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


Contiguous U.S.

Precipitation Rankings, May 1947

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
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1947
1-Month
3.19"
(81.03mm)
2.91"
(73.91mm)
0.28"
(7.12mm)
88th Driest Driest since: 1945 1934
38th Wettest Wettest since: 1946 2019
Apr–May 1947
2-Month
6.20"
(157.48mm)
5.43"
(137.92mm)
0.77"
(19.56mm)
105th Driest Driest since: 1946 1934
21st Wettest Wettest since: 1944 1957
Mar–May 1947
3-Month
8.47"
(215.14mm)
7.94"
(201.68mm)
0.53"
(13.46mm)
95th Driest Driest since: 1946 1925
31st Wettest Wettest since: 1945 1957, 1991
Feb–May 1947
4-Month
9.50"
(241.30mm)
10.07"
(255.78mm)
-0.57"
(-14.48mm)
38th Driest Driest since: 1939 1925
88th Wettest Wettest since: 1946 2019
Jan–May 1947
5-Month
11.93"
(303.02mm)
12.39"
(314.71mm)
-0.46"
(-11.69mm)
49th Driest Driest since: 1943 1934
77th Wettest Wettest since: 1946 2019
Ties: 1951
Dec 1946–May 1947
6-Month
13.87"
(352.30mm)
14.73"
(374.14mm)
-0.86"
(-21.84mm)
37th Driest Driest since: 1939 1931
88th Wettest Wettest since: 1946 2019
Ties: 1987
Nov 1946–May 1947
7-Month
16.95"
(430.53mm)
16.96"
(430.78mm)
-0.01"
(-0.25mm)
62nd Driest Driest since: 1942 1934
63rd Wettest Wettest since: 1946 1983
Oct 1946–May 1947
8-Month
19.67"
(499.62mm)
19.13"
(485.90mm)
0.54"
(13.72mm)
77th Driest Driest since: 1946 1934
48th Wettest Wettest since: 1945 2019
Ties: 1945
Sep 1946–May 1947
9-Month
22.31"
(566.67mm)
21.62"
(549.15mm)
0.69"
(17.52mm)
82nd Driest Driest since: 1945 1934
43rd Wettest Wettest since: 1946 2019
Aug 1946–May 1947
10-Month
24.89"
(632.21mm)
24.25"
(615.95mm)
0.64"
(16.26mm)
73rd Driest Driest since: 1944 1918
52nd Wettest Wettest since: 1946 2019
Jul 1946–May 1947
11-Month
27.46"
(697.48mm)
27.03"
(686.56mm)
0.43"
(10.92mm)
69th Driest Driest since: 1945 1931
56th Wettest Wettest since: 1946 2019
Ties: 1921
Jun 1946–May 1947
12-Month
30.34"
(770.64mm)
29.95"
(760.73mm)
0.39"
(9.91mm)
67th Driest Driest since: 1945 1934
58th Wettest Wettest since: 1946 2019
Ties: 1945
Dec 1945–May 1947
18-Month
45.72"
(1,161.29mm)
44.70"
(1,135.38mm)
1.02"
(25.91mm)
78th Driest Driest since: 1944 1931
46th Wettest Wettest since: 1946 2019
Ties: 1927
Jun 1945–May 1947
24-Month
62.46"
(1,586.48mm)
59.92"
(1,521.97mm)
2.54"
(64.51mm)
93rd Driest Driest since: 1946 1931
31st Wettest Wettest since: 1946 1974
Ties: 1946
Jun 1944–May 1947
36-Month
92.80"
(2,357.12mm)
89.88"
(2,282.95mm)
2.92"
(74.17mm)
90th Driest Driest since: 1946 1955
33rd Wettest Wettest since: 1944 2019
Jun 1943–May 1947
48-Month
121.60"
(3,088.64mm)
119.78"
(3,042.41mm)
1.82"
(46.23mm)
76th Driest Driest since: 1943 1956
46th Wettest Wettest since: 1946 2019
Jun 1942–May 1947
60-Month
152.77"
(3,880.36mm)
149.64"
(3,800.86mm)
3.13"
(79.50mm)
79th Driest Driest since: 1944 1957
42nd Wettest Wettest since: 1946 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/