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, April 1940

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
April 1940
1-Month
2.78"
(70.61mm)
2.36"
(59.94mm)
0.42"
(10.67mm)
87th Driest Driest since: 1939 1977
41st Wettest Wettest since: 1937 1937
Ties: 1935
Mar–Apr 1940
2-Month
6.98"
(177.29mm)
5.62"
(142.75mm)
1.36"
(34.54mm)
101st Driest Driest since: 1939 1924
27th Wettest Wettest since: 1938 1904
Feb–Apr 1940
3-Month
14.03"
(356.36mm)
9.23"
(234.44mm)
4.80"
(121.92mm)
125th Driest Driest since: 1939 1911
3rd Wettest Wettest since: 1904 1904
Jan–Apr 1940
4-Month
17.63"
(447.80mm)
13.75"
(349.25mm)
3.88"
(98.55mm)
118th Driest Driest since: 1939 1977
10th Wettest Wettest since: 1916 1904
Dec 1939–Apr 1940
5-Month
23.56"
(598.42mm)
18.40"
(467.36mm)
5.16"
(131.06mm)
118th Driest Driest since: 1939 1977
9th Wettest Wettest since: 1904 1997
Nov 1939–Apr 1940
6-Month
24.68"
(626.87mm)
22.75"
(577.85mm)
1.93"
(49.02mm)
86th Driest Driest since: 1939 1977
41st Wettest Wettest since: 1938 1974
Oct 1939–Apr 1940
7-Month
26.96"
(684.78mm)
25.31"
(642.87mm)
1.65"
(41.91mm)
86th Driest Driest since: 1939 1977
41st Wettest Wettest since: 1938 1974
Sep 1939–Apr 1940
8-Month
27.87"
(707.90mm)
26.73"
(678.94mm)
1.14"
(28.96mm)
84th Driest Driest since: 1939 1977
43rd Wettest Wettest since: 1938 1974
Aug 1939–Apr 1940
9-Month
28.24"
(717.30mm)
27.53"
(699.26mm)
0.71"
(18.04mm)
79th Driest Driest since: 1939 1977
48th Wettest Wettest since: 1938 1974
Jul 1939–Apr 1940
10-Month
28.98"
(736.09mm)
28.26"
(717.80mm)
0.72"
(18.29mm)
80th Driest Driest since: 1939 1977
47th Wettest Wettest since: 1938 1974
Jun 1939–Apr 1940
11-Month
30.37"
(771.40mm)
29.99"
(761.75mm)
0.38"
(9.65mm)
76th Driest Driest since: 1939 1977
51st Wettest Wettest since: 1938 1974
May 1939–Apr 1940
12-Month
31.69"
(804.93mm)
32.13"
(816.10mm)
-0.44"
(-11.17mm)
63rd Driest Driest since: 1939 1977
64th Wettest Wettest since: 1938 1997
Nov 1938–Apr 1940
18-Month
49.11"
(1,247.39mm)
54.88"
(1,393.95mm)
-5.77"
(-146.56mm)
19th Driest Driest since: 1937 1930
107th Wettest Wettest since: 1939 1997
Ties: 1932
May 1938–Apr 1940
24-Month
57.00"
(1,447.80mm)
64.29"
(1,632.97mm)
-7.29"
(-185.17mm)
17th Driest Driest since: 1937 1930
109th Wettest Wettest since: 1939 1997
May 1937–Apr 1940
36-Month
94.92"
(2,410.97mm)
96.34"
(2,447.04mm)
-1.42"
(-36.07mm)
55th Driest Driest since: 1939 1931
70th Wettest Wettest since: 1934 1997
May 1936–Apr 1940
48-Month
122.30"
(3,106.42mm)
128.37"
(3,260.60mm)
-6.07"
(-154.18mm)
33rd Driest Driest since: 1939 1932
91st Wettest Wettest since: 1938 1999
May 1935–Apr 1940
60-Month
148.64"
(3,775.46mm)
160.35"
(4,072.89mm)
-11.71"
(-297.43mm)
17th Driest Driest since: 1939 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 21, 2021 from https://www.ncdc.noaa.gov/cag/