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 1975

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1975
1-Month
3.28"
(83.31mm)
2.91"
(73.91mm)
0.37"
(9.40mm)
99th Driest Driest since: 1974 1934
28th Wettest Wettest since: 1968 2019
Apr–May 1975
2-Month
5.95"
(151.13mm)
5.43"
(137.92mm)
0.52"
(13.21mm)
96th Driest Driest since: 1974 1934
31st Wettest Wettest since: 1973 1957
Mar–May 1975
3-Month
9.35"
(237.49mm)
7.94"
(201.68mm)
1.41"
(35.81mm)
114th Driest Driest since: 1974 1925
13th Wettest Wettest since: 1973 1957, 1991
Feb–May 1975
4-Month
11.96"
(303.78mm)
10.07"
(255.78mm)
1.89"
(48.00mm)
119th Driest Driest since: 1974 1925
8th Wettest Wettest since: 1973 2019
Jan–May 1975
5-Month
14.57"
(370.08mm)
12.39"
(314.71mm)
2.18"
(55.37mm)
118th Driest Driest since: 1974 1934
9th Wettest Wettest since: 1973 2019
Dec 1974–May 1975
6-Month
16.99"
(431.55mm)
14.73"
(374.14mm)
2.26"
(57.41mm)
117th Driest Driest since: 1974 1931
9th Wettest Wettest since: 1973 2019
Nov 1974–May 1975
7-Month
19.17"
(486.92mm)
16.96"
(430.78mm)
2.21"
(56.14mm)
111th Driest Driest since: 1972 1934
15th Wettest Wettest since: 1974 1983
Oct 1974–May 1975
8-Month
21.18"
(537.97mm)
19.13"
(485.90mm)
2.05"
(52.07mm)
110th Driest Driest since: 1972 1934
16th Wettest Wettest since: 1974 2019
Sep 1974–May 1975
9-Month
23.90"
(607.06mm)
21.62"
(549.15mm)
2.28"
(57.91mm)
109th Driest Driest since: 1972 1934
17th Wettest Wettest since: 1974 2019
Ties: 1903
Aug 1974–May 1975
10-Month
27.33"
(694.18mm)
24.25"
(615.95mm)
3.08"
(78.23mm)
116th Driest Driest since: 1974 1918
10th Wettest Wettest since: 1973 2019
Ties: 1995
Jul 1974–May 1975
11-Month
29.47"
(748.54mm)
27.03"
(686.56mm)
2.44"
(61.98mm)
108th Driest Driest since: 1972 1931
18th Wettest Wettest since: 1974 2019
Jun 1974–May 1975
12-Month
32.11"
(815.59mm)
29.95"
(760.73mm)
2.16"
(54.86mm)
100th Driest Driest since: 1972 1934
26th Wettest Wettest since: 1974 2019
Dec 1973–May 1975
18-Month
48.28"
(1,226.31mm)
44.70"
(1,135.38mm)
3.58"
(90.93mm)
111th Driest Driest since: 1972 1931
14th Wettest Wettest since: 1974 2019
Jun 1973–May 1975
24-Month
65.35"
(1,659.89mm)
59.92"
(1,521.97mm)
5.43"
(137.92mm)
114th Driest Driest since: 1972 1931
11th Wettest Wettest since: 1974 2020
Jun 1972–May 1975
36-Month
100.38"
(2,549.65mm)
89.88"
(2,282.95mm)
10.50"
(266.70mm)
121st Driest Driest since: 1974 1955
3rd Wettest Wettest to Date 2019
Jun 1971–May 1975
48-Month
130.92"
(3,325.37mm)
119.78"
(3,042.41mm)
11.14"
(282.96mm)
119th Driest Driest since: 1974 1956
4th Wettest Wettest to Date 2019
Jun 1970–May 1975
60-Month
160.09"
(4,066.29mm)
149.64"
(3,800.86mm)
10.45"
(265.43mm)
113th Driest Driest since: 1974 1957
9th 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 27, 2020 from https://www.ncdc.noaa.gov/cag/