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 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1971
1-Month
3.96"
(100.58mm)
3.47"
(88.14mm)
0.49"
(12.44mm)
91st Driest Driest since: 1969 1897
37th Wettest Wettest since: 1970 1926
Aug–Sep 1971
2-Month
6.77"
(171.96mm)
7.14"
(181.36mm)
-0.37"
(-9.40mm)
59th Driest Driest since: 1969 1897
69th Wettest Wettest since: 1970 1926
Ties: 1904
Jul–Sep 1971
3-Month
11.81"
(299.97mm)
11.14"
(282.96mm)
0.67"
(17.01mm)
83rd Driest Driest since: 1969 1953
45th Wettest Wettest since: 1970 1926
Jun–Sep 1971
4-Month
15.33"
(389.38mm)
15.39"
(390.91mm)
-0.06"
(-1.53mm)
58th Driest Driest since: 1968 1953
70th Wettest Wettest since: 1970 1915
May–Sep 1971
5-Month
19.69"
(500.13mm)
19.66"
(499.36mm)
0.03"
(0.77mm)
53rd Driest Driest since: 1966 1930
75th Wettest Wettest since: 1970 1915
Apr–Sep 1971
6-Month
21.53"
(546.86mm)
23.57"
(598.68mm)
-2.04"
(-51.82mm)
31st Driest Driest since: 1963 1930
97th Wettest Wettest since: 1970 2011
Mar–Sep 1971
7-Month
23.49"
(596.65mm)
27.38"
(695.45mm)
-3.89"
(-98.80mm)
15th Driest Driest since: 1954 1930
113th Wettest Wettest since: 1970 1945
Feb–Sep 1971
8-Month
27.24"
(691.90mm)
30.05"
(763.27mm)
-2.81"
(-71.37mm)
28th Driest Driest since: 1966 1930
100th Wettest Wettest since: 1970 1945
Jan–Sep 1971
9-Month
29.65"
(753.11mm)
33.10"
(840.74mm)
-3.45"
(-87.63mm)
22nd Driest Driest since: 1963 1930
106th Wettest Wettest since: 1970 1950
Dec 1970–Sep 1971
10-Month
32.40"
(822.96mm)
36.19"
(919.23mm)
-3.79"
(-96.27mm)
22nd Driest Driest since: 1966 1930
105th Wettest Wettest since: 1970 1950
Nov 1970–Sep 1971
11-Month
34.57"
(878.08mm)
39.33"
(998.98mm)
-4.76"
(-120.90mm)
17th Driest Driest since: 1966 1930
110th Wettest Wettest since: 1970 2019
Oct 1970–Sep 1971
12-Month
38.72"
(983.49mm)
42.25"
(1,073.15mm)
-3.53"
(-89.66mm)
21st Driest Driest since: 1966 1925
106th Wettest Wettest since: 1970 2019
Apr 1970–Sep 1971
18-Month
66.67"
(1,693.42mm)
65.79"
(1,671.07mm)
0.88"
(22.35mm)
61st Driest Driest since: 1969 1931
66th Wettest Wettest since: 1970 2019
Oct 1969–Sep 1971
24-Month
82.73"
(2,101.34mm)
84.47"
(2,145.54mm)
-1.74"
(-44.20mm)
43rd Driest Driest since: 1967 1941
83rd Wettest Wettest since: 1970 2020
Oct 1968–Sep 1971
36-Month
125.04"
(3,176.02mm)
126.72"
(3,218.69mm)
-1.68"
(-42.67mm)
44th Driest Driest since: 1968 1941
81st Wettest Wettest since: 1970 2020
Oct 1967–Sep 1971
48-Month
167.69"
(4,259.33mm)
168.99"
(4,292.35mm)
-1.30"
(-33.02mm)
49th Driest Driest since: 1969 1956
75th Wettest Wettest since: 1970 2021
Oct 1966–Sep 1971
60-Month
208.46"
(5,294.88mm)
211.21"
(5,364.73mm)
-2.75"
(-69.85mm)
41st Driest Driest since: 1970 1956
82nd Wettest Wettest since: 1962 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 20, 2022 from https://www.ncdc.noaa.gov/cag/