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 May 2022. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, October 1940

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 1940
1-Month
3.85"
(97.79mm)
2.54"
(64.52mm)
1.31"
(33.27mm)
111th Driest Driest since: 1939 1895
17th Wettest Wettest since: 1934 2016
Sep–Oct 1940
2-Month
7.04"
(178.82mm)
3.96"
(100.58mm)
3.08"
(78.24mm)
124th Driest Driest since: 1939 1987
4th Wettest Wettest to Date 2016
Aug–Oct 1940
3-Month
7.22"
(183.39mm)
4.76"
(120.90mm)
2.46"
(62.49mm)
121st Driest Driest since: 1939 1987
7th Wettest Wettest since: 1920 2016
Jul–Oct 1940
4-Month
8.13"
(206.50mm)
5.49"
(139.45mm)
2.64"
(67.05mm)
119th Driest Driest since: 1939 1952
9th Wettest Wettest since: 1920 2016
Jun–Oct 1940
5-Month
8.67"
(220.22mm)
7.21"
(183.13mm)
1.46"
(37.09mm)
103rd Driest Driest since: 1939 1917, 2002
25th Wettest Wettest since: 1927 1947
May–Oct 1940
6-Month
9.76"
(247.90mm)
9.35"
(237.49mm)
0.41"
(10.41mm)
76th Driest Driest since: 1939 2002
52nd Wettest Wettest since: 1933 1941
Apr–Oct 1940
7-Month
12.54"
(318.52mm)
11.71"
(297.43mm)
0.83"
(21.09mm)
83rd Driest Driest since: 1939 2002
45th Wettest Wettest since: 1937 1997
Mar–Oct 1940
8-Month
16.74"
(425.20mm)
14.97"
(380.24mm)
1.77"
(44.96mm)
98th Driest Driest since: 1939 1939
30th Wettest Wettest since: 1920 1997
Feb–Oct 1940
9-Month
23.79"
(604.27mm)
18.58"
(471.93mm)
5.21"
(132.34mm)
124th Driest Driest since: 1939 1929
4th Wettest Wettest since: 1904 2017
Jan–Oct 1940
10-Month
27.39"
(695.71mm)
23.10"
(586.74mm)
4.29"
(108.97mm)
115th Driest Driest since: 1939 1929
13th Wettest Wettest since: 1904 1950
Dec 1939–Oct 1940
11-Month
33.32"
(846.33mm)
27.75"
(704.85mm)
5.57"
(141.48mm)
118th Driest Driest since: 1939 1929
9th Wettest Wettest to Date 1997
Nov 1939–Oct 1940
12-Month
34.44"
(874.78mm)
32.10"
(815.34mm)
2.34"
(59.44mm)
91st Driest Driest since: 1939 1977
36th Wettest Wettest since: 1938 1997
May 1939–Oct 1940
18-Month
41.45"
(1,052.83mm)
41.48"
(1,053.59mm)
-0.03"
(-0.76mm)
67th Driest Driest since: 1939 1929
60th Wettest Wettest since: 1938 1997
Nov 1938–Oct 1940
24-Month
58.87"
(1,495.30mm)
64.23"
(1,631.44mm)
-5.36"
(-136.14mm)
21st Driest Driest since: 1937 1930
105th Wettest Wettest since: 1939 1997
Nov 1937–Oct 1940
36-Month
95.35"
(2,421.89mm)
96.31"
(2,446.27mm)
-0.96"
(-24.38mm)
55th Driest Driest since: 1939 1931
70th Wettest Wettest since: 1934 1997
Nov 1936–Oct 1940
48-Month
124.55"
(3,163.57mm)
128.38"
(3,260.85mm)
-3.83"
(-97.28mm)
41st Driest Driest since: 1939 1931
83rd Wettest Wettest since: 1935 1999
Nov 1935–Oct 1940
60-Month
152.84"
(3,882.14mm)
160.37"
(4,073.40mm)
-7.53"
(-191.26mm)
29th Driest Driest since: 1939 1932
94th Wettest Wettest since: 1938 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2022, retrieved on June 28, 2022 from https://www.ncdc.noaa.gov/cag/