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 July 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1970

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1970
1-Month
2.61"
(66.29mm)
2.91"
(73.91mm)
-0.30"
(-7.62mm)
33rd Driest Driest since: 1966 1934
93rd Wettest Wettest since: 1969 2019
Apr–May 1970
2-Month
5.39"
(136.91mm)
5.43"
(137.92mm)
-0.04"
(-1.01mm)
64th Driest Driest since: 1969 1934
62nd Wettest Wettest since: 1968 1957
Mar–May 1970
3-Month
8.07"
(204.98mm)
7.94"
(201.68mm)
0.13"
(3.30mm)
74th Driest Driest since: 1969 1925
52nd Wettest Wettest since: 1964 1957, 1991
Feb–May 1970
4-Month
9.70"
(246.38mm)
10.07"
(255.78mm)
-0.37"
(-9.40mm)
52nd Driest Driest since: 1969 1925
74th Wettest Wettest since: 1964 2019
Ties: 1987
Jan–May 1970
5-Month
11.79"
(299.47mm)
12.39"
(314.71mm)
-0.60"
(-15.24mm)
42nd Driest Driest since: 1968 1934
84th Wettest Wettest since: 1969 2019
Dec 1969–May 1970
6-Month
14.73"
(374.14mm)
14.73"
(374.14mm)
0.00"
(0.00mm)
61st Driest Driest since: 1968 1931
64th Wettest Wettest since: 1969 2019
Nov 1969–May 1970
7-Month
16.32"
(414.53mm)
16.96"
(430.78mm)
-0.64"
(-16.25mm)
45th Driest Driest since: 1968 1934
80th Wettest Wettest since: 1969 1983
Oct 1969–May 1970
8-Month
19.02"
(483.11mm)
19.13"
(485.90mm)
-0.11"
(-2.79mm)
58th Driest Driest since: 1968 1934
67th Wettest Wettest since: 1969 2019
Sep 1969–May 1970
9-Month
21.32"
(541.53mm)
21.62"
(549.15mm)
-0.30"
(-7.62mm)
55th Driest Driest since: 1968 1934
70th Wettest Wettest since: 1969 2019
Aug 1969–May 1970
10-Month
23.63"
(600.20mm)
24.25"
(615.95mm)
-0.62"
(-15.75mm)
44th Driest Driest since: 1968 1918
81st Wettest Wettest since: 1969 2019
Ties: 1913
Jul 1969–May 1970
11-Month
26.72"
(678.69mm)
27.03"
(686.56mm)
-0.31"
(-7.87mm)
54th Driest Driest since: 1968 1931
71st Wettest Wettest since: 1969 2019
Jun 1969–May 1970
12-Month
30.03"
(762.76mm)
29.95"
(760.73mm)
0.08"
(2.03mm)
58th Driest Driest since: 1967 1934
67th Wettest Wettest since: 1969 2019
Dec 1968–May 1970
18-Month
45.24"
(1,149.10mm)
44.70"
(1,135.38mm)
0.54"
(13.72mm)
69th Driest Driest since: 1968 1931
55th Wettest Wettest since: 1969 2019
Ties: 1990
Jun 1968–May 1970
24-Month
61.21"
(1,554.73mm)
59.92"
(1,521.97mm)
1.29"
(32.76mm)
77th Driest Driest since: 1968 1931
47th Wettest Wettest since: 1969 1974
Ties: 1949
Jun 1967–May 1970
36-Month
91.29"
(2,318.77mm)
89.88"
(2,282.95mm)
1.41"
(35.82mm)
77th Driest Driest since: 1969 1955
46th Wettest Wettest since: 1960 2019
Jun 1966–May 1970
48-Month
118.83"
(3,018.28mm)
119.78"
(3,042.41mm)
-0.95"
(-24.13mm)
51st Driest Driest since: 1969 1956
71st Wettest Wettest since: 1962 2019
Jun 1965–May 1970
60-Month
147.78"
(3,753.61mm)
149.64"
(3,800.86mm)
-1.86"
(-47.25mm)
45th Driest Driest since: 1969 1957
76th Wettest Wettest since: 1962 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 25, 2019 from https://www.ncdc.noaa.gov/cag/