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 September 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1973

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1973
1-Month
3.03"
(76.96mm)
2.91"
(73.91mm)
0.12"
(3.05mm)
77th Driest Driest since: 1972 1934
50th Wettest Wettest since: 1968 2019
Apr–May 1973
2-Month
6.36"
(161.54mm)
5.43"
(137.92mm)
0.93"
(23.62mm)
114th Driest Driest since: 1972 1934
13th Wettest Wettest since: 1957 1957
Mar–May 1973
3-Month
10.36"
(263.14mm)
7.94"
(201.68mm)
2.42"
(61.46mm)
123rd Driest Driest since: 1972 1925
4th Wettest Wettest since: 1957 1957, 1991
Feb–May 1973
4-Month
12.32"
(312.93mm)
10.07"
(255.78mm)
2.25"
(57.15mm)
123rd Driest Driest since: 1972 1925
4th Wettest Wettest since: 1957 2019
Jan–May 1973
5-Month
14.80"
(375.92mm)
12.39"
(314.71mm)
2.41"
(61.21mm)
121st Driest Driest since: 1972 1934
6th Wettest Wettest to Date 2019
Dec 1972–May 1973
6-Month
17.82"
(452.63mm)
14.73"
(374.14mm)
3.09"
(78.49mm)
123rd Driest Driest since: 1972 1931
3rd Wettest Wettest to Date 2019
Nov 1972–May 1973
7-Month
20.87"
(530.10mm)
16.96"
(430.78mm)
3.91"
(99.32mm)
123rd Driest Driest since: 1972 1934
3rd Wettest Wettest to Date 1983
Oct 1972–May 1973
8-Month
23.62"
(599.95mm)
19.13"
(485.90mm)
4.49"
(114.05mm)
123rd Driest Driest since: 1972 1934
3rd Wettest Wettest to Date 2019
Sep 1972–May 1973
9-Month
26.36"
(669.54mm)
21.62"
(549.15mm)
4.74"
(120.39mm)
123rd Driest Driest since: 1972 1934
3rd Wettest Wettest to Date 2019
Aug 1972–May 1973
10-Month
29.00"
(736.60mm)
24.25"
(615.95mm)
4.75"
(120.65mm)
123rd Driest Driest since: 1972 1918
3rd Wettest Wettest to Date 2019
Jul 1972–May 1973
11-Month
31.93"
(811.02mm)
27.03"
(686.56mm)
4.90"
(124.46mm)
123rd Driest Driest since: 1972 1931
3rd Wettest Wettest to Date 2019
Jun 1972–May 1973
12-Month
35.03"
(889.76mm)
29.95"
(760.73mm)
5.08"
(129.03mm)
123rd Driest Driest since: 1972 1934
3rd Wettest Wettest to Date 2019
Dec 1971–May 1973
18-Month
49.70"
(1,262.38mm)
44.70"
(1,135.38mm)
5.00"
(127.00mm)
116th Driest Driest since: 1972 1931
9th Wettest Wettest to Date 2019
Jun 1971–May 1973
24-Month
65.57"
(1,665.48mm)
59.92"
(1,521.97mm)
5.65"
(143.51mm)
116th Driest Driest since: 1972 1931
9th Wettest Wettest to Date 2020
Jun 1970–May 1973
36-Month
94.74"
(2,406.40mm)
89.88"
(2,282.95mm)
4.86"
(123.45mm)
104th Driest Driest since: 1972 1955
20th Wettest Wettest since: 1929 2019
Jun 1969–May 1973
48-Month
124.77"
(3,169.16mm)
119.78"
(3,042.41mm)
4.99"
(126.75mm)
99th Driest Driest since: 1972 1956
24th Wettest Wettest since: 1909 2019
Jun 1968–May 1973
60-Month
155.95"
(3,961.13mm)
149.64"
(3,800.86mm)
6.31"
(160.27mm)
101st Driest Driest since: 1972 1957
21st Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2020, retrieved on October 25, 2020 from https://www.ncdc.noaa.gov/cag/