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 2019

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 2019
1-Month
2.45"
(62.23mm)
2.49"
(63.25mm)
-0.04"
(-1.02mm)
56th Driest Driest since: 2017 1956
71st Wettest Wettest since: 2018 1986
Ties: 1938, 1976, 1982, 2001
Aug–Sep 2019
2-Month
5.23"
(132.84mm)
5.11"
(129.79mm)
0.12"
(3.05mm)
78th Driest Driest since: 2015 1956
49th Wettest Wettest since: 2018 1977
Ties: 1992, 2009
Jul–Sep 2019
3-Month
7.99"
(202.95mm)
7.88"
(200.15mm)
0.11"
(2.80mm)
73rd Driest Driest since: 2015 1930
54th Wettest Wettest since: 2018 1915
Jun–Sep 2019
4-Month
11.36"
(288.54mm)
10.81"
(274.57mm)
0.55"
(13.97mm)
91st Driest Driest since: 2015 1930
36th Wettest Wettest since: 2018 1915
May–Sep 2019
5-Month
15.83"
(402.08mm)
13.72"
(348.49mm)
2.11"
(53.59mm)
124th Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2004 1915
Apr–Sep 2019
6-Month
19.04"
(483.62mm)
16.24"
(412.50mm)
2.80"
(71.12mm)
125th Driest Driest since: 2018 1956
2nd Wettest Wettest since: 1915 1915
Mar–Sep 2019
7-Month
21.28"
(540.51mm)
18.75"
(476.25mm)
2.53"
(64.26mm)
122nd Driest Driest since: 2018 1956
5th Wettest Wettest since: 1973 1973
Feb–Sep 2019
8-Month
24.56"
(623.82mm)
20.88"
(530.35mm)
3.68"
(93.47mm)
126th Driest Driest since: 2018 1930
1st Wettest Wettest to Date 2019
Jan–Sep 2019
9-Month
27.12"
(688.85mm)
23.20"
(589.28mm)
3.92"
(99.57mm)
126th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Dec 2018–Sep 2019
10-Month
30.37"
(771.40mm)
25.54"
(648.72mm)
4.83"
(122.68mm)
125th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Nov 2018–Sep 2019
11-Month
33.08"
(840.23mm)
27.77"
(705.36mm)
5.31"
(134.87mm)
125th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Oct 2018–Sep 2019
12-Month
36.51"
(927.35mm)
29.94"
(760.48mm)
6.57"
(166.87mm)
125th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Apr 2018–Sep 2019
18-Month
54.55"
(1,385.57mm)
46.20"
(1,173.48mm)
8.35"
(212.09mm)
125th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Oct 2017–Sep 2019
24-Month
67.58"
(1,716.53mm)
59.92"
(1,521.97mm)
7.66"
(194.56mm)
121st Driest Driest since: 2018 1918
4th Wettest Wettest since: 2017 2020
Oct 2016–Sep 2019
36-Month
100.94"
(2,563.88mm)
89.87"
(2,282.70mm)
11.07"
(281.18mm)
123rd Driest Driest since: 2018 1956
1st Wettest Wettest to Date 2019
Oct 2015–Sep 2019
48-Month
135.81"
(3,449.57mm)
119.78"
(3,042.41mm)
16.03"
(407.16mm)
122nd Driest Driest since: 2018 1956
1st Wettest Wettest to Date 2019
Oct 2014–Sep 2019
60-Month
167.22"
(4,247.39mm)
149.66"
(3,801.36mm)
17.56"
(446.03mm)
120th Driest Driest since: 2018 1956
2nd Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published April 2021, retrieved on April 18, 2021 from https://www.ncdc.noaa.gov/cag/