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


Contiguous U.S.

Precipitation Rankings, September 1986

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1986
1-Month
3.59"
(91.19mm)
2.49"
(63.25mm)
1.10"
(27.94mm)
126th Driest Driest since: 1985 1956
1st Wettest Wettest to Date 1986
Aug–Sep 1986
2-Month
6.41"
(162.81mm)
5.11"
(129.79mm)
1.30"
(33.02mm)
123rd Driest Driest since: 1985 1956
4th Wettest Wettest since: 1977 1977
Jul–Sep 1986
3-Month
9.16"
(232.66mm)
7.88"
(200.15mm)
1.28"
(32.51mm)
120th Driest Driest since: 1985 1930
7th Wettest Wettest since: 1977 1915
Jun–Sep 1986
4-Month
12.19"
(309.63mm)
10.81"
(274.57mm)
1.38"
(35.06mm)
114th Driest Driest since: 1985 1930
13th Wettest Wettest since: 1965 1915
May–Sep 1986
5-Month
15.14"
(384.56mm)
13.72"
(348.49mm)
1.42"
(36.07mm)
111th Driest Driest since: 1985 1956
16th Wettest Wettest since: 1957 1915
Apr–Sep 1986
6-Month
17.38"
(441.45mm)
16.24"
(412.50mm)
1.14"
(28.95mm)
95th Driest Driest since: 1985 1956
32nd Wettest Wettest since: 1979 1915
Mar–Sep 1986
7-Month
19.36"
(491.74mm)
18.75"
(476.25mm)
0.61"
(15.49mm)
79th Driest Driest since: 1985 1956
48th Wettest Wettest since: 1983 1973
Feb–Sep 1986
8-Month
22.18"
(563.37mm)
20.88"
(530.35mm)
1.30"
(33.02mm)
95th Driest Driest since: 1985 1930
32nd Wettest Wettest since: 1983 2019
Jan–Sep 1986
9-Month
23.63"
(600.20mm)
23.20"
(589.28mm)
0.43"
(10.92mm)
73rd Driest Driest since: 1985 1934
54th Wettest Wettest since: 1983 2019
Ties: 1916
Dec 1985–Sep 1986
10-Month
25.09"
(637.29mm)
25.54"
(648.72mm)
-0.45"
(-11.43mm)
48th Driest Driest since: 1985 1931
78th Wettest Wettest since: 1984 2019
Nov 1985–Sep 1986
11-Month
28.63"
(727.20mm)
27.77"
(705.36mm)
0.86"
(21.84mm)
77th Driest Driest since: 1985 1934
49th Wettest Wettest since: 1984 2019
Oct 1985–Sep 1986
12-Month
31.81"
(807.97mm)
29.94"
(760.48mm)
1.87"
(47.49mm)
96th Driest Driest since: 1985 1934
30th Wettest Wettest since: 1984 2019
Apr 1985–Sep 1986
18-Month
47.60"
(1,209.04mm)
46.20"
(1,173.48mm)
1.40"
(35.56mm)
81st Driest Driest since: 1985 1931
45th Wettest Wettest since: 1984 2019
Oct 1984–Sep 1986
24-Month
62.59"
(1,589.79mm)
59.92"
(1,521.97mm)
2.67"
(67.82mm)
92nd Driest Driest since: 1982 1918
33rd Wettest Wettest since: 1985 2020
Oct 1983–Sep 1986
36-Month
94.97"
(2,412.24mm)
89.87"
(2,282.70mm)
5.10"
(129.54mm)
107th Driest Driest since: 1983 1956
17th Wettest Wettest since: 1985 2019
Oct 1982–Sep 1986
48-Month
128.84"
(3,272.54mm)
119.78"
(3,042.41mm)
9.06"
(230.13mm)
114th Driest Driest since: 1984 1956
9th Wettest Wettest since: 1985 2019
Oct 1981–Sep 1986
60-Month
161.14"
(4,092.96mm)
149.66"
(3,801.36mm)
11.48"
(291.60mm)
115th Driest Driest since: 1985 1956
7th Wettest Wettest since: 1975 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on March 6, 2021 from https://www.ncdc.noaa.gov/cag/