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 2021. For more information, please see Climatological Rankings.


West Climate Region

Precipitation Rankings, May 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1939
1-Month
0.90"
(22.86mm)
0.92"
(23.37mm)
-0.02"
(-0.51mm)
74th Driest Driest since: 1938 1924
54th Wettest Wettest since: 1938 1998
Ties: 1938, 1988
Apr–May 1939
2-Month
1.66"
(42.16mm)
2.26"
(57.40mm)
-0.60"
(-15.24mm)
42nd Driest Driest since: 1937 1909
86th Wettest Wettest since: 1938 1896
Mar–May 1939
3-Month
3.64"
(92.46mm)
4.59"
(116.59mm)
-0.95"
(-24.13mm)
45th Driest Driest since: 1936 2008
83rd Wettest Wettest since: 1938 1995
Feb–May 1939
4-Month
5.13"
(130.30mm)
7.31"
(185.67mm)
-2.18"
(-55.37mm)
30th Driest Driest since: 1934 1997
98th Wettest Wettest since: 1938 1998
Jan–May 1939
5-Month
7.35"
(186.69mm)
10.29"
(261.37mm)
-2.94"
(-74.68mm)
27th Driest Driest since: 1934 2013
101st Wettest Wettest since: 1938 1998
Dec 1938–May 1939
6-Month
9.22"
(234.19mm)
12.84"
(326.14mm)
-3.62"
(-91.95mm)
23rd Driest Driest since: 1934 1924
104th Wettest Wettest since: 1938 1995
Nov 1938–May 1939
7-Month
10.23"
(259.84mm)
14.71"
(373.63mm)
-4.48"
(-113.79mm)
18th Driest Driest since: 1934 1977
109th Wettest Wettest since: 1938 1995
Oct 1938–May 1939
8-Month
11.76"
(298.70mm)
15.74"
(399.80mm)
-3.98"
(-101.10mm)
25th Driest Driest since: 1934 1977
102nd Wettest Wettest since: 1938 1983
Ties: 2015
Sep 1938–May 1939
9-Month
12.12"
(307.85mm)
16.23"
(412.24mm)
-4.11"
(-104.39mm)
20th Driest Driest since: 1934 2021
107th Wettest Wettest since: 1938 1983
Aug 1938–May 1939
10-Month
12.47"
(316.74mm)
16.62"
(422.15mm)
-4.15"
(-105.41mm)
23rd Driest Driest since: 1934 2021
104th Wettest Wettest since: 1938 1983
Ties: 1950
Jul 1938–May 1939
11-Month
12.92"
(328.17mm)
16.95"
(430.53mm)
-4.03"
(-102.36mm)
25th Driest Driest since: 1934 2021
102nd Wettest Wettest since: 1938 1983
Jun 1938–May 1939
12-Month
13.39"
(340.11mm)
17.44"
(442.98mm)
-4.05"
(-102.87mm)
27th Driest Driest since: 1934 2021
100th Wettest Wettest since: 1938 1983
Dec 1937–May 1939
18-Month
33.33"
(846.58mm)
30.25"
(768.35mm)
3.08"
(78.23mm)
91st Driest Driest since: 1937 1977
35th Wettest Wettest since: 1938 1983
Jun 1937–May 1939
24-Month
38.25"
(971.55mm)
34.89"
(886.21mm)
3.36"
(85.34mm)
96th Driest Driest since: 1937 2021
30th Wettest Wettest since: 1938 1983
Jun 1936–May 1939
36-Month
57.13"
(1,451.10mm)
52.30"
(1,328.42mm)
4.83"
(122.68mm)
93rd Driest Driest since: 1937 2014
32nd Wettest Wettest since: 1938 1984
Jun 1935–May 1939
48-Month
73.56"
(1,868.42mm)
69.56"
(1,766.82mm)
4.00"
(101.60mm)
90th Driest Driest since: 1937 2015
34th Wettest Wettest since: 1938 1998
Jun 1934–May 1939
60-Month
93.50"
(2,374.90mm)
86.83"
(2,205.48mm)
6.67"
(169.42mm)
96th Driest Driest since: 1938 1933
27th Wettest Wettest since: 1911 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on December 4, 2021 from https://www.ncdc.noaa.gov/cag/