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 2021. For more information, please see Climatological Rankings.


Northwest 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
1.32"
(33.53mm)
2.14"
(54.36mm)
-0.82"
(-20.83mm)
18th Driest Driest since: 1937 1924
110th Wettest Wettest since: 1938 1998
Ties: 1934
Apr–May 1939
2-Month
2.11"
(53.59mm)
4.50"
(114.30mm)
-2.39"
(-60.71mm)
4th Driest Driest since: 1924 1924
124th Wettest Wettest since: 1938 1996
Mar–May 1939
3-Month
4.53"
(115.06mm)
7.76"
(197.10mm)
-3.23"
(-82.04mm)
3rd Driest Driest since: 1924 1924
125th Wettest Wettest since: 1938 2011
Feb–May 1939
4-Month
8.34"
(211.84mm)
11.37"
(288.80mm)
-3.03"
(-76.96mm)
14th Driest Driest since: 1934 1924
114th Wettest Wettest since: 1938 1904
Ties: 1903
Jan–May 1939
5-Month
12.08"
(306.83mm)
15.90"
(403.86mm)
-3.82"
(-97.03mm)
12th Driest Driest since: 1929 1924
116th Wettest Wettest since: 1938 1904
Dec 1938–May 1939
6-Month
15.27"
(387.86mm)
20.54"
(521.72mm)
-5.27"
(-133.86mm)
9th Driest Driest since: 1931 1977
118th Wettest Wettest since: 1938 1997
Nov 1938–May 1939
7-Month
18.74"
(476.00mm)
24.89"
(632.21mm)
-6.15"
(-156.21mm)
8th Driest Driest since: 1931 1977
119th Wettest Wettest since: 1938 1974
Oct 1938–May 1939
8-Month
21.94"
(557.28mm)
27.45"
(697.23mm)
-5.51"
(-139.95mm)
14th Driest Driest since: 1937 1977
113th Wettest Wettest since: 1938 1974
Sep 1938–May 1939
9-Month
22.77"
(578.36mm)
28.87"
(733.30mm)
-6.10"
(-154.94mm)
12th Driest Driest since: 1937 1977
115th Wettest Wettest since: 1938 1974
Aug 1938–May 1939
10-Month
23.12"
(587.25mm)
29.68"
(753.87mm)
-6.56"
(-166.62mm)
11th Driest Driest since: 1937 1977
116th Wettest Wettest since: 1938 1974
Jul 1938–May 1939
11-Month
23.99"
(609.35mm)
30.40"
(772.16mm)
-6.41"
(-162.81mm)
11th Driest Driest since: 1937 1977
116th Wettest Wettest since: 1938 1974
Jun 1938–May 1939
12-Month
25.23"
(640.84mm)
32.13"
(816.10mm)
-6.90"
(-175.26mm)
10th Driest Driest since: 1931 1977
117th Wettest Wettest since: 1938 1996
Dec 1937–May 1939
18-Month
48.54"
(1,232.92mm)
52.65"
(1,337.31mm)
-4.11"
(-104.39mm)
29th Driest Driest since: 1937 1930
97th Wettest Wettest since: 1938 1997
Jun 1937–May 1939
24-Month
63.33"
(1,608.58mm)
64.28"
(1,632.71mm)
-0.95"
(-24.13mm)
57th Driest Driest since: 1937 1930
69th Wettest Wettest since: 1938 1997
Jun 1936–May 1939
36-Month
89.84"
(2,281.94mm)
96.36"
(2,447.54mm)
-6.52"
(-165.60mm)
26th Driest Driest since: 1937 1931
99th Wettest Wettest since: 1938 1998
Jun 1935–May 1939
48-Month
117.24"
(2,977.90mm)
128.40"
(3,261.36mm)
-11.16"
(-283.46mm)
16th Driest Driest since: 1937 1931
108th Wettest Wettest since: 1938 1999
Jun 1934–May 1939
60-Month
148.59"
(3,774.19mm)
160.37"
(4,073.40mm)
-11.78"
(-299.21mm)
17th Driest Driest since: 1937 1933
106th Wettest Wettest since: 1938 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2021, retrieved on September 20, 2021 from https://www.ncdc.noaa.gov/cag/