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 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1899
1-Month
2.46"
(62.48mm)
2.14"
(54.36mm)
0.32"
(8.12mm)
88th Driest Driest since: 1898 1924
40th Wettest Wettest since: 1896 1998
Ties: 1959
Apr–May 1899
2-Month
5.27"
(133.86mm)
4.50"
(114.30mm)
0.77"
(19.56mm)
92nd Driest Driest since: 1898 1924
36th Wettest Wettest since: 1896 1996
Mar–May 1899
3-Month
8.57"
(217.68mm)
7.76"
(197.10mm)
0.81"
(20.58mm)
86th Driest Driest since: 1898 1924
42nd Wettest Wettest since: 1896 2011
Feb–May 1899
4-Month
13.19"
(335.03mm)
11.37"
(288.80mm)
1.82"
(46.23mm)
99th Driest Driest since: 1898 1924
29th Wettest Wettest since: 1896 1904
Jan–May 1899
5-Month
18.41"
(467.61mm)
15.90"
(403.86mm)
2.51"
(63.75mm)
104th Driest Driest since: 1898 1924
24th Wettest Wettest since: 1896 1904
Dec 1898–May 1899
6-Month
21.02"
(533.91mm)
20.54"
(521.72mm)
0.48"
(12.19mm)
76th Driest Driest since: 1898 1977
51st Wettest Wettest since: 1896 1997
Nov 1898–May 1899
7-Month
25.55"
(648.97mm)
24.89"
(632.21mm)
0.66"
(16.76mm)
75th Driest Driest since: 1898 1977
52nd Wettest Wettest since: 1897 1974
Oct 1898–May 1899
8-Month
27.33"
(694.18mm)
27.45"
(697.23mm)
-0.12"
(-3.05mm)
63rd Driest Driest since: 1898 1977
64th Wettest Wettest since: 1897 1974
Sep 1898–May 1899
9-Month
28.80"
(731.52mm)
28.87"
(733.30mm)
-0.07"
(-1.78mm)
63rd Driest Driest to Date 1977
64th Wettest Wettest since: 1898 1974
Aug 1898–May 1899
10-Month
29.26"
(743.20mm)
29.68"
(753.87mm)
-0.42"
(-10.67mm)
62nd Driest Driest to Date 1977
65th Wettest Wettest since: 1898 1974
Jul 1898–May 1899
11-Month
29.86"
(758.44mm)
30.40"
(772.16mm)
-0.54"
(-13.72mm)
60th Driest Driest to Date 1977
67th Wettest Wettest since: 1898 1974
Jun 1898–May 1899
12-Month
31.42"
(798.07mm)
32.13"
(816.10mm)
-0.71"
(-18.03mm)
58th Driest Driest to Date 1977
69th Wettest Wettest since: 1898 1996
Ties: 1952, 2010
Dec 1897–May 1899
18-Month
49.69"
(1,262.13mm)
52.65"
(1,337.31mm)
-2.96"
(-75.18mm)
38th Driest Driest to Date 1930
88th Wettest Wettest since: 1898 1997
Jun 1897–May 1899
24-Month
64.20"
(1,630.68mm)
64.28"
(1,632.71mm)
-0.08"
(-2.03mm)
64th Driest Driest to Date 1930
62nd Wettest Wettest since: 1898 1997
Jun 1896–May 1899
36-Month
99.33"
(2,522.98mm)
96.36"
(2,447.54mm)
2.97"
(75.44mm)
88th Driest Driest to Date 1931
37th Wettest Wettest since: 1898 1998
Jun 1895–May 1899
48-Month
132.19"
(3,357.63mm)
128.40"
(3,261.36mm)
3.79"
(96.27mm)
88th Driest Driest to Date 1931
36th 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/