,718.30mm)
211.18"
(5,363.97mm)
13.95"
(354.33mm)
101st Driest Driest since: 1973 1957
20th Wettest Wettest since: 1976 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/