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


Contiguous U.S.

Precipitation Rankings, September 1979

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1979
1-Month
2.51"
(63.75mm)
2.49"
(63.25mm)
0.02"
(0.50mm)
68th Driest Driest since: 1978 1956
59th Wettest Wettest since: 1977 1986
Ties: 1907, 1912, 1998
Aug–Sep 1979
2-Month
5.50"
(139.70mm)
5.11"
(129.79mm)
0.39"
(9.91mm)
96th Driest Driest since: 1978 1956
31st Wettest Wettest since: 1977 1977
Jul–Sep 1979
3-Month
8.80"
(223.52mm)
7.88"
(200.15mm)
0.92"
(23.37mm)
110th Driest Driest since: 1978 1930
17th Wettest Wettest since: 1977 1915
Jun–Sep 1979
4-Month
11.34"
(288.04mm)
10.81"
(274.57mm)
0.53"
(13.47mm)
90th Driest Driest since: 1978 1930
37th Wettest Wettest since: 1977 1915
Ties: 1898, 1981
May–Sep 1979
5-Month
14.57"
(370.08mm)
13.72"
(348.49mm)
0.85"
(21.59mm)
93rd Driest Driest since: 1978 1956
34th Wettest Wettest since: 1975 1915
Ties: 1898
Apr–Sep 1979
6-Month
17.64"
(448.06mm)
16.24"
(412.50mm)
1.40"
(35.56mm)
101st Driest Driest since: 1978 1956
26th Wettest Wettest since: 1975 1915
Mar–Sep 1979
7-Month
20.44"
(519.18mm)
18.75"
(476.25mm)
1.69"
(42.93mm)
108th Driest Driest since: 1978 1956
19th Wettest Wettest since: 1975 1973
Feb–Sep 1979
8-Month
23.04"
(585.22mm)
20.88"
(530.35mm)
2.16"
(54.87mm)
116th Driest Driest since: 1978 1930
11th Wettest Wettest since: 1975 2019
Jan–Sep 1979
9-Month
26.35"
(669.29mm)
23.20"
(589.28mm)
3.15"
(80.01mm)
124th Driest Driest since: 1978 1934
3rd Wettest Wettest to Date 2019
Ties: 1993
Dec 1978–Sep 1979
10-Month
28.88"
(733.55mm)
25.54"
(648.72mm)
3.34"
(84.83mm)
121st Driest Driest since: 1978 1931
5th Wettest Wettest since: 1973 2019
Nov 1978–Sep 1979
11-Month
31.48"
(799.59mm)
27.77"
(705.36mm)
3.71"
(94.23mm)
120th Driest Driest since: 1978 1934
6th Wettest Wettest since: 1973 2019
Oct 1978–Sep 1979
12-Month
32.59"
(827.79mm)
29.94"
(760.48mm)
2.65"
(67.31mm)
110th Driest Driest since: 1978 1934
16th Wettest Wettest since: 1975 2019
Apr 1978–Sep 1979
18-Month
49.28"
(1,251.71mm)
46.20"
(1,173.48mm)
3.08"
(78.23mm)
103rd Driest Driest since: 1978 1931
23rd Wettest Wettest since: 1975 2019
Oct 1977–Sep 1979
24-Month
64.26"
(1,632.20mm)
59.92"
(1,521.97mm)
4.34"
(110.23mm)
108th Driest Driest since: 1978 1918
17th Wettest Wettest since: 1975 2020
Oct 1976–Sep 1979
36-Month
91.84"
(2,332.74mm)
89.87"
(2,282.70mm)
1.97"
(50.04mm)
80th Driest Driest since: 1978 1956
44th Wettest Wettest since: 1976 2019
Oct 1975–Sep 1979
48-Month
119.93"
(3,046.22mm)
119.78"
(3,042.41mm)
0.15"
(3.81mm)
59th Driest Driest since: 1970 1956
64th Wettest Wettest since: 1978 2019
Oct 1974–Sep 1979
60-Month
152.88"
(3,883.15mm)
149.66"
(3,801.36mm)
3.22"
(81.79mm)
80th Driest Driest since: 1972 1956
42nd Wettest Wettest since: 1978 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published April 2021, retrieved on April 19, 2021 from https://www.ncdc.noaa.gov/cag/