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 September 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, April 1939

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1939
1-Month
0.79"
(20.07mm)
2.36"
(59.94mm)
-1.57"
(-39.87mm)
2nd Driest Driest to Date 1977
124th Wettest Wettest since: 1938 1937
Mar–Apr 1939
2-Month
3.21"
(81.53mm)
5.62"
(142.75mm)
-2.41"
(-61.22mm)
6th Driest Driest since: 1926 1924
120th Wettest Wettest since: 1938 1904
Feb–Apr 1939
3-Month
7.02"
(178.31mm)
9.23"
(234.44mm)
-2.21"
(-56.13mm)
21st Driest Driest since: 1934 1911
105th Wettest Wettest since: 1938 1904
Jan–Apr 1939
4-Month
10.76"
(273.30mm)
13.75"
(349.25mm)
-2.99"
(-75.95mm)
20th Driest Driest since: 1929 1977
106th Wettest Wettest since: 1938 1904
Dec 1938–Apr 1939
5-Month
13.95"
(354.33mm)
18.40"
(467.36mm)
-4.45"
(-113.03mm)
14th Driest Driest since: 1931 1977
111th Wettest Wettest since: 1938 1997
Nov 1938–Apr 1939
6-Month
17.42"
(442.47mm)
22.75"
(577.85mm)
-5.33"
(-135.38mm)
11th Driest Driest since: 1931 1977
114th Wettest Wettest since: 1938 1974
Oct 1938–Apr 1939
7-Month
20.62"
(523.75mm)
25.31"
(642.87mm)
-4.69"
(-119.12mm)
17th Driest Driest since: 1937 1977
108th Wettest Wettest since: 1938 1974
Sep 1938–Apr 1939
8-Month
21.45"
(544.83mm)
26.73"
(678.94mm)
-5.28"
(-134.11mm)
16th Driest Driest since: 1937 1977
109th Wettest Wettest since: 1938 1974
Aug 1938–Apr 1939
9-Month
21.80"
(553.72mm)
27.53"
(699.26mm)
-5.73"
(-145.54mm)
13th Driest Driest since: 1931 1977
112th Wettest Wettest since: 1938 1974
Ties: 1973
Jul 1938–Apr 1939
10-Month
22.67"
(575.82mm)
28.26"
(717.80mm)
-5.59"
(-141.98mm)
14th Driest Driest since: 1937 1977
111th Wettest Wettest since: 1938 1974
Jun 1938–Apr 1939
11-Month
23.91"
(607.31mm)
29.99"
(761.75mm)
-6.08"
(-154.44mm)
10th Driest Driest since: 1931 1977
115th Wettest Wettest since: 1938 1974
May 1938–Apr 1939
12-Month
25.31"
(642.87mm)
32.13"
(816.10mm)
-6.82"
(-173.23mm)
8th Driest Driest since: 1931 1977
117th Wettest Wettest since: 1938 1997
Nov 1937–Apr 1939
18-Month
53.90"
(1,369.06mm)
54.88"
(1,393.95mm)
-0.98"
(-24.89mm)
52nd Driest Driest since: 1937 1930
72nd Wettest Wettest since: 1938 1997
May 1937–Apr 1939
24-Month
63.23"
(1,606.04mm)
64.29"
(1,632.97mm)
-1.06"
(-26.93mm)
56th Driest Driest since: 1937 1930
68th Wettest Wettest since: 1938 1997
May 1936–Apr 1939
36-Month
90.61"
(2,301.49mm)
96.34"
(2,447.04mm)
-5.73"
(-145.55mm)
29th Driest Driest since: 1937 1931
94th Wettest Wettest since: 1938 1997
May 1935–Apr 1939
48-Month
116.95"
(2,970.53mm)
128.37"
(3,260.60mm)
-11.42"
(-290.07mm)
12th Driest Driest since: 1933 1932
110th Wettest Wettest since: 1938 1999
May 1934–Apr 1939
60-Month
148.59"
(3,774.19mm)
160.35"
(4,072.89mm)
-11.76"
(-298.70mm)
16th Driest Driest since: 1937 1933
105th Wettest Wettest since: 1938 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2019, retrieved on October 24, 2019 from https://www.ncdc.noaa.gov/cag/