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


Contiguous U.S.

Precipitation Rankings, May 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1987
1-Month
3.24"
(82.30mm)
2.91"
(73.91mm)
0.33"
(8.39mm)
96th Driest Driest since: 1986 1934
32nd Wettest Wettest since: 1983 2019
Ties: 1938
Apr–May 1987
2-Month
4.70"
(119.38mm)
5.43"
(137.92mm)
-0.73"
(-18.54mm)
18th Driest Driest since: 1985 1934
110th Wettest Wettest since: 1986 1957
Mar–May 1987
3-Month
7.37"
(187.20mm)
7.94"
(201.68mm)
-0.57"
(-14.48mm)
33rd Driest Driest since: 1986 1925
95th Wettest Wettest since: 1984 1957, 1991
Feb–May 1987
4-Month
9.70"
(246.38mm)
10.07"
(255.78mm)
-0.37"
(-9.40mm)
53rd Driest Driest since: 1985 1925
75th Wettest Wettest since: 1986 2019
Ties: 1970
Jan–May 1987
5-Month
11.87"
(301.50mm)
12.39"
(314.71mm)
-0.52"
(-13.21mm)
47th Driest Driest since: 1986 1934
81st Wettest Wettest since: 1984 2019
Dec 1986–May 1987
6-Month
13.87"
(352.30mm)
14.73"
(374.14mm)
-0.86"
(-21.84mm)
38th Driest Driest since: 1986 1931
89th Wettest Wettest since: 1984 2019
Ties: 1947
Nov 1986–May 1987
7-Month
16.81"
(426.97mm)
16.96"
(430.78mm)
-0.15"
(-3.81mm)
61st Driest Driest since: 1986 1934
66th Wettest Wettest since: 1984 1983
Oct 1986–May 1987
8-Month
19.62"
(498.35mm)
19.13"
(485.90mm)
0.49"
(12.45mm)
76th Driest Driest since: 1986 1934
51st Wettest Wettest since: 1986 2019
Ties: 1946, 1986
Sep 1986–May 1987
9-Month
23.21"
(589.53mm)
21.62"
(549.15mm)
1.59"
(40.38mm)
103rd Driest Driest since: 1986 1934
24th Wettest Wettest since: 1984 2019
Ties: 1919, 1999
Aug 1986–May 1987
10-Month
26.03"
(661.16mm)
24.25"
(615.95mm)
1.78"
(45.21mm)
102nd Driest Driest since: 1986 1918
25th Wettest Wettest since: 1984 2019
Jul 1986–May 1987
11-Month
28.78"
(731.01mm)
27.03"
(686.56mm)
1.75"
(44.45mm)
101st Driest Driest since: 1986 1931
26th Wettest Wettest since: 1984 2019
Jun 1986–May 1987
12-Month
31.81"
(807.97mm)
29.95"
(760.73mm)
1.86"
(47.24mm)
97th Driest Driest since: 1986 1934
30th Wettest Wettest since: 1984 2019
Ties: 1999
Dec 1985–May 1987
18-Month
44.71"
(1,135.63mm)
44.70"
(1,135.38mm)
0.01"
(0.25mm)
61st Driest Driest since: 1986 1931
65th Wettest Wettest since: 1985 2019
Jun 1985–May 1987
24-Month
62.70"
(1,592.58mm)
59.92"
(1,521.97mm)
2.78"
(70.61mm)
98th Driest Driest since: 1986 1931
28th Wettest Wettest since: 1984 2020
Jun 1984–May 1987
36-Month
92.31"
(2,344.67mm)
89.88"
(2,282.95mm)
2.43"
(61.72mm)
85th Driest Driest since: 1982 1955
40th Wettest Wettest since: 1986 2019
Jun 1983–May 1987
48-Month
124.25"
(3,155.95mm)
119.78"
(3,042.41mm)
4.47"
(113.54mm)
98th Driest Driest since: 1982 1956
26th Wettest Wettest since: 1986 2019
Jun 1982–May 1987
60-Month
159.72"
(4,056.89mm)
149.64"
(3,800.86mm)
10.08"
(256.03mm)
112th Driest Driest since: 1985 1957
11th Wettest Wettest since: 1986 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 16, 2021 from https://www.ncdc.noaa.gov/cag/