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


Contiguous U.S.

Precipitation Rankings, September 1949

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1949
1-Month
2.22"
(56.39mm)
2.49"
(63.25mm)
-0.27"
(-6.86mm)
37th Driest Driest since: 1948 1956
90th Wettest Wettest since: 1946 1986
Aug–Sep 1949
2-Month
4.71"
(119.63mm)
5.11"
(129.79mm)
-0.40"
(-10.16mm)
30th Driest Driest since: 1948 1956
97th Wettest Wettest since: 1946 1977
Ties: 1908
Jul–Sep 1949
3-Month
7.79"
(197.87mm)
7.88"
(200.15mm)
-0.09"
(-2.28mm)
55th Driest Driest since: 1948 1930
72nd Wettest Wettest since: 1946 1915
Ties: 1946, 1998, 2020
Jun–Sep 1949
4-Month
10.99"
(279.15mm)
10.81"
(274.57mm)
0.18"
(4.58mm)
71st Driest Driest since: 1948 1930
56th Wettest Wettest since: 1945 1915
May–Sep 1949
5-Month
13.97"
(354.84mm)
13.72"
(348.49mm)
0.25"
(6.35mm)
66th Driest Driest since: 1948 1956
61st Wettest Wettest since: 1946 1915
Apr–Sep 1949
6-Month
16.06"
(407.92mm)
16.24"
(412.50mm)
-0.18"
(-4.58mm)
52nd Driest Driest since: 1948 1956
75th Wettest Wettest since: 1947 1915
Mar–Sep 1949
7-Month
18.53"
(470.66mm)
18.75"
(476.25mm)
-0.22"
(-5.59mm)
50th Driest Driest since: 1943 1956
77th Wettest Wettest since: 1948 1973
Feb–Sep 1949
8-Month
20.93"
(531.62mm)
20.88"
(530.35mm)
0.05"
(1.27mm)
61st Driest Driest since: 1947 1930
66th Wettest Wettest since: 1948 2019
Jan–Sep 1949
9-Month
24.09"
(611.89mm)
23.20"
(589.28mm)
0.89"
(22.61mm)
85th Driest Driest since: 1948 1934
42nd Wettest Wettest since: 1945 2019
Ties: 1989
Dec 1948–Sep 1949
10-Month
26.68"
(677.67mm)
25.54"
(648.72mm)
1.14"
(28.95mm)
85th Driest Driest since: 1948 1931
41st Wettest Wettest since: 1945 2019
Nov 1948–Sep 1949
11-Month
30.07"
(763.78mm)
27.77"
(705.36mm)
2.30"
(58.42mm)
108th Driest Driest since: 1948 1934
18th Wettest Wettest since: 1945 2019
Oct 1948–Sep 1949
12-Month
31.61"
(802.89mm)
29.94"
(760.48mm)
1.67"
(42.41mm)
93rd Driest Driest since: 1948 1934
33rd Wettest Wettest since: 1945 2019
Ties: 2004
Apr 1948–Sep 1949
18-Month
47.26"
(1,200.40mm)
46.20"
(1,173.48mm)
1.06"
(26.92mm)
76th Driest Driest since: 1948 1931
50th Wettest Wettest since: 1946 2019
Oct 1947–Sep 1949
24-Month
61.83"
(1,570.48mm)
59.92"
(1,521.97mm)
1.91"
(48.51mm)
83rd Driest Driest since: 1948 1918
42nd Wettest Wettest since: 1946 2020
Oct 1946–Sep 1949
36-Month
91.87"
(2,333.50mm)
89.87"
(2,282.70mm)
2.00"
(50.80mm)
81st Driest Driest since: 1948 1956
43rd Wettest Wettest since: 1947 2019
Oct 1945–Sep 1949
48-Month
122.16"
(3,102.86mm)
119.78"
(3,042.41mm)
2.38"
(60.45mm)
80th Driest Driest since: 1947 1956
43rd Wettest Wettest since: 1948 2019
Oct 1944–Sep 1949
60-Month
154.33"
(3,919.98mm)
149.66"
(3,801.36mm)
4.67"
(118.62mm)
94th Driest Driest since: 1948 1956
28th Wettest Wettest since: 1945 2020

Citing This Page

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