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


Contiguous U.S.

Precipitation Rankings, September 1988

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1988
1-Month
2.81"
(71.37mm)
2.49"
(63.25mm)
0.32"
(8.12mm)
100th Driest Driest since: 1987 1956
28th Wettest Wettest since: 1986 1986
Aug–Sep 1988
2-Month
5.38"
(136.65mm)
5.11"
(129.79mm)
0.27"
(6.86mm)
90th Driest Driest since: 1987 1956
38th Wettest Wettest since: 1986 1977
Ties: 1972, 2003
Jul–Sep 1988
3-Month
8.08"
(205.23mm)
7.88"
(200.15mm)
0.20"
(5.08mm)
82nd Driest Driest since: 1987 1930
46th Wettest Wettest since: 1986 1915
Jun–Sep 1988
4-Month
9.69"
(246.13mm)
10.81"
(274.57mm)
-1.12"
(-28.44mm)
17th Driest Driest since: 1983 1930
111th Wettest Wettest since: 1987 1915
May–Sep 1988
5-Month
11.76"
(298.70mm)
13.72"
(348.49mm)
-1.96"
(-49.79mm)
7th Driest Driest since: 1956 1956
121st Wettest Wettest since: 1987 1915
Apr–Sep 1988
6-Month
14.08"
(357.63mm)
16.24"
(412.50mm)
-2.16"
(-54.87mm)
8th Driest Driest since: 1956 1956
120th Wettest Wettest since: 1987 1915
Mar–Sep 1988
7-Month
16.12"
(409.45mm)
18.75"
(476.25mm)
-2.63"
(-66.80mm)
7th Driest Driest since: 1956 1956
121st Wettest Wettest since: 1987 1973
Feb–Sep 1988
8-Month
17.64"
(448.06mm)
20.88"
(530.35mm)
-3.24"
(-82.29mm)
4th Driest Driest since: 1934 1930
124th Wettest Wettest since: 1987 2019
Jan–Sep 1988
9-Month
19.61"
(498.09mm)
23.20"
(589.28mm)
-3.59"
(-91.19mm)
3rd Driest Driest since: 1934 1934
125th Wettest Wettest since: 1987 2019
Dec 1987–Sep 1988
10-Month
22.48"
(570.99mm)
25.54"
(648.72mm)
-3.06"
(-77.73mm)
7th Driest Driest since: 1963 1931
120th Wettest Wettest since: 1987 2019
Nov 1987–Sep 1988
11-Month
25.03"
(635.76mm)
27.77"
(705.36mm)
-2.74"
(-69.60mm)
11th Driest Driest since: 1963 1934
116th Wettest Wettest since: 1987 2019
Oct 1987–Sep 1988
12-Month
26.18"
(664.97mm)
29.94"
(760.48mm)
-3.76"
(-95.51mm)
6th Driest Driest since: 1954 1934
121st Wettest Wettest since: 1987 2019
Apr 1987–Sep 1988
18-Month
41.45"
(1,052.83mm)
46.20"
(1,173.48mm)
-4.75"
(-120.65mm)
6th Driest Driest since: 1954 1931
121st Wettest Wettest since: 1987 2019
Oct 1986–Sep 1988
24-Month
56.37"
(1,431.80mm)
59.92"
(1,521.97mm)
-3.55"
(-90.17mm)
20th Driest Driest since: 1977 1918
106th Wettest Wettest since: 1987 2020
Oct 1985–Sep 1988
36-Month
88.18"
(2,239.77mm)
89.87"
(2,282.70mm)
-1.69"
(-42.93mm)
40th Driest Driest since: 1978 1956
85th Wettest Wettest since: 1987 2019
Oct 1984–Sep 1988
48-Month
118.96"
(3,021.58mm)
119.78"
(3,042.41mm)
-0.82"
(-20.83mm)
52nd Driest Driest since: 1969 1956
72nd Wettest Wettest since: 1987 2019
Oct 1983–Sep 1988
60-Month
151.34"
(3,844.04mm)
149.66"
(3,801.36mm)
1.68"
(42.68mm)
69th Driest Driest since: 1981 1956
54th Wettest Wettest since: 1987 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 1, 2021 from https://www.ncdc.noaa.gov/cag/