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


Contiguous U.S.

Precipitation Rankings, September 1918

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1918
1-Month
2.44"
(61.98mm)
2.49"
(63.25mm)
-0.05"
(-1.27mm)
52nd Driest Driest since: 1917 1956
76th Wettest Wettest since: 1915 1986
Ties: 1920, 1966, 1978, 2020
Aug–Sep 1918
2-Month
4.91"
(124.71mm)
5.11"
(129.79mm)
-0.20"
(-5.08mm)
45th Driest Driest since: 1917 1956
83rd Wettest Wettest since: 1915 1977
Jul–Sep 1918
3-Month
7.24"
(183.90mm)
7.88"
(200.15mm)
-0.64"
(-16.25mm)
24th Driest Driest since: 1917 1930
104th Wettest Wettest since: 1916 1915
Jun–Sep 1918
4-Month
9.49"
(241.05mm)
10.81"
(274.57mm)
-1.32"
(-33.52mm)
8th Driest Driest since: 1910 1930
120th Wettest Wettest since: 1917 1915
Ties: 1910
May–Sep 1918
5-Month
12.08"
(306.83mm)
13.72"
(348.49mm)
-1.64"
(-41.66mm)
11th Driest Driest since: 1910 1956
117th Wettest Wettest since: 1917 1915
Ties: 1910
Apr–Sep 1918
6-Month
14.90"
(378.46mm)
16.24"
(412.50mm)
-1.34"
(-34.04mm)
18th Driest Driest since: 1917 1956
110th Wettest Wettest since: 1916 1915
Mar–Sep 1918
7-Month
16.75"
(425.45mm)
18.75"
(476.25mm)
-2.00"
(-50.80mm)
12th Driest Driest since: 1910 1956
116th Wettest Wettest since: 1917 1973
Feb–Sep 1918
8-Month
18.47"
(469.14mm)
20.88"
(530.35mm)
-2.41"
(-61.21mm)
11th Driest Driest since: 1910 1930
117th Wettest Wettest since: 1917 2019
Jan–Sep 1918
9-Month
20.88"
(530.35mm)
23.20"
(589.28mm)
-2.32"
(-58.93mm)
10th Driest Driest since: 1910 1934
118th Wettest Wettest since: 1917 2019
Dec 1917–Sep 1918
10-Month
22.54"
(572.52mm)
25.54"
(648.72mm)
-3.00"
(-76.20mm)
8th Driest Driest since: 1910 1931
119th Wettest Wettest since: 1917 2019
Nov 1917–Sep 1918
11-Month
23.49"
(596.65mm)
27.77"
(705.36mm)
-4.28"
(-108.71mm)
3rd Driest Driest to Date 1934
124th Wettest Wettest since: 1917 2019
Oct 1917–Sep 1918
12-Month
24.87"
(631.70mm)
29.94"
(760.48mm)
-5.07"
(-128.78mm)
2nd Driest Driest to Date 1934
125th Wettest Wettest since: 1917 2019
Apr 1917–Sep 1918
18-Month
39.75"
(1,009.65mm)
46.20"
(1,173.48mm)
-6.45"
(-163.83mm)
2nd Driest Driest to Date 1931
125th Wettest Wettest since: 1917 2019
Oct 1916–Sep 1918
24-Month
52.02"
(1,321.31mm)
59.92"
(1,521.97mm)
-7.90"
(-200.66mm)
1st Driest Driest to Date 1918
125th Wettest Wettest since: 1917 2020
Oct 1915–Sep 1918
36-Month
82.23"
(2,088.64mm)
89.87"
(2,282.70mm)
-7.64"
(-194.06mm)
5th Driest Driest to Date 1956
120th Wettest Wettest since: 1917 2019
Oct 1914–Sep 1918
48-Month
114.94"
(2,919.48mm)
119.78"
(3,042.41mm)
-4.84"
(-122.93mm)
20th Driest Driest since: 1913 1956
104th Wettest Wettest since: 1917 2019
Oct 1913–Sep 1918
60-Month
144.37"
(3,667.00mm)
149.66"
(3,801.36mm)
-5.29"
(-134.36mm)
20th Driest Driest since: 1914 1956
103rd Wettest Wettest since: 1917 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2022, retrieved on January 23, 2022 from https://www.ncdc.noaa.gov/cag/