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 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
April 1901
1-Month
2.49"
(63.25mm)
2.36"
(59.94mm)
0.13"
(3.31mm)
69th Driest Driest since: 1900 1977
59th Wettest Wettest since: 1899 1937
Ties: 2002
Mar–Apr 1901
2-Month
5.15"
(130.81mm)
5.62"
(142.75mm)
-0.47"
(-11.94mm)
52nd Driest Driest since: 1898 1924
76th Wettest Wettest since: 1900 1904
Feb–Apr 1901
3-Month
9.95"
(252.73mm)
9.23"
(234.44mm)
0.72"
(18.29mm)
85th Driest Driest since: 1900 1911
43rd Wettest Wettest since: 1899 1904
Jan–Apr 1901
4-Month
15.10"
(383.54mm)
13.75"
(349.25mm)
1.35"
(34.29mm)
87th Driest Driest since: 1900 1977
41st Wettest Wettest since: 1899 1904
Dec 1900–Apr 1901
5-Month
19.30"
(490.22mm)
18.40"
(467.36mm)
0.90"
(22.86mm)
83rd Driest Driest since: 1900 1977
44th Wettest Wettest since: 1897 1997
Ties: 1897
Nov 1900–Apr 1901
6-Month
22.69"
(576.33mm)
22.75"
(577.85mm)
-0.06"
(-1.52mm)
68th Driest Driest since: 1900 1977
59th Wettest Wettest since: 1899 1974
Oct 1900–Apr 1901
7-Month
27.26"
(692.40mm)
25.31"
(642.87mm)
1.95"
(49.53mm)
89th Driest Driest since: 1900 1977
38th Wettest Wettest since: 1897 1974
Sep 1900–Apr 1901
8-Month
28.86"
(733.04mm)
26.73"
(678.94mm)
2.13"
(54.10mm)
90th Driest Driest since: 1900 1977
37th Wettest Wettest since: 1897 1974
Aug 1900–Apr 1901
9-Month
29.75"
(755.65mm)
27.53"
(699.26mm)
2.22"
(56.39mm)
91st Driest Driest since: 1900 1977
36th Wettest Wettest since: 1897 1974
Jul 1900–Apr 1901
10-Month
30.07"
(763.78mm)
28.26"
(717.80mm)
1.81"
(45.98mm)
90th Driest Driest since: 1900 1977
37th Wettest Wettest since: 1897 1974
Jun 1900–Apr 1901
11-Month
31.68"
(804.67mm)
29.99"
(761.75mm)
1.69"
(42.92mm)
91st Driest Driest since: 1900 1977
36th Wettest Wettest since: 1897 1974
May 1900–Apr 1901
12-Month
34.36"
(872.74mm)
32.13"
(816.10mm)
2.23"
(56.64mm)
92nd Driest Driest since: 1900 1977
35th Wettest Wettest since: 1897 1997
Nov 1899–Apr 1901
18-Month
56.58"
(1,437.13mm)
54.88"
(1,393.95mm)
1.70"
(43.18mm)
83rd Driest Driest since: 1900 1930
43rd Wettest Wettest since: 1898 1997
May 1899–Apr 1901
24-Month
67.06"
(1,703.32mm)
64.29"
(1,632.97mm)
2.77"
(70.35mm)
89th Driest Driest since: 1900 1930
37th Wettest Wettest since: 1898 1997
May 1898–Apr 1901
36-Month
98.31"
(2,497.07mm)
96.34"
(2,447.04mm)
1.97"
(50.03mm)
75th Driest Driest since: 1900 1931
50th Wettest Wettest since: 1899 1997
May 1897–Apr 1901
48-Month
130.37"
(3,311.40mm)
128.37"
(3,260.60mm)
2.00"
(50.80mm)
78th Driest Driest to Date 1932
46th Wettest Wettest since: 1900 1999
May 1896–Apr 1901
60-Month
167.90"
(4,264.66mm)
160.35"
(4,072.89mm)
7.55"
(191.77mm)
95th Driest Driest since: 1900 1933
28th Wettest Wettest to Date 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/