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 1951

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1951
1-Month
2.57"
(65.28mm)
2.49"
(63.25mm)
0.08"
(2.03mm)
76th Driest Driest since: 1949 1956
51st Wettest Wettest since: 1950 1986
Ties: 1905, 1921
Aug–Sep 1951
2-Month
5.18"
(131.57mm)
5.11"
(129.79mm)
0.07"
(1.78mm)
68th Driest Driest since: 1949 1956
59th Wettest Wettest since: 1950 1977
Jul–Sep 1951
3-Month
8.03"
(203.96mm)
7.88"
(200.15mm)
0.15"
(3.81mm)
78th Driest Driest since: 1949 1930
49th Wettest Wettest since: 1950 1915
Ties: 1921
Jun–Sep 1951
4-Month
11.47"
(291.34mm)
10.81"
(274.57mm)
0.66"
(16.77mm)
97th Driest Driest since: 1949 1930
30th Wettest Wettest since: 1950 1915
Ties: 1967, 2003
May–Sep 1951
5-Month
13.84"
(351.54mm)
13.72"
(348.49mm)
0.12"
(3.05mm)
62nd Driest Driest since: 1948 1956
65th Wettest Wettest since: 1950 1915
Apr–Sep 1951
6-Month
16.19"
(411.23mm)
16.24"
(412.50mm)
-0.05"
(-1.27mm)
56th Driest Driest since: 1949 1956
71st Wettest Wettest since: 1950 1915
Ties: 1896, 1926, 1929
Mar–Sep 1951
7-Month
18.79"
(477.27mm)
18.75"
(476.25mm)
0.04"
(1.02mm)
59th Driest Driest since: 1949 1956
68th Wettest Wettest since: 1950 1973
Ties: 1921
Feb–Sep 1951
8-Month
21.06"
(534.92mm)
20.88"
(530.35mm)
0.18"
(4.57mm)
66th Driest Driest since: 1949 1930
61st Wettest Wettest since: 1950 2019
Ties: 1984
Jan–Sep 1951
9-Month
23.40"
(594.36mm)
23.20"
(589.28mm)
0.20"
(5.08mm)
69th Driest Driest since: 1948 1934
58th Wettest Wettest since: 1950 2019
Ties: 1969
Dec 1950–Sep 1951
10-Month
25.33"
(643.38mm)
25.54"
(648.72mm)
-0.21"
(-5.34mm)
52nd Driest Driest since: 1948 1931
74th Wettest Wettest since: 1950 2019
Ties: 1962
Nov 1950–Sep 1951
11-Month
27.43"
(696.72mm)
27.77"
(705.36mm)
-0.34"
(-8.64mm)
53rd Driest Driest since: 1947 1934
73rd Wettest Wettest since: 1950 2019
Oct 1950–Sep 1951
12-Month
29.33"
(744.98mm)
29.94"
(760.48mm)
-0.61"
(-15.50mm)
41st Driest Driest since: 1943 1934
85th Wettest Wettest since: 1950 2019
Apr 1950–Sep 1951
18-Month
46.19"
(1,173.23mm)
46.20"
(1,173.48mm)
-0.01"
(-0.25mm)
57th Driest Driest since: 1947 1931
69th Wettest Wettest since: 1950 2019
Oct 1949–Sep 1951
24-Month
60.48"
(1,536.19mm)
59.92"
(1,521.97mm)
0.56"
(14.22mm)
66th Driest Driest since: 1948 1918
59th Wettest Wettest since: 1950 2020
Oct 1948–Sep 1951
36-Month
92.09"
(2,339.09mm)
89.87"
(2,282.70mm)
2.22"
(56.39mm)
84th Driest Driest since: 1949 1956
40th Wettest Wettest since: 1950 2019
Oct 1947–Sep 1951
48-Month
122.31"
(3,106.67mm)
119.78"
(3,042.41mm)
2.53"
(64.26mm)
81st Driest Driest since: 1949 1956
42nd Wettest Wettest since: 1950 2019
Oct 1946–Sep 1951
60-Month
152.35"
(3,869.69mm)
149.66"
(3,801.36mm)
2.69"
(68.33mm)
77th Driest Driest since: 1948 1956
45th Wettest Wettest since: 1950 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on March 5, 2021 from https://www.ncdc.noaa.gov/cag/