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


Contiguous U.S.

Precipitation Rankings, May 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1991
1-Month
3.72"
(94.49mm)
2.91"
(73.91mm)
0.81"
(20.58mm)
116th Driest Driest since: 1989 1934
10th Wettest Wettest since: 1990 2019
Ties: 1935
Apr–May 1991
2-Month
7.07"
(179.58mm)
5.43"
(137.92mm)
1.64"
(41.66mm)
122nd Driest Driest since: 1990 1934
4th Wettest Wettest since: 1957 1957
Mar–May 1991
3-Month
10.40"
(264.16mm)
7.94"
(201.68mm)
2.46"
(62.48mm)
125th Driest Driest since: 1990 1925
1st Wettest Wettest since: 1957 1957, 1991
Ties: 1957
Feb–May 1991
4-Month
12.04"
(305.82mm)
10.07"
(255.78mm)
1.97"
(50.04mm)
120th Driest Driest since: 1990 1925
6th Wettest Wettest since: 1983 2019
Jan–May 1991
5-Month
14.41"
(366.01mm)
12.39"
(314.71mm)
2.02"
(51.30mm)
115th Driest Driest since: 1989 1934
11th Wettest Wettest since: 1990 2019
Dec 1990–May 1991
6-Month
17.10"
(434.34mm)
14.73"
(374.14mm)
2.37"
(60.20mm)
118th Driest Driest since: 1990 1931
7th Wettest Wettest since: 1983 2019
Nov 1990–May 1991
7-Month
19.19"
(487.43mm)
16.96"
(430.78mm)
2.23"
(56.65mm)
111th Driest Driest since: 1990 1934
14th Wettest Wettest since: 1984 1983
Oct 1990–May 1991
8-Month
21.95"
(557.53mm)
19.13"
(485.90mm)
2.82"
(71.63mm)
116th Driest Driest since: 1990 1934
9th Wettest Wettest since: 1984 2019
Sep 1990–May 1991
9-Month
23.99"
(609.35mm)
21.62"
(549.15mm)
2.37"
(60.20mm)
109th Driest Driest since: 1990 1934
16th Wettest Wettest since: 1984 2019
Aug 1990–May 1991
10-Month
26.64"
(676.66mm)
24.25"
(615.95mm)
2.39"
(60.71mm)
107th Driest Driest since: 1990 1918
18th Wettest Wettest since: 1984 2019
Jul 1990–May 1991
11-Month
29.58"
(751.33mm)
27.03"
(686.56mm)
2.55"
(64.77mm)
108th Driest Driest since: 1990 1931
17th Wettest Wettest since: 1983 2019
Jun 1990–May 1991
12-Month
32.08"
(814.83mm)
29.95"
(760.73mm)
2.13"
(54.10mm)
99th Driest Driest since: 1990 1934
26th Wettest Wettest since: 1983 2019
Dec 1989–May 1991
18-Month
47.92"
(1,217.17mm)
44.70"
(1,135.38mm)
3.22"
(81.79mm)
106th Driest Driest since: 1990 1931
18th Wettest Wettest since: 1984 2019
Jun 1989–May 1991
24-Month
63.61"
(1,615.69mm)
59.92"
(1,521.97mm)
3.69"
(93.72mm)
103rd Driest Driest since: 1990 1931
21st Wettest Wettest since: 1984 1974
Jun 1988–May 1991
36-Month
91.61"
(2,326.89mm)
89.88"
(2,282.95mm)
1.73"
(43.94mm)
80th Driest Driest since: 1990 1955
43rd Wettest Wettest since: 1987 2019
Jun 1987–May 1991
48-Month
118.67"
(3,014.22mm)
119.78"
(3,042.41mm)
-1.11"
(-28.19mm)
49th Driest Driest since: 1990 1956
73rd Wettest Wettest since: 1988 2019
Jun 1986–May 1991
60-Month
150.48"
(3,822.19mm)
149.64"
(3,800.86mm)
0.84"
(21.33mm)
63rd Driest Driest since: 1990 1957
58th Wettest Wettest since: 1988 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 17, 2019 from https://www.ncdc.noaa.gov/cag/