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 September 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 2001

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 2001
1-Month
2.45"
(62.23mm)
2.49"
(63.25mm)
-0.04"
(-1.02mm)
56th Driest Driest since: 2000 1956
70th Wettest Wettest since: 1999 1986
Ties: 1938, 1976, 1982
Aug–Sep 2001
2-Month
4.86"
(123.44mm)
5.11"
(129.79mm)
-0.25"
(-6.35mm)
42nd Driest Driest since: 2000 1956
84th Wettest Wettest since: 1998 1977
Ties: 1995
Jul–Sep 2001
3-Month
7.58"
(192.53mm)
7.88"
(200.15mm)
-0.30"
(-7.62mm)
36th Driest Driest since: 2000 1930
90th Wettest Wettest since: 1998 1915
Jun–Sep 2001
4-Month
10.70"
(271.78mm)
10.81"
(274.57mm)
-0.11"
(-2.79mm)
54th Driest Driest since: 2000 1930
72nd Wettest Wettest since: 1999 1915
May–Sep 2001
5-Month
13.48"
(342.39mm)
13.72"
(348.49mm)
-0.24"
(-6.10mm)
48th Driest Driest since: 2000 1956
78th Wettest Wettest since: 1999 1915
Ties: 1921
Apr–Sep 2001
6-Month
15.58"
(395.73mm)
16.24"
(412.50mm)
-0.66"
(-16.77mm)
35th Driest Driest since: 2000 1956
91st Wettest Wettest since: 1999 1915
Mar–Sep 2001
7-Month
18.15"
(461.01mm)
18.75"
(476.25mm)
-0.60"
(-15.24mm)
41st Driest Driest since: 2000 1956
85th Wettest Wettest since: 1999 1973
Feb–Sep 2001
8-Month
20.36"
(517.14mm)
20.88"
(530.35mm)
-0.52"
(-13.21mm)
41st Driest Driest since: 2000 1930
85th Wettest Wettest since: 1999 2019
Jan–Sep 2001
9-Month
22.21"
(564.13mm)
23.20"
(589.28mm)
-0.99"
(-25.15mm)
31st Driest Driest since: 2000 1934
95th Wettest Wettest since: 1999 2019
Dec 2000–Sep 2001
10-Month
23.92"
(607.57mm)
25.54"
(648.72mm)
-1.62"
(-41.15mm)
24th Driest Driest since: 2000 1931
101st Wettest Wettest since: 1999 2019
Nov 2000–Sep 2001
11-Month
26.65"
(676.91mm)
27.77"
(705.36mm)
-1.12"
(-28.45mm)
31st Driest Driest since: 2000 1934
94th Wettest Wettest since: 1999 2019
Oct 2000–Sep 2001
12-Month
28.91"
(734.31mm)
29.94"
(760.48mm)
-1.03"
(-26.17mm)
35th Driest Driest since: 2000 1934
90th Wettest Wettest since: 1999 2019
Apr 2000–Sep 2001
18-Month
43.73"
(1,110.74mm)
46.20"
(1,173.48mm)
-2.47"
(-62.74mm)
22nd Driest Driest since: 2000 1931
103rd Wettest Wettest since: 1999 2019
Oct 1999–Sep 2001
24-Month
55.17"
(1,401.32mm)
59.92"
(1,521.97mm)
-4.75"
(-120.65mm)
11th Driest Driest since: 1964 1918
113th Wettest Wettest since: 2000 2017
Oct 1998–Sep 2001
36-Month
86.58"
(2,199.13mm)
89.87"
(2,282.70mm)
-3.29"
(-83.57mm)
26th Driest Driest since: 1990 1956
97th Wettest Wettest since: 2000 2019
Oct 1997–Sep 2001
48-Month
119.91"
(3,045.71mm)
119.78"
(3,042.41mm)
0.13"
(3.30mm)
58th Driest Driest since: 1991 1956
64th Wettest Wettest since: 2000 2019
Oct 1996–Sep 2001
60-Month
153.43"
(3,897.12mm)
149.66"
(3,801.36mm)
3.77"
(95.76mm)
87th Driest Driest since: 1992 1956
34th Wettest Wettest since: 2000 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/