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 April 2022. 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
Anomaly Rank
(1895-2021)
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
95th Wettest Wettest since: 1969 2019
Apr–May 1970
2-Month
5.39"
(136.91mm)
5.43"
(137.92mm)
-0.04"
(-1.01mm)
65th Driest Driest since: 1969 1934
63rd Wettest Wettest since: 1968 1957
Mar–May 1970
3-Month
8.07"
(204.98mm)
7.94"
(201.68mm)
0.13"
(3.30mm)
75th Driest Driest since: 1969 1925
53rd Wettest Wettest since: 1964 1957, 1991
Feb–May 1970
4-Month
9.70"
(246.38mm)
10.07"
(255.78mm)
-0.37"
(-9.40mm)
53rd Driest Driest since: 1969 1925
75th Wettest Wettest since: 1964 2019
Ties: 1987
Jan–May 1970
5-Month
11.79"
(299.47mm)
12.39"
(314.71mm)
-0.60"
(-15.24mm)
43rd Driest Driest since: 1968 1934
85th Wettest Wettest since: 1969 2019
Dec 1969–May 1970
6-Month
14.73"
(374.14mm)
14.73"
(374.14mm)
0.00"
(0.00mm)
62nd Driest Driest since: 1968 1931
65th Wettest Wettest since: 1969 2019
Nov 1969–May 1970
7-Month
16.32"
(414.53mm)
16.96"
(430.78mm)
-0.64"
(-16.25mm)
46th Driest Driest since: 1968 1934
81st Wettest Wettest since: 1969 1983
Oct 1969–May 1970
8-Month
19.02"
(483.11mm)
19.13"
(485.90mm)
-0.11"
(-2.79mm)
59th Driest Driest since: 1968 1934
68th Wettest Wettest since: 1969 2019
Sep 1969–May 1970
9-Month
21.32"
(541.53mm)
21.62"
(549.15mm)
-0.30"
(-7.62mm)
56th Driest Driest since: 1968 1934
71st Wettest Wettest since: 1969 2019
Aug 1969–May 1970
10-Month
23.63"
(600.20mm)
24.25"
(615.95mm)
-0.62"
(-15.75mm)
45th Driest Driest since: 1968 1918
82nd 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)
55th Driest Driest since: 1968 1931
72nd Wettest Wettest since: 1969 2019
Jun 1969–May 1970
12-Month
30.03"
(762.76mm)
29.95"
(760.73mm)
0.08"
(2.03mm)
59th Driest Driest since: 1967 1934
68th 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)
70th Driest Driest since: 1968 1931
56th 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)
78th Driest Driest since: 1968 1931
48th Wettest Wettest since: 1969 2020
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
48th 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
73rd 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
78th Wettest Wettest since: 1962 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2022, retrieved on May 16, 2022 from https://www.ncdc.noaa.gov/cag/