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


Contiguous U.S.

Precipitation Rankings, September 1930

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1930
1-Month
2.33"
(59.18mm)
2.49"
(63.25mm)
-0.16"
(-4.07mm)
43rd Driest Driest since: 1928 1956
85th Wettest Wettest since: 1929 1986
Ties: 1898, 1904, 1992
Aug–Sep 1930
2-Month
4.29"
(108.97mm)
5.11"
(129.79mm)
-0.82"
(-20.82mm)
11th Driest Driest since: 1922 1956
117th Wettest Wettest since: 1929 1977
Jul–Sep 1930
3-Month
6.08"
(154.43mm)
7.88"
(200.15mm)
-1.80"
(-45.72mm)
1st Driest Driest since: 1930 1930
127th Wettest Wettest since: 1929 1915
Jun–Sep 1930
4-Month
8.41"
(213.61mm)
10.81"
(274.57mm)
-2.40"
(-60.96mm)
1st Driest Driest since: 1930 1930
127th Wettest Wettest since: 1929 1915
May–Sep 1930
5-Month
11.58"
(294.13mm)
13.72"
(348.49mm)
-2.14"
(-54.36mm)
3rd Driest Driest since: 1930 1956
125th Wettest Wettest since: 1929 1915
Apr–Sep 1930
6-Month
13.41"
(340.61mm)
16.24"
(412.50mm)
-2.83"
(-71.89mm)
3rd Driest Driest since: 1930 1956
125th Wettest Wettest since: 1929 1915
Mar–Sep 1930
7-Month
15.39"
(390.91mm)
18.75"
(476.25mm)
-3.36"
(-85.34mm)
3rd Driest Driest since: 1910 1956
125th Wettest Wettest since: 1929 1973
Feb–Sep 1930
8-Month
17.13"
(435.10mm)
20.88"
(530.35mm)
-3.75"
(-95.25mm)
1st Driest Driest since: 1930 1930
127th Wettest Wettest since: 1929 2019
Jan–Sep 1930
9-Month
19.71"
(500.63mm)
23.20"
(589.28mm)
-3.49"
(-88.65mm)
5th Driest Driest since: 1910 1934
123rd Wettest Wettest since: 1929 2019
Dec 1929–Sep 1930
10-Month
21.92"
(556.77mm)
25.54"
(648.72mm)
-3.62"
(-91.95mm)
3rd Driest Driest since: 1930 1931
124th Wettest Wettest since: 1929 2019
Nov 1929–Sep 1930
11-Month
23.88"
(606.55mm)
27.77"
(705.36mm)
-3.89"
(-98.81mm)
4th Driest Driest since: 1918 1934
123rd Wettest Wettest since: 1929 2019
Oct 1929–Sep 1930
12-Month
26.48"
(672.59mm)
29.94"
(760.48mm)
-3.46"
(-87.89mm)
9th Driest Driest since: 1925 1934
118th Wettest Wettest since: 1929 2019
Apr 1929–Sep 1930
18-Month
42.67"
(1,083.82mm)
46.20"
(1,173.48mm)
-3.53"
(-89.66mm)
13th Driest Driest since: 1925 1931
114th Wettest Wettest since: 1929 2019
Oct 1928–Sep 1930
24-Month
55.98"
(1,421.89mm)
59.92"
(1,521.97mm)
-3.94"
(-100.08mm)
16th Driest Driest since: 1926 1918
110th Wettest Wettest since: 1929 2020
Oct 1927–Sep 1930
36-Month
87.14"
(2,213.36mm)
89.87"
(2,282.70mm)
-2.73"
(-69.34mm)
31st Driest Driest since: 1926 1956
94th Wettest Wettest since: 1929 2019
Oct 1926–Sep 1930
48-Month
119.45"
(3,034.03mm)
119.78"
(3,042.41mm)
-0.33"
(-8.38mm)
56th Driest Driest since: 1928 1956
68th Wettest Wettest since: 1929 2019
Oct 1925–Sep 1930
60-Month
149.17"
(3,788.92mm)
149.66"
(3,801.36mm)
-0.49"
(-12.44mm)
57th Driest Driest since: 1929 1956
66th Wettest Wettest since: 1924 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Precipitation, published September 2022, retrieved on September 24, 2022 from https://www.ncdc.noaa.gov/cag/