Climate at a Glance

National 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 January 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1974
1-Month
2.72"
(69.09mm)
2.49"
(63.25mm)
0.23"
(5.84mm)
87th Driest Driest since: 1969 1956
40th Wettest Wettest since: 1973 1986
Ties: 2002
Aug–Sep 1974
2-Month
6.15"
(156.21mm)
5.11"
(129.79mm)
1.04"
(26.42mm)
118th Driest Driest since: 1973 1956
9th Wettest Wettest since: 1965 1977
Jul–Sep 1974
3-Month
8.29"
(210.57mm)
7.88"
(200.15mm)
0.41"
(10.42mm)
88th Driest Driest since: 1970 1930
39th Wettest Wettest since: 1973 1915
Jun–Sep 1974
4-Month
10.93"
(277.62mm)
10.81"
(274.57mm)
0.12"
(3.05mm)
65th Driest Driest since: 1970 1930
62nd Wettest Wettest since: 1973 1915
Ties: 1921
May–Sep 1974
5-Month
14.00"
(355.60mm)
13.72"
(348.49mm)
0.28"
(7.11mm)
68th Driest Driest since: 1970 1956
59th Wettest Wettest since: 1973 1915
Apr–Sep 1974
6-Month
16.55"
(420.37mm)
16.24"
(412.50mm)
0.31"
(7.87mm)
71st Driest Driest since: 1971 1956
56th Wettest Wettest since: 1973 1915
Mar–Sep 1974
7-Month
19.18"
(487.17mm)
18.75"
(476.25mm)
0.43"
(10.92mm)
75th Driest Driest since: 1972 1956
52nd Wettest Wettest since: 1973 1973
Feb–Sep 1974
8-Month
20.86"
(529.84mm)
20.88"
(530.35mm)
-0.02"
(-0.51mm)
60th Driest Driest since: 1972 1930
67th Wettest Wettest since: 1973 2019
Jan–Sep 1974
9-Month
24.01"
(609.85mm)
23.20"
(589.28mm)
0.81"
(20.57mm)
82nd Driest Driest since: 1972 1934
45th Wettest Wettest since: 1973 2019
Dec 1973–Sep 1974
10-Month
27.10"
(688.34mm)
25.54"
(648.72mm)
1.56"
(39.62mm)
94th Driest Driest since: 1972 1931
32nd Wettest Wettest since: 1973 2019
Nov 1973–Sep 1974
11-Month
30.27"
(768.86mm)
27.77"
(705.36mm)
2.50"
(63.50mm)
112th Driest Driest since: 1972 1934
14th Wettest Wettest since: 1973 2019
Oct 1973–Sep 1974
12-Month
32.64"
(829.06mm)
29.94"
(760.48mm)
2.70"
(68.58mm)
112th Driest Driest since: 1972 1934
14th Wettest Wettest since: 1973 2019
Apr 1973–Sep 1974
18-Month
50.53"
(1,283.46mm)
46.20"
(1,173.48mm)
4.33"
(109.98mm)
114th Driest Driest since: 1972 1931
12th Wettest Wettest since: 1973 2019
Oct 1972–Sep 1974
24-Month
67.79"
(1,721.87mm)
59.92"
(1,521.97mm)
7.87"
(199.90mm)
122nd Driest Driest since: 1973 1918
3rd Wettest Wettest to Date 2020
Oct 1971–Sep 1974
36-Month
98.63"
(2,505.20mm)
89.87"
(2,282.70mm)
8.76"
(222.50mm)
116th Driest Driest since: 1973 1956
8th Wettest Wettest to Date 2019
Oct 1970–Sep 1974
48-Month
128.30"
(3,258.82mm)
119.78"
(3,042.41mm)
8.52"
(216.41mm)
111th Driest Driest since: 1973 1956
12th Wettest Wettest to Date 2019
Oct 1969–Sep 1974
60-Month
157.93"
(4,011.42mm)
149.66"
(3,801.36mm)
8.27"
(210.06mm)
108th Driest Driest since: 1973 1956
14th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on February 25, 2021 from https://www.ncdc.noaa.gov/cag/