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 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1981
1-Month
2.08"
(52.83mm)
2.49"
(63.25mm)
-0.41"
(-10.42mm)
20th Driest Driest since: 1956 1956
107th Wettest Wettest since: 1980 1986
Aug–Sep 1981
2-Month
4.84"
(122.94mm)
5.11"
(129.79mm)
-0.27"
(-6.85mm)
40th Driest Driest since: 1976 1956
87th Wettest Wettest since: 1980 1977
Jul–Sep 1981
3-Month
7.93"
(201.42mm)
7.88"
(200.15mm)
0.05"
(1.27mm)
67th Driest Driest since: 1980 1930
60th Wettest Wettest since: 1979 1915
Ties: 1997
Jun–Sep 1981
4-Month
11.34"
(288.04mm)
10.81"
(274.57mm)
0.53"
(13.47mm)
90th Driest Driest since: 1980 1930
37th Wettest Wettest since: 1979 1915
Ties: 1898, 1979
May–Sep 1981
5-Month
14.89"
(378.21mm)
13.72"
(348.49mm)
1.17"
(29.72mm)
105th Driest Driest since: 1980 1956
22nd Wettest Wettest since: 1975 1915
Apr–Sep 1981
6-Month
17.08"
(433.83mm)
16.24"
(412.50mm)
0.84"
(21.33mm)
86th Driest Driest since: 1980 1956
41st Wettest Wettest since: 1979 1915
Mar–Sep 1981
7-Month
19.29"
(489.97mm)
18.75"
(476.25mm)
0.54"
(13.72mm)
77th Driest Driest since: 1980 1956
50th Wettest Wettest since: 1979 1973
Feb–Sep 1981
8-Month
21.46"
(545.08mm)
20.88"
(530.35mm)
0.58"
(14.73mm)
76th Driest Driest since: 1980 1930
51st Wettest Wettest since: 1979 2019
Jan–Sep 1981
9-Month
22.44"
(569.98mm)
23.20"
(589.28mm)
-0.76"
(-19.30mm)
38th Driest Driest since: 1976 1934
89th Wettest Wettest since: 1980 2019
Ties: 1987
Dec 1980–Sep 1981
10-Month
24.01"
(609.85mm)
25.54"
(648.72mm)
-1.53"
(-38.87mm)
25th Driest Driest since: 1976 1931
101st Wettest Wettest since: 1980 2019
Nov 1980–Sep 1981
11-Month
25.77"
(654.56mm)
27.77"
(705.36mm)
-2.00"
(-50.80mm)
21st Driest Driest since: 1977 1934
105th Wettest Wettest since: 1980 2019
Oct 1980–Sep 1981
12-Month
27.64"
(702.06mm)
29.94"
(760.48mm)
-2.30"
(-58.42mm)
20th Driest Driest since: 1977 1934
106th Wettest Wettest since: 1980 2019
Apr 1980–Sep 1981
18-Month
42.75"
(1,085.85mm)
46.20"
(1,173.48mm)
-3.45"
(-87.63mm)
14th Driest Driest since: 1963 1931
112th Wettest Wettest since: 1980 2019
Ties: 2000
Oct 1979–Sep 1981
24-Month
57.11"
(1,450.59mm)
59.92"
(1,521.97mm)
-2.81"
(-71.38mm)
26th Driest Driest since: 1977 1918
99th Wettest Wettest since: 1980 2020
Oct 1978–Sep 1981
36-Month
89.70"
(2,278.38mm)
89.87"
(2,282.70mm)
-0.17"
(-4.32mm)
56th Driest Driest since: 1978 1956
68th Wettest Wettest since: 1980 2019
Oct 1977–Sep 1981
48-Month
121.37"
(3,082.80mm)
119.78"
(3,042.41mm)
1.59"
(40.39mm)
73rd Driest Driest since: 1980 1956
50th Wettest Wettest since: 1976 2019
Oct 1976–Sep 1981
60-Month
148.95"
(3,783.33mm)
149.66"
(3,801.36mm)
-0.71"
(-18.03mm)
55th Driest Driest since: 1971 1956
67th Wettest Wettest since: 1980 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on March 2, 2021 from https://www.ncdc.noaa.gov/cag/