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 1917

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1917
1-Month
2.64"
(67.06mm)
2.91"
(73.91mm)
-0.27"
(-6.85mm)
35th Driest Driest since: 1914 1934
93rd Wettest Wettest since: 1916 2019
Ties: 2002
Apr–May 1917
2-Month
5.32"
(135.13mm)
5.43"
(137.92mm)
-0.11"
(-2.79mm)
60th Driest Driest since: 1916 1934
68th Wettest Wettest since: 1915 1957
Ties: 1909
Mar–May 1917
3-Month
7.80"
(198.12mm)
7.94"
(201.68mm)
-0.14"
(-3.56mm)
58th Driest Driest since: 1916 1925
70th Wettest Wettest since: 1912 1957, 1991
Feb–May 1917
4-Month
9.61"
(244.09mm)
10.07"
(255.78mm)
-0.46"
(-11.69mm)
43rd Driest Driest since: 1916 1925
85th Wettest Wettest since: 1915 2019
Ties: 1901, 1955
Jan–May 1917
5-Month
11.80"
(299.72mm)
12.39"
(314.71mm)
-0.59"
(-14.99mm)
44th Driest Driest since: 1914 1934
84th Wettest Wettest since: 1916 2019
Dec 1916–May 1917
6-Month
13.98"
(355.09mm)
14.73"
(374.14mm)
-0.75"
(-19.05mm)
44th Driest Driest since: 1914 1931
83rd Wettest Wettest since: 1916 2019
Nov 1916–May 1917
7-Month
15.49"
(393.45mm)
16.96"
(430.78mm)
-1.47"
(-37.33mm)
19th Driest Driest since: 1911 1934
108th Wettest Wettest since: 1916 1983
Oct 1916–May 1917
8-Month
17.59"
(446.79mm)
19.13"
(485.90mm)
-1.54"
(-39.11mm)
24th Driest Driest since: 1911 1934
103rd Wettest Wettest since: 1916 2019
Sep 1916–May 1917
9-Month
19.57"
(497.08mm)
21.62"
(549.15mm)
-2.05"
(-52.07mm)
17th Driest Driest since: 1911 1934
110th Wettest Wettest since: 1916 2019
Aug 1916–May 1917
10-Month
22.10"
(561.34mm)
24.25"
(615.95mm)
-2.15"
(-54.61mm)
17th Driest Driest since: 1911 1918
110th Wettest Wettest since: 1916 2019
Jul 1916–May 1917
11-Month
25.32"
(643.13mm)
27.03"
(686.56mm)
-1.71"
(-43.43mm)
26th Driest Driest since: 1911 1931
101st Wettest Wettest since: 1916 2019
Jun 1916–May 1917
12-Month
28.56"
(725.42mm)
29.95"
(760.73mm)
-1.39"
(-35.31mm)
35th Driest Driest since: 1911 1934
92nd Wettest Wettest since: 1916 2019
Dec 1915–May 1917
18-Month
43.85"
(1,113.79mm)
44.70"
(1,135.38mm)
-0.85"
(-21.59mm)
43rd Driest Driest since: 1914 1931
83rd Wettest Wettest since: 1916 2019
Jun 1915–May 1917
24-Month
60.75"
(1,543.05mm)
59.92"
(1,521.97mm)
0.83"
(21.08mm)
70th Driest Driest since: 1915 1931
56th Wettest Wettest since: 1916 2020
Jun 1914–May 1917
36-Month
91.16"
(2,315.46mm)
89.88"
(2,282.95mm)
1.28"
(32.51mm)
75th Driest Driest since: 1915 1955
50th Wettest Wettest since: 1916 2019
Jun 1913–May 1917
48-Month
120.32"
(3,056.13mm)
119.78"
(3,042.41mm)
0.54"
(13.72mm)
59th Driest Driest since: 1914 1956
65th Wettest Wettest since: 1916 2019
Jun 1912–May 1917
60-Month
149.65"
(3,801.11mm)
149.64"
(3,800.86mm)
0.01"
(0.25mm)
59th Driest Driest since: 1915 1957
64th Wettest Wettest since: 1916 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 8, 2021 from https://www.ncdc.noaa.gov/cag/