Climate at a Glance

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


West Climate Region

Precipitation Rankings, May 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1921
1-Month
1.78"
(45.21mm)
0.92"
(23.37mm)
0.86"
(21.84mm)
113th Driest Driest since: 1920 1924
13th Wettest Wettest since: 1915 1998
Apr–May 1921
2-Month
2.43"
(61.72mm)
2.26"
(57.40mm)
0.17"
(4.32mm)
79th Driest Driest since: 1920 1909
47th Wettest Wettest since: 1917 1896
Mar–May 1921
3-Month
4.01"
(101.85mm)
4.59"
(116.59mm)
-0.58"
(-14.74mm)
60th Driest Driest since: 1919 2008
66th Wettest Wettest since: 1920 1995
Feb–May 1921
4-Month
5.40"
(137.16mm)
7.31"
(185.67mm)
-1.91"
(-48.51mm)
35th Driest Driest since: 1916 1997
91st Wettest Wettest since: 1920 1998
Ties: 1898
Jan–May 1921
5-Month
9.23"
(234.44mm)
10.29"
(261.37mm)
-1.06"
(-26.93mm)
56th Driest Driest since: 1920 2013
70th Wettest Wettest since: 1918 1998
Dec 1920–May 1921
6-Month
12.57"
(319.28mm)
12.84"
(326.14mm)
-0.27"
(-6.86mm)
68th Driest Driest since: 1920 1924
57th Wettest Wettest since: 1916 1995
Nov 1920–May 1921
7-Month
15.58"
(395.73mm)
14.71"
(373.63mm)
0.87"
(22.10mm)
78th Driest Driest since: 1920 1977
47th Wettest Wettest since: 1916 1995
Oct 1920–May 1921
8-Month
17.44"
(442.98mm)
15.74"
(399.80mm)
1.70"
(43.18mm)
87th Driest Driest since: 1920 1977
38th Wettest Wettest since: 1915 1983
Sep 1920–May 1921
9-Month
17.76"
(451.10mm)
16.23"
(412.24mm)
1.53"
(38.86mm)
85th Driest Driest since: 1920 1924
40th Wettest Wettest since: 1915 1983
Aug 1920–May 1921
10-Month
18.49"
(469.65mm)
16.62"
(422.15mm)
1.87"
(47.50mm)
87th Driest Driest since: 1920 1924
38th Wettest Wettest since: 1915 1983
Jul 1920–May 1921
11-Month
18.72"
(475.49mm)
16.95"
(430.53mm)
1.77"
(44.96mm)
87th Driest Driest since: 1920 1924
38th Wettest Wettest since: 1915 1983
Ties: 1901
Jun 1920–May 1921
12-Month
19.30"
(490.22mm)
17.44"
(442.98mm)
1.86"
(47.24mm)
90th Driest Driest since: 1920 1924
35th Wettest Wettest since: 1915 1983
Dec 1919–May 1921
18-Month
29.67"
(753.62mm)
30.25"
(768.35mm)
-0.58"
(-14.73mm)
64th Driest Driest since: 1920 1977
60th Wettest Wettest since: 1917 1983
Jun 1919–May 1921
24-Month
32.39"
(822.71mm)
34.89"
(886.21mm)
-2.50"
(-63.50mm)
45th Driest Driest since: 1920 1977
79th Wettest Wettest since: 1917 1983
Jun 1918–May 1921
36-Month
48.91"
(1,242.31mm)
52.30"
(1,328.42mm)
-3.39"
(-86.11mm)
48th Driest Driest since: 1920 2014
75th Wettest Wettest since: 1917 1984
Jun 1917–May 1921
48-Month
61.81"
(1,569.97mm)
69.56"
(1,766.82mm)
-7.75"
(-196.85mm)
27th Driest Driest since: 1920 2015
95th Wettest Wettest since: 1919 1998
Ties: 1929
Jun 1916–May 1921
60-Month
77.74"
(1,974.60mm)
86.83"
(2,205.48mm)
-9.09"
(-230.88mm)
22nd Driest Driest since: 1920 1933
99th Wettest Wettest since: 1919 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/