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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1979

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1979
1-Month
3.23"
(82.04mm)
2.91"
(73.91mm)
0.32"
(8.13mm)
93rd Driest Driest since: 1977 1934
34th Wettest Wettest since: 1978 2019
Ties: 1898
Apr–May 1979
2-Month
6.30"
(160.02mm)
5.43"
(137.92mm)
0.87"
(22.10mm)
112th Driest Driest since: 1978 1934
15th Wettest Wettest since: 1973 1957
Ties: 1944
Mar–May 1979
3-Month
9.10"
(231.14mm)
7.94"
(201.68mm)
1.16"
(29.46mm)
109th Driest Driest since: 1978 1925
18th Wettest Wettest since: 1975 1957, 1991
Feb–May 1979
4-Month
11.70"
(297.18mm)
10.07"
(255.78mm)
1.63"
(41.40mm)
112th Driest Driest since: 1978 1925
15th Wettest Wettest since: 1975 2019
Ties: 2017
Jan–May 1979
5-Month
15.01"
(381.25mm)
12.39"
(314.71mm)
2.62"
(66.54mm)
123rd Driest Driest since: 1978 1934
4th Wettest Wettest to Date 2019
Dec 1978–May 1979
6-Month
17.54"
(445.52mm)
14.73"
(374.14mm)
2.81"
(71.38mm)
121st Driest Driest since: 1978 1931
5th Wettest Wettest since: 1973 2019
Nov 1978–May 1979
7-Month
20.14"
(511.56mm)
16.96"
(430.78mm)
3.18"
(80.78mm)
120th Driest Driest since: 1978 1934
6th Wettest Wettest since: 1973 1983
Oct 1978–May 1979
8-Month
21.25"
(539.75mm)
19.13"
(485.90mm)
2.12"
(53.85mm)
111th Driest Driest since: 1978 1934
15th Wettest Wettest since: 1974 2019
Sep 1978–May 1979
9-Month
23.69"
(601.73mm)
21.62"
(549.15mm)
2.07"
(52.58mm)
104th Driest Driest since: 1977 1934
22nd Wettest Wettest since: 1978 2019
Aug 1978–May 1979
10-Month
26.46"
(672.08mm)
24.25"
(615.95mm)
2.21"
(56.13mm)
105th Driest Driest since: 1977 1918
21st Wettest Wettest since: 1978 2019
Jul 1978–May 1979
11-Month
29.21"
(741.93mm)
27.03"
(686.56mm)
2.18"
(55.37mm)
104th Driest Driest since: 1977 1931
22nd Wettest Wettest since: 1978 2019
Jun 1978–May 1979
12-Month
31.76"
(806.70mm)
29.95"
(760.73mm)
1.81"
(45.97mm)
92nd Driest Driest since: 1977 1934
34th Wettest Wettest since: 1978 2019
Dec 1977–May 1979
18-Month
47.87"
(1,215.90mm)
44.70"
(1,135.38mm)
3.17"
(80.52mm)
105th Driest Driest since: 1978 1931
20th Wettest Wettest since: 1975 2019
Jun 1977–May 1979
24-Month
64.74"
(1,644.40mm)
59.92"
(1,521.97mm)
4.82"
(122.43mm)
111th Driest Driest since: 1978 1931
14th Wettest Wettest since: 1975 2020
Jun 1976–May 1979
36-Month
90.46"
(2,297.68mm)
89.88"
(2,282.95mm)
0.58"
(14.73mm)
70th Driest Driest since: 1978 1955
54th Wettest Wettest since: 1976 2019
Jun 1975–May 1979
48-Month
120.36"
(3,057.14mm)
119.78"
(3,042.41mm)
0.58"
(14.73mm)
60th Driest Driest since: 1970 1956
63rd Wettest Wettest since: 1978 2019
Jun 1974–May 1979
60-Month
152.47"
(3,872.74mm)
149.64"
(3,800.86mm)
2.83"
(71.88mm)
78th Driest Driest since: 1972 1957
44th Wettest Wettest since: 1978 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2020, retrieved on December 2, 2020 from https://www.ncdc.noaa.gov/cag/