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 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1978
1-Month
4.93"
(125.22mm)
4.27"
(108.46mm)
0.66"
(16.76mm)
86th Driest Driest since: 1977 1934
40th Wettest Wettest since: 1974 1995
Ties: 1910
Apr–May 1978
2-Month
8.50"
(215.90mm)
8.18"
(207.77mm)
0.32"
(8.13mm)
76th Driest Driest since: 1977 1934
50th Wettest Wettest since: 1974 2011
Mar–May 1978
3-Month
12.02"
(305.31mm)
11.99"
(304.55mm)
0.03"
(0.76mm)
61st Driest Driest since: 1977 1941
65th Wettest Wettest since: 1975 2011
Ties: 2016
Feb–May 1978
4-Month
12.93"
(328.42mm)
14.67"
(372.62mm)
-1.74"
(-44.20mm)
35th Driest Driest since: 1976 1941
91st Wettest Wettest since: 1977 2011
Jan–May 1978
5-Month
16.30"
(414.02mm)
17.71"
(449.83mm)
-1.41"
(-35.81mm)
39th Driest Driest since: 1977 1941
87th Wettest Wettest since: 1975 2019
Dec 1977–May 1978
6-Month
19.45"
(494.03mm)
20.80"
(528.32mm)
-1.35"
(-34.29mm)
39th Driest Driest since: 1977 1941
86th Wettest Wettest since: 1975 2019
Ties: 1915
Nov 1977–May 1978
7-Month
23.27"
(591.06mm)
23.95"
(608.33mm)
-0.68"
(-17.27mm)
50th Driest Driest since: 1977 1934
75th Wettest Wettest since: 1975 2019
Oct 1977–May 1978
8-Month
27.20"
(690.88mm)
26.86"
(682.24mm)
0.34"
(8.64mm)
62nd Driest Driest since: 1977 1934
63rd Wettest Wettest since: 1975 2019
Ties: 1939
Sep 1977–May 1978
9-Month
32.33"
(821.18mm)
30.32"
(770.13mm)
2.01"
(51.05mm)
83rd Driest Driest since: 1977 1941
42nd Wettest Wettest since: 1975 1927
Aug 1977–May 1978
10-Month
38.11"
(967.99mm)
33.99"
(863.35mm)
4.12"
(104.64mm)
97th Driest Driest since: 1977 1954
28th Wettest Wettest since: 1975 1927
Jul 1977–May 1978
11-Month
41.83"
(1,062.48mm)
37.99"
(964.95mm)
3.84"
(97.53mm)
92nd Driest Driest since: 1977 1941
33rd Wettest Wettest since: 1975 1927
Jun 1977–May 1978
12-Month
46.47"
(1,180.34mm)
42.24"
(1,072.90mm)
4.23"
(107.44mm)
93rd Driest Driest since: 1977 1931
32nd Wettest Wettest since: 1975 2019
Dec 1976–May 1978
18-Month
62.27"
(1,581.66mm)
63.02"
(1,600.71mm)
-0.75"
(-19.05mm)
52nd Driest Driest since: 1977 1931
72nd Wettest Wettest since: 1976 2019
Jun 1976–May 1978
24-Month
80.88"
(2,054.35mm)
84.48"
(2,145.79mm)
-3.60"
(-91.44mm)
33rd Driest Driest since: 1977 1941
91st Wettest Wettest since: 1976 1974
Jun 1975–May 1978
36-Month
121.91"
(3,096.51mm)
126.72"
(3,218.69mm)
-4.81"
(-122.18mm)
26th Driest Driest since: 1967 1955
97th Wettest Wettest since: 1977 1975
Jun 1974–May 1978
48-Month
169.14"
(4,296.16mm)
168.95"
(4,291.33mm)
0.19"
(4.83mm)
57th Driest Driest since: 1972 1956
65th Wettest Wettest since: 1977 2019
Jun 1973–May 1978
60-Month
219.25"
(5,568.95mm)
211.18"
(5,363.97mm)
8.07"
(204.98mm)
86th Driest Driest since: 1973 1957
35th Wettest Wettest since: 1977 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/