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 April 2022. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, September 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1978
1-Month
1.99"
(50.55mm)
3.47"
(88.14mm)
-1.48"
(-37.59mm)
10th Driest Driest since: 1963 1897
118th Wettest Wettest since: 1977 1926
Aug–Sep 1978
2-Month
6.56"
(166.62mm)
7.14"
(181.36mm)
-0.58"
(-14.74mm)
49th Driest Driest since: 1976 1897
79th Wettest Wettest since: 1977 1926
Jul–Sep 1978
3-Month
11.37"
(288.80mm)
11.14"
(282.96mm)
0.23"
(5.84mm)
70th Driest Driest since: 1976 1953
58th Wettest Wettest since: 1977 1926
Jun–Sep 1978
4-Month
14.75"
(374.65mm)
15.39"
(390.91mm)
-0.64"
(-16.26mm)
47th Driest Driest since: 1976 1953
81st Wettest Wettest since: 1977 1915
May–Sep 1978
5-Month
19.68"
(499.87mm)
19.66"
(499.36mm)
0.02"
(0.51mm)
52nd Driest Driest since: 1976 1930
76th Wettest Wettest since: 1977 1915
Apr–Sep 1978
6-Month
23.25"
(590.55mm)
23.57"
(598.68mm)
-0.32"
(-8.13mm)
54th Driest Driest since: 1976 1930
74th Wettest Wettest since: 1977 2011
Mar–Sep 1978
7-Month
26.77"
(679.96mm)
27.38"
(695.45mm)
-0.61"
(-15.49mm)
51st Driest Driest since: 1976 1930
77th Wettest Wettest since: 1977 1945
Feb–Sep 1978
8-Month
27.68"
(703.07mm)
30.05"
(763.27mm)
-2.37"
(-60.20mm)
31st Driest Driest since: 1976 1930
97th Wettest Wettest since: 1977 1945
Jan–Sep 1978
9-Month
31.05"
(788.67mm)
33.10"
(840.74mm)
-2.05"
(-52.07mm)
32nd Driest Driest since: 1976 1930
96th Wettest Wettest since: 1977 1950
Dec 1977–Sep 1978
10-Month
34.20"
(868.68mm)
36.19"
(919.23mm)
-1.99"
(-50.55mm)
28th Driest Driest since: 1976 1930
99th Wettest Wettest since: 1977 1950
Nov 1977–Sep 1978
11-Month
38.02"
(965.71mm)
39.33"
(998.98mm)
-1.31"
(-33.27mm)
37th Driest Driest since: 1977 1930
90th Wettest Wettest since: 1975 2019
Ties: 1948
Oct 1977–Sep 1978
12-Month
41.95"
(1,065.53mm)
42.25"
(1,073.15mm)
-0.30"
(-7.62mm)
50th Driest Driest since: 1977 1925
77th Wettest Wettest since: 1975 2019
Apr 1977–Sep 1978
18-Month
67.70"
(1,719.58mm)
65.79"
(1,671.07mm)
1.91"
(48.51mm)
73rd Driest Driest since: 1977 1931
54th Wettest Wettest since: 1975 2019
Oct 1976–Sep 1978
24-Month
82.00"
(2,082.80mm)
84.47"
(2,145.54mm)
-2.47"
(-62.74mm)
41st Driest Driest since: 1977 1941
85th Wettest Wettest since: 1976 2020
Oct 1975–Sep 1978
36-Month
120.19"
(3,052.83mm)
126.72"
(3,218.69mm)
-6.53"
(-165.86mm)
20th Driest Driest since: 1968 1941
105th Wettest Wettest since: 1977 2020
Oct 1974–Sep 1978
48-Month
167.30"
(4,249.42mm)
168.99"
(4,292.35mm)
-1.69"
(-42.93mm)
47th Driest Driest since: 1969 1956
77th Wettest Wettest since: 1977 2021
Oct 1973–Sep 1978
60-Month
217.87"
(5,533.90mm)
211.21"
(5,364.73mm)
6.66"
(169.17mm)
80th Driest Driest since: 1972 1956
43rd Wettest Wettest since: 1977 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 22, 2022 from https://www.ncdc.noaa.gov/cag/