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 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1971
1-Month
2.92"
(74.17mm)
2.91"
(73.91mm)
0.01"
(0.26mm)
62nd Driest Driest since: 1970 1934
66th Wettest Wettest since: 1968 2019
Ties: 1955
Apr–May 1971
2-Month
4.78"
(121.41mm)
5.43"
(137.92mm)
-0.65"
(-16.51mm)
23rd Driest Driest since: 1966 1934
105th Wettest Wettest since: 1970 1957
Mar–May 1971
3-Month
6.86"
(174.24mm)
7.94"
(201.68mm)
-1.08"
(-27.44mm)
12th Driest Driest since: 1966 1925
116th Wettest Wettest since: 1970 1957, 1991
Ties: 1895, 1992
Feb–May 1971
4-Month
9.23"
(234.44mm)
10.07"
(255.78mm)
-0.84"
(-21.34mm)
26th Driest Driest since: 1967 1925
102nd Wettest Wettest since: 1970 2019
Jan–May 1971
5-Month
11.26"
(286.00mm)
12.39"
(314.71mm)
-1.13"
(-28.71mm)
17th Driest Driest since: 1967 1934
111th Wettest Wettest since: 1970 2019
Ties: 1992
Dec 1970–May 1971
6-Month
13.48"
(342.39mm)
14.73"
(374.14mm)
-1.25"
(-31.75mm)
22nd Driest Driest since: 1966 1931
105th Wettest Wettest since: 1970 2019
Nov 1970–May 1971
7-Month
15.68"
(398.27mm)
16.96"
(430.78mm)
-1.28"
(-32.51mm)
28th Driest Driest since: 1967 1934
99th Wettest Wettest since: 1970 1983
Oct 1970–May 1971
8-Month
18.56"
(471.42mm)
19.13"
(485.90mm)
-0.57"
(-14.48mm)
44th Driest Driest since: 1967 1934
83rd Wettest Wettest since: 1970 2019
Sep 1970–May 1971
9-Month
21.62"
(549.15mm)
21.62"
(549.15mm)
0.00"
(0.00mm)
62nd Driest Driest since: 1970 1934
65th Wettest Wettest since: 1969 2019
Aug 1970–May 1971
10-Month
23.99"
(609.35mm)
24.25"
(615.95mm)
-0.26"
(-6.60mm)
57th Driest Driest since: 1970 1918
70th Wettest Wettest since: 1969 2019
Ties: 1961
Jul 1970–May 1971
11-Month
26.40"
(670.56mm)
27.03"
(686.56mm)
-0.63"
(-16.00mm)
41st Driest Driest since: 1967 1931
86th Wettest Wettest since: 1970 2019
Ties: 1957
Jun 1970–May 1971
12-Month
29.17"
(740.92mm)
29.95"
(760.73mm)
-0.78"
(-19.81mm)
42nd Driest Driest since: 1967 1934
85th Wettest Wettest since: 1970 2019
Dec 1969–May 1971
18-Month
43.90"
(1,115.06mm)
44.70"
(1,135.38mm)
-0.80"
(-20.32mm)
44th Driest Driest since: 1968 1931
82nd Wettest Wettest since: 1970 2019
Ties: 1986
Jun 1969–May 1971
24-Month
59.20"
(1,503.68mm)
59.92"
(1,521.97mm)
-0.72"
(-18.29mm)
51st Driest Driest since: 1968 1931
75th Wettest Wettest since: 1970 2020
Jun 1968–May 1971
36-Month
90.38"
(2,295.65mm)
89.88"
(2,282.95mm)
0.50"
(12.70mm)
69th Driest Driest since: 1969 1955
56th Wettest Wettest since: 1970 2019
Ties: 1914
Jun 1967–May 1971
48-Month
120.46"
(3,059.68mm)
119.78"
(3,042.41mm)
0.68"
(17.27mm)
61st Driest Driest since: 1970 1956
63rd Wettest Wettest since: 1961 2019
Jun 1966–May 1971
60-Month
148.00"
(3,759.20mm)
149.64"
(3,800.86mm)
-1.64"
(-41.66mm)
48th Driest Driest since: 1970 1957
75th Wettest Wettest since: 1962 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 2, 2021 from https://www.ncdc.noaa.gov/cag/