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 June 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1900

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1900
1-Month
2.68"
(68.07mm)
2.14"
(54.36mm)
0.54"
(13.71mm)
95th Driest Driest since: 1899 1924
33rd Wettest Wettest since: 1896 1998
Apr–May 1900
2-Month
5.13"
(130.30mm)
4.50"
(114.30mm)
0.63"
(16.00mm)
88th Driest Driest since: 1898 1924
40th Wettest Wettest since: 1899 1996
Mar–May 1900
3-Month
8.07"
(204.98mm)
7.76"
(197.10mm)
0.31"
(7.88mm)
74th Driest Driest since: 1898 1924
54th Wettest Wettest since: 1899 2011
Ties: 1940
Feb–May 1900
4-Month
11.33"
(287.78mm)
11.37"
(288.80mm)
-0.04"
(-1.02mm)
67th Driest Driest since: 1898 1924
61st Wettest Wettest since: 1899 1904
Ties: 1925
Jan–May 1900
5-Month
14.73"
(374.14mm)
15.90"
(403.86mm)
-1.17"
(-29.72mm)
48th Driest Driest since: 1898 1924
80th Wettest Wettest since: 1899 1904
Dec 1899–May 1900
6-Month
19.07"
(484.38mm)
20.54"
(521.72mm)
-1.47"
(-37.34mm)
41st Driest Driest since: 1898 1977
86th Wettest Wettest since: 1899 1997
Nov 1899–May 1900
7-Month
24.90"
(632.46mm)
24.89"
(632.21mm)
0.01"
(0.25mm)
68th Driest Driest to Date 1977
59th Wettest Wettest since: 1899 1974
Oct 1899–May 1900
8-Month
28.79"
(731.27mm)
27.45"
(697.23mm)
1.34"
(34.04mm)
86th Driest Driest since: 1899 1977
41st Wettest Wettest since: 1897 1974
Sep 1899–May 1900
9-Month
29.80"
(756.92mm)
28.87"
(733.30mm)
0.93"
(23.62mm)
82nd Driest Driest since: 1899 1977
45th Wettest Wettest since: 1897 1974
Aug 1899–May 1900
10-Month
31.70"
(805.18mm)
29.68"
(753.87mm)
2.02"
(51.31mm)
90th Driest Driest since: 1899 1977
37th Wettest Wettest since: 1897 1974
Jul 1899–May 1900
11-Month
31.99"
(812.55mm)
30.40"
(772.16mm)
1.59"
(40.39mm)
91st Driest Driest since: 1899 1977
36th Wettest Wettest since: 1897 1974
Jun 1899–May 1900
12-Month
32.92"
(836.17mm)
32.13"
(816.10mm)
0.79"
(20.07mm)
82nd Driest Driest since: 1899 1977
45th Wettest Wettest since: 1897 1996
Dec 1898–May 1900
18-Month
53.94"
(1,370.08mm)
52.65"
(1,337.31mm)
1.29"
(32.77mm)
80th Driest Driest since: 1899 1930
46th Wettest Wettest since: 1897 1997
Ties: 1941
Jun 1898–May 1900
24-Month
64.34"
(1,634.24mm)
64.28"
(1,632.71mm)
0.06"
(1.53mm)
68th Driest Driest since: 1899 1930
58th Wettest Wettest since: 1898 1997
Jun 1897–May 1900
36-Month
97.12"
(2,466.85mm)
96.36"
(2,447.54mm)
0.76"
(19.31mm)
70th Driest Driest to Date 1931
55th Wettest Wettest since: 1899 1998
Jun 1896–May 1900
48-Month
132.25"
(3,359.15mm)
128.40"
(3,261.36mm)
3.85"
(97.79mm)
89th Driest Driest since: 1899 1931
35th Wettest Wettest to Date 1999
Jun 1895–May 1900
60-Month
165.11"
(4,193.79mm)
160.37"
(4,073.40mm)
4.74"
(120.39mm)
86th Driest Driest to Date 1933
37th Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published July 2021, retrieved on July 29, 2021 from https://www.ncdc.noaa.gov/cag/