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, May 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1981
1-Month
3.55"
(90.17mm)
2.91"
(73.91mm)
0.64"
(16.26mm)
115th 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)
83rd 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)
62nd Driest Driest since: 1976 1925
66th Wettest Wettest since: 1980 1957, 1991
Ties: 1968
Feb–May 1981
4-Month
10.12"
(257.05mm)
10.07"
(255.78mm)
0.05"
(1.27mm)
71st Driest Driest since: 1977 1925
57th 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
115th 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
120th 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
120th 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
121st 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
116th 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
114th 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
118th 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
121st 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
109th 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
102nd Wettest Wettest since: 1980 2020
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
77th 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
44th 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
80th Wettest Wettest since: 1980 2020
Ties: 1901

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 5, 2021 from https://www.ncdc.noaa.gov/cag/