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 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1971
1-Month
2.83"
(71.88mm)
2.49"
(63.25mm)
0.34"
(8.63mm)
104th Driest Driest since: 1969 1956
23rd Wettest Wettest since: 1970 1986
Ties: 1923
Aug–Sep 1971
2-Month
5.58"
(141.73mm)
5.11"
(129.79mm)
0.47"
(11.94mm)
104th Driest Driest since: 1970 1956
23rd Wettest Wettest since: 1965 1977
Ties: 1959
Jul–Sep 1971
3-Month
8.58"
(217.93mm)
7.88"
(200.15mm)
0.70"
(17.78mm)
103rd Driest Driest since: 1970 1930
24th Wettest Wettest since: 1965 1915
Jun–Sep 1971
4-Month
11.11"
(282.19mm)
10.81"
(274.57mm)
0.30"
(7.62mm)
78th Driest Driest since: 1970 1930
49th Wettest Wettest since: 1967 1915
Ties: 1998
May–Sep 1971
5-Month
14.03"
(356.36mm)
13.72"
(348.49mm)
0.31"
(7.87mm)
73rd Driest Driest since: 1970 1956
54th Wettest Wettest since: 1968 1915
Ties: 1919
Apr–Sep 1971
6-Month
15.89"
(403.61mm)
16.24"
(412.50mm)
-0.35"
(-8.89mm)
47th Driest Driest since: 1966 1956
80th Wettest Wettest since: 1970 1915
Mar–Sep 1971
7-Month
17.97"
(456.44mm)
18.75"
(476.25mm)
-0.78"
(-19.81mm)
37th Driest Driest since: 1966 1956
90th Wettest Wettest since: 1970 1973
Feb–Sep 1971
8-Month
20.34"
(516.64mm)
20.88"
(530.35mm)
-0.54"
(-13.71mm)
40th Driest Driest since: 1970 1930
87th Wettest Wettest since: 1969 2019
Jan–Sep 1971
9-Month
22.37"
(568.20mm)
23.20"
(589.28mm)
-0.83"
(-21.08mm)
34th Driest Driest since: 1966 1934
93rd Wettest Wettest since: 1970 2019
Dec 1970–Sep 1971
10-Month
24.59"
(624.59mm)
25.54"
(648.72mm)
-0.95"
(-24.13mm)
36th Driest Driest since: 1966 1931
90th Wettest Wettest since: 1970 2019
Nov 1970–Sep 1971
11-Month
26.79"
(680.47mm)
27.77"
(705.36mm)
-0.98"
(-24.89mm)
36th Driest Driest since: 1966 1934
90th Wettest Wettest since: 1970 2019
Oct 1970–Sep 1971
12-Month
29.67"
(753.62mm)
29.94"
(760.48mm)
-0.27"
(-6.86mm)
51st Driest Driest since: 1970 1934
75th Wettest Wettest since: 1969 2019
Apr 1970–Sep 1971
18-Month
45.67"
(1,160.02mm)
46.20"
(1,173.48mm)
-0.53"
(-13.46mm)
46th Driest Driest since: 1967 1931
80th Wettest Wettest since: 1970 2019
Oct 1969–Sep 1971
24-Month
59.30"
(1,506.22mm)
59.92"
(1,521.97mm)
-0.62"
(-15.75mm)
48th Driest Driest since: 1968 1918
77th Wettest Wettest since: 1970 2020
Oct 1968–Sep 1971
36-Month
90.41"
(2,296.41mm)
89.87"
(2,282.70mm)
0.54"
(13.71mm)
64th Driest Driest since: 1969 1956
60th Wettest Wettest since: 1970 2019
Oct 1967–Sep 1971
48-Month
120.10"
(3,050.54mm)
119.78"
(3,042.41mm)
0.32"
(8.13mm)
61st Driest Driest since: 1970 1956
62nd Wettest Wettest since: 1961 2019
Oct 1966–Sep 1971
60-Month
148.91"
(3,782.31mm)
149.66"
(3,801.36mm)
-0.75"
(-19.05mm)
54th Driest Driest since: 1970 1956
68th Wettest Wettest since: 1962 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published April 2021, retrieved on April 15, 2021 from https://www.ncdc.noaa.gov/cag/