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.


Northwest Climate Region

Precipitation Rankings, May 1947

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1947
1-Month
1.19"
(30.23mm)
2.14"
(54.36mm)
-0.95"
(-24.13mm)
13th Driest Driest since: 1940 1924
113th Wettest Wettest since: 1946 1998
Apr–May 1947
2-Month
3.25"
(82.55mm)
4.50"
(114.30mm)
-1.25"
(-31.75mm)
14th Driest Driest since: 1939 1924
112th Wettest Wettest since: 1946 1996
Mar–May 1947
3-Month
6.21"
(157.73mm)
7.76"
(197.10mm)
-1.55"
(-39.37mm)
23rd Driest Driest since: 1939 1924
103rd Wettest Wettest since: 1946 2011
Feb–May 1947
4-Month
8.59"
(218.19mm)
11.37"
(288.80mm)
-2.78"
(-70.61mm)
16th Driest Driest since: 1939 1924
110th Wettest Wettest since: 1946 1904
Jan–May 1947
5-Month
12.04"
(305.82mm)
15.90"
(403.86mm)
-3.86"
(-98.04mm)
11th Driest Driest since: 1944 1924
115th Wettest Wettest since: 1946 1904
Dec 1946–May 1947
6-Month
16.21"
(411.73mm)
20.54"
(521.72mm)
-4.33"
(-109.99mm)
12th Driest Driest since: 1944 1977
113th Wettest Wettest since: 1946 1997
Nov 1946–May 1947
7-Month
21.73"
(551.94mm)
24.89"
(632.21mm)
-3.16"
(-80.27mm)
25th Driest Driest since: 1944 1977
100th Wettest Wettest since: 1946 1974
Oct 1946–May 1947
8-Month
25.47"
(646.94mm)
27.45"
(697.23mm)
-1.98"
(-50.29mm)
32nd Driest Driest since: 1944 1977
93rd Wettest Wettest since: 1946 1974
Sep 1946–May 1947
9-Month
26.83"
(681.48mm)
28.87"
(733.30mm)
-2.04"
(-51.82mm)
31st Driest Driest since: 1944 1977
94th Wettest Wettest since: 1946 1974
Aug 1946–May 1947
10-Month
27.41"
(696.21mm)
29.68"
(753.87mm)
-2.27"
(-57.66mm)
29th Driest Driest since: 1944 1977
96th Wettest Wettest since: 1946 1974
Jul 1946–May 1947
11-Month
28.09"
(713.49mm)
30.40"
(772.16mm)
-2.31"
(-58.67mm)
29th Driest Driest since: 1944 1977
96th Wettest Wettest since: 1946 1974
Ties: 1990
Jun 1946–May 1947
12-Month
30.02"
(762.51mm)
32.13"
(816.10mm)
-2.11"
(-53.59mm)
35th Driest Driest since: 1944 1977
90th Wettest Wettest since: 1946 1996
Dec 1945–May 1947
18-Month
50.82"
(1,290.83mm)
52.65"
(1,337.31mm)
-1.83"
(-46.48mm)
46th Driest Driest since: 1945 1930
78th Wettest Wettest since: 1946 1997
Jun 1945–May 1947
24-Month
63.37"
(1,609.60mm)
64.28"
(1,632.71mm)
-0.91"
(-23.11mm)
56th Driest Driest since: 1945 1930
68th Wettest Wettest since: 1946 1997
Jun 1944–May 1947
36-Month
94.46"
(2,399.28mm)
96.36"
(2,447.54mm)
-1.90"
(-48.26mm)
51st Driest Driest since: 1946 1931
72nd Wettest Wettest since: 1943 1998
Jun 1943–May 1947
48-Month
118.30"
(3,004.82mm)
128.40"
(3,261.36mm)
-10.10"
(-256.54mm)
18th Driest Driest since: 1939 1931
104th Wettest Wettest since: 1946 1999
Jun 1942–May 1947
60-Month
153.77"
(3,905.76mm)
160.37"
(4,073.40mm)
-6.60"
(-167.64mm)
29th Driest Driest since: 1941 1933
92nd Wettest Wettest since: 1946 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 6, 2019 from https://www.ncdc.noaa.gov/cag/