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 August 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1990

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1990
1-Month
3.83"
(97.28mm)
2.91"
(73.91mm)
0.92"
(23.37mm)
119th Driest Driest since: 1989 1934
7th Wettest Wettest since: 1957 2019
Apr–May 1990
2-Month
6.32"
(160.53mm)
5.43"
(137.92mm)
0.89"
(22.61mm)
112th Driest Driest since: 1989 1934
14th Wettest Wettest since: 1983 1957
Mar–May 1990
3-Month
9.03"
(229.36mm)
7.94"
(201.68mm)
1.09"
(27.68mm)
106th Driest Driest since: 1989 1925
20th Wettest Wettest since: 1983 1957, 1991
Feb–May 1990
4-Month
11.71"
(297.43mm)
10.07"
(255.78mm)
1.64"
(41.65mm)
112th Driest Driest since: 1989 1925
14th Wettest Wettest since: 1983 2019
Jan–May 1990
5-Month
14.50"
(368.30mm)
12.39"
(314.71mm)
2.11"
(53.59mm)
116th Driest Driest since: 1989 1934
10th Wettest Wettest since: 1983 2019
Dec 1989–May 1990
6-Month
15.84"
(402.34mm)
14.73"
(374.14mm)
1.11"
(28.20mm)
101st Driest Driest since: 1989 1931
24th Wettest Wettest since: 1983 2019
Ties: 2011
Nov 1989–May 1990
7-Month
17.57"
(446.28mm)
16.96"
(430.78mm)
0.61"
(15.50mm)
82nd Driest Driest since: 1989 1934
43rd Wettest Wettest since: 1984 1983
Oct 1989–May 1990
8-Month
19.46"
(494.28mm)
19.13"
(485.90mm)
0.33"
(8.38mm)
71st Driest Driest since: 1989 1934
54th Wettest Wettest since: 1987 2019
Ties: 2007
Sep 1989–May 1990
9-Month
22.14"
(562.36mm)
21.62"
(549.15mm)
0.52"
(13.21mm)
75th Driest Driest since: 1989 1934
50th Wettest Wettest since: 1987 2019
Aug 1989–May 1990
10-Month
24.87"
(631.70mm)
24.25"
(615.95mm)
0.62"
(15.75mm)
72nd Driest Driest since: 1989 1918
53rd Wettest Wettest since: 1987 2019
Jul 1989–May 1990
11-Month
27.73"
(704.34mm)
27.03"
(686.56mm)
0.70"
(17.78mm)
79th Driest Driest since: 1989 1931
46th Wettest Wettest since: 1987 2019
Ties: 1949
Jun 1989–May 1990
12-Month
31.53"
(800.86mm)
29.95"
(760.73mm)
1.58"
(40.13mm)
90th Driest Driest since: 1989 1934
35th Wettest Wettest since: 1987 2019
Dec 1988–May 1990
18-Month
45.24"
(1,149.10mm)
44.70"
(1,135.38mm)
0.54"
(13.72mm)
69th Driest Driest since: 1989 1931
55th Wettest Wettest since: 1985 2019
Ties: 1970
Jun 1988–May 1990
24-Month
59.53"
(1,512.06mm)
59.92"
(1,521.97mm)
-0.39"
(-9.91mm)
52nd Driest Driest since: 1989 1931
72nd Wettest Wettest since: 1987 1974
Jun 1987–May 1990
36-Month
86.59"
(2,199.39mm)
89.88"
(2,282.95mm)
-3.29"
(-83.56mm)
27th Driest Driest since: 1968 1955
96th Wettest Wettest since: 1989 2019
Jun 1986–May 1990
48-Month
118.40"
(3,007.36mm)
119.78"
(3,042.41mm)
-1.38"
(-35.05mm)
48th Driest Driest since: 1989 1956
74th Wettest Wettest since: 1988 2019
Jun 1985–May 1990
60-Month
149.29"
(3,791.97mm)
149.64"
(3,800.86mm)
-0.35"
(-8.89mm)
57th Driest Driest since: 1989 1957
64th Wettest Wettest since: 1988 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/