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 October 2021. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, September 1940

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1940
1-Month
1.23"
(31.24mm)
3.47"
(88.14mm)
-2.24"
(-56.90mm)
3rd Driest Driest since: 1939 1897
125th Wettest Wettest since: 1938 1926
Aug–Sep 1940
2-Month
5.67"
(144.02mm)
7.14"
(181.36mm)
-1.47"
(-37.34mm)
20th Driest Driest since: 1939 1897
108th Wettest Wettest since: 1938 1926
Ties: 1943
Jul–Sep 1940
3-Month
7.99"
(202.95mm)
11.14"
(282.96mm)
-3.15"
(-80.01mm)
6th Driest Driest since: 1930 1953
122nd Wettest Wettest since: 1939 1926
Jun–Sep 1940
4-Month
12.12"
(307.85mm)
15.39"
(390.91mm)
-3.27"
(-83.06mm)
10th Driest Driest since: 1936 1953
118th Wettest Wettest since: 1939 1915
May–Sep 1940
5-Month
15.60"
(396.24mm)
19.66"
(499.36mm)
-4.06"
(-103.12mm)
10th Driest Driest since: 1936 1930
118th Wettest Wettest since: 1939 1915
Apr–Sep 1940
6-Month
20.30"
(515.62mm)
23.57"
(598.68mm)
-3.27"
(-83.06mm)
19th Driest Driest since: 1936 1930
109th Wettest Wettest since: 1939 2011
Mar–Sep 1940
7-Month
23.54"
(597.92mm)
27.38"
(695.45mm)
-3.84"
(-97.53mm)
16th Driest Driest since: 1936 1930
112th Wettest Wettest since: 1939 1945
Feb–Sep 1940
8-Month
26.48"
(672.59mm)
30.05"
(763.27mm)
-3.57"
(-90.68mm)
20th Driest Driest since: 1937 1930
108th Wettest Wettest since: 1939 1945
Jan–Sep 1940
9-Month
28.05"
(712.47mm)
33.10"
(840.74mm)
-5.05"
(-128.27mm)
13th Driest Driest since: 1936 1930
115th Wettest Wettest since: 1939 1950
Dec 1939–Sep 1940
10-Month
29.87"
(758.70mm)
36.19"
(919.23mm)
-6.32"
(-160.53mm)
7th Driest Driest since: 1936 1930
120th Wettest Wettest since: 1939 1950
Nov 1939–Sep 1940
11-Month
31.45"
(798.83mm)
39.33"
(998.98mm)
-7.88"
(-200.15mm)
4th Driest Driest since: 1936 1930
123rd Wettest Wettest since: 1939 2019
Oct 1939–Sep 1940
12-Month
33.66"
(854.96mm)
42.25"
(1,073.15mm)
-8.59"
(-218.19mm)
4th Driest Driest since: 1936 1925
123rd Wettest Wettest since: 1939 2019
Apr 1939–Sep 1940
18-Month
56.01"
(1,422.65mm)
65.79"
(1,671.07mm)
-9.78"
(-248.42mm)
8th Driest Driest since: 1931 1931
119th Wettest Wettest since: 1939 2019
Oct 1938–Sep 1940
24-Month
75.45"
(1,916.43mm)
84.47"
(2,145.54mm)
-9.02"
(-229.11mm)
7th Driest Driest since: 1931 1941
119th Wettest Wettest since: 1939 2020
Oct 1937–Sep 1940
36-Month
120.43"
(3,058.92mm)
126.72"
(3,218.69mm)
-6.29"
(-159.77mm)
22nd Driest Driest since: 1936 1941
103rd Wettest Wettest since: 1939 2020
Oct 1936–Sep 1940
48-Month
166.14"
(4,219.96mm)
168.99"
(4,292.35mm)
-2.85"
(-72.39mm)
40th Driest Driest since: 1939 1956
84th Wettest Wettest since: 1938 2021
Oct 1935–Sep 1940
60-Month
199.70"
(5,072.38mm)
211.21"
(5,364.73mm)
-11.51"
(-292.35mm)
17th Driest Driest since: 1934 1956
106th Wettest Wettest since: 1939 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/