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 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1987
1-Month
2.19"
(55.63mm)
2.49"
(63.25mm)
-0.30"
(-7.62mm)
33rd Driest Driest since: 1984 1956
95th Wettest Wettest since: 1986 1986
Aug–Sep 1987
2-Month
4.93"
(125.22mm)
5.11"
(129.79mm)
-0.18"
(-4.57mm)
47th Driest Driest since: 1984 1956
81st Wettest Wettest since: 1986 1977
Ties: 1998, 2005
Jul–Sep 1987
3-Month
7.76"
(197.10mm)
7.88"
(200.15mm)
-0.12"
(-3.05mm)
51st Driest Driest since: 1984 1930
77th Wettest Wettest since: 1986 1915
Ties: 2015
Jun–Sep 1987
4-Month
10.57"
(268.48mm)
10.81"
(274.57mm)
-0.24"
(-6.09mm)
45th Driest Driest since: 1984 1930
83rd Wettest Wettest since: 1986 1915
May–Sep 1987
5-Month
13.81"
(350.77mm)
13.72"
(348.49mm)
0.09"
(2.28mm)
60th Driest Driest since: 1984 1956
68th Wettest Wettest since: 1986 1915
Apr–Sep 1987
6-Month
15.27"
(387.86mm)
16.24"
(412.50mm)
-0.97"
(-24.64mm)
28th Driest Driest since: 1980 1956
100th Wettest Wettest since: 1986 1915
Mar–Sep 1987
7-Month
17.94"
(455.68mm)
18.75"
(476.25mm)
-0.81"
(-20.57mm)
34th Driest Driest since: 1976 1956
94th Wettest Wettest since: 1986 1973
Ties: 1933
Feb–Sep 1987
8-Month
20.27"
(514.86mm)
20.88"
(530.35mm)
-0.61"
(-15.49mm)
38th Driest Driest since: 1976 1930
90th Wettest Wettest since: 1986 2019
Jan–Sep 1987
9-Month
22.44"
(569.98mm)
23.20"
(589.28mm)
-0.76"
(-19.30mm)
38th Driest Driest since: 1985 1934
90th Wettest Wettest since: 1986 2019
Ties: 1981
Dec 1986–Sep 1987
10-Month
24.44"
(620.78mm)
25.54"
(648.72mm)
-1.10"
(-27.94mm)
31st Driest Driest since: 1985 1931
96th Wettest Wettest since: 1986 2019
Nov 1986–Sep 1987
11-Month
27.38"
(695.45mm)
27.77"
(705.36mm)
-0.39"
(-9.91mm)
52nd Driest Driest since: 1985 1934
75th Wettest Wettest since: 1986 2019
Oct 1986–Sep 1987
12-Month
30.19"
(766.83mm)
29.94"
(760.48mm)
0.25"
(6.35mm)
63rd Driest Driest since: 1981 1934
64th Wettest Wettest since: 1986 2019
Apr 1986–Sep 1987
18-Month
47.57"
(1,208.28mm)
46.20"
(1,173.48mm)
1.37"
(34.80mm)
81st Driest Driest since: 1985 1931
46th Wettest Wettest since: 1986 2019
Oct 1985–Sep 1987
24-Month
62.00"
(1,574.80mm)
59.92"
(1,521.97mm)
2.08"
(52.83mm)
85th Driest Driest since: 1982 1918
41st Wettest Wettest since: 1986 2020
Oct 1984–Sep 1987
36-Month
92.78"
(2,356.61mm)
89.87"
(2,282.70mm)
2.91"
(73.91mm)
91st Driest Driest since: 1982 1956
34th Wettest Wettest since: 1986 2019
Oct 1983–Sep 1987
48-Month
125.16"
(3,179.06mm)
119.78"
(3,042.41mm)
5.38"
(136.65mm)
100th Driest Driest since: 1983 1956
24th Wettest Wettest since: 1986 2019
Oct 1982–Sep 1987
60-Month
159.03"
(4,039.36mm)
149.66"
(3,801.36mm)
9.37"
(238.00mm)
109th Driest Driest since: 1985 1956
14th Wettest Wettest since: 1986 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on November 27, 2021 from https://www.ncdc.noaa.gov/cag/