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 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1981
1-Month
3.55"
(90.17mm)
2.91"
(73.91mm)
0.64"
(16.26mm)
113th Driest Driest since: 1980 1934
13th Wettest Wettest since: 1978 2019
Apr–May 1981
2-Month
5.74"
(145.80mm)
5.43"
(137.92mm)
0.31"
(7.88mm)
81st Driest Driest since: 1980 1934
45th Wettest Wettest since: 1979 1957
Mar–May 1981
3-Month
7.95"
(201.93mm)
7.94"
(201.68mm)
0.01"
(0.25mm)
61st Driest Driest since: 1976 1925
65th Wettest Wettest since: 1980 1957, 1991
Ties: 1968, 2018
Feb–May 1981
4-Month
10.12"
(257.05mm)
10.07"
(255.78mm)
0.05"
(1.27mm)
70th Driest Driest since: 1977 1925
56th Wettest Wettest since: 1980 2019
Jan–May 1981
5-Month
11.10"
(281.94mm)
12.39"
(314.71mm)
-1.29"
(-32.77mm)
13th Driest Driest since: 1977 1934
113th Wettest Wettest since: 1980 2019
Ties: 1911
Dec 1980–May 1981
6-Month
12.67"
(321.82mm)
14.73"
(374.14mm)
-2.06"
(-52.32mm)
7th Driest Driest since: 1977 1931
118th Wettest Wettest since: 1980 2019
Nov 1980–May 1981
7-Month
14.43"
(366.52mm)
16.96"
(430.78mm)
-2.53"
(-64.26mm)
7th Driest Driest since: 1977 1934
118th Wettest Wettest since: 1980 1983
Oct 1980–May 1981
8-Month
16.30"
(414.02mm)
19.13"
(485.90mm)
-2.83"
(-71.88mm)
6th Driest Driest since: 1977 1934
119th Wettest Wettest since: 1980 2019
Sep 1980–May 1981
9-Month
19.09"
(484.89mm)
21.62"
(549.15mm)
-2.53"
(-64.26mm)
11th Driest Driest since: 1977 1934
114th Wettest Wettest since: 1980 2019
Aug 1980–May 1981
10-Month
21.66"
(550.16mm)
24.25"
(615.95mm)
-2.59"
(-65.79mm)
13th Driest Driest since: 1977 1918
112th Wettest Wettest since: 1980 2019
Ties: 1955
Jul 1980–May 1981
11-Month
23.63"
(600.20mm)
27.03"
(686.56mm)
-3.40"
(-86.36mm)
9th Driest Driest since: 1977 1931
116th Wettest Wettest since: 1980 2019
Jun 1980–May 1981
12-Month
25.94"
(658.88mm)
29.95"
(760.73mm)
-4.01"
(-101.85mm)
6th Driest Driest since: 1977 1934
119th Wettest Wettest since: 1980 2019
Dec 1979–May 1981
18-Month
41.23"
(1,047.24mm)
44.70"
(1,135.38mm)
-3.47"
(-88.14mm)
17th Driest Driest since: 1977 1931
107th Wettest Wettest since: 1980 2019
Jun 1979–May 1981
24-Month
57.11"
(1,450.59mm)
59.92"
(1,521.97mm)
-2.81"
(-71.38mm)
24th Driest Driest since: 1977 1931
100th Wettest Wettest since: 1980 1974
Jun 1978–May 1981
36-Month
88.87"
(2,257.30mm)
89.88"
(2,282.95mm)
-1.01"
(-25.65mm)
48th Driest Driest since: 1978 1955
75th Wettest Wettest since: 1980 2019
Jun 1977–May 1981
48-Month
121.85"
(3,094.99mm)
119.78"
(3,042.41mm)
2.07"
(52.58mm)
80th Driest Driest since: 1980 1956
42nd Wettest Wettest since: 1976 2019
Jun 1976–May 1981
60-Month
147.57"
(3,748.28mm)
149.64"
(3,800.86mm)
-2.07"
(-52.58mm)
43rd Driest Driest since: 1969 1957
78th Wettest Wettest since: 1980 2019
Ties: 1901

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/