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 August 2022. 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
(1895-2022)
Wettest/Driest
Since
Record
May 1939
1-Month
0.90"
(22.86mm)
0.92"
(23.37mm)
-0.02"
(-0.51mm)
75th 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)
43rd 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)
46th 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)
31st 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)
28th Driest Driest since: 1934 2022
101st Wettest Wettest since: 1938 1998
Dec 1938–May 1939
6-Month
9.22"
(234.19mm)
12.84"
(326.14mm)
-3.62"
(-91.95mm)
24th 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)
19th 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)
26th 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)
21st 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)
24th 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)
26th 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)
28th 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)
92nd 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)
97th Driest Driest since: 1937 2022
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)
94th Driest Driest since: 1937 2022
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)
91st 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)
97th 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, Precipitation, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/