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 2022. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1930

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1930
1-Month
2.33"
(59.18mm)
2.14"
(54.36mm)
0.19"
(4.82mm)
79th Driest Driest since: 1929 1924
50th Wettest Wettest since: 1927 1998
Apr–May 1930
2-Month
4.58"
(116.33mm)
4.50"
(114.30mm)
0.08"
(2.03mm)
72nd Driest Driest since: 1929 1924
57th Wettest Wettest since: 1927 1996
Ties: 1986
Mar–May 1930
3-Month
6.64"
(168.66mm)
7.76"
(197.10mm)
-1.12"
(-28.44mm)
31st Driest Driest since: 1929 1924
98th Wettest Wettest since: 1928 2011
Feb–May 1930
4-Month
10.92"
(277.37mm)
11.37"
(288.80mm)
-0.45"
(-11.43mm)
60th Driest Driest since: 1929 1924
69th Wettest Wettest since: 1927 1904
Jan–May 1930
5-Month
13.69"
(347.73mm)
15.90"
(403.86mm)
-2.21"
(-56.13mm)
29th Driest Driest since: 1929 1924
100th Wettest Wettest since: 1928 1904
Dec 1929–May 1930
6-Month
20.12"
(511.05mm)
20.54"
(521.72mm)
-0.42"
(-10.67mm)
50th Driest Driest since: 1929 1977
78th Wettest Wettest since: 1927 1997
Ties: 2020
Nov 1929–May 1930
7-Month
20.58"
(522.73mm)
24.89"
(632.21mm)
-4.31"
(-109.48mm)
16th Driest Driest since: 1929 1977
112th Wettest Wettest since: 1928 1974
Oct 1929–May 1930
8-Month
21.70"
(551.18mm)
27.45"
(697.23mm)
-5.75"
(-146.05mm)
13th Driest Driest since: 1929 1977
115th Wettest Wettest since: 1928 1974
Sep 1929–May 1930
9-Month
22.17"
(563.12mm)
28.87"
(733.30mm)
-6.70"
(-170.18mm)
9th Driest Driest since: 1929 1977
119th Wettest Wettest since: 1928 1974
Aug 1929–May 1930
10-Month
22.52"
(572.01mm)
29.68"
(753.87mm)
-7.16"
(-181.86mm)
9th Driest Driest since: 1929 1977
119th Wettest Wettest since: 1928 1974
Jul 1929–May 1930
11-Month
22.66"
(575.56mm)
30.40"
(772.16mm)
-7.74"
(-196.60mm)
7th Driest Driest since: 1929 1977
121st Wettest Wettest since: 1928 1974
Jun 1929–May 1930
12-Month
24.82"
(630.43mm)
32.13"
(816.10mm)
-7.31"
(-185.67mm)
7th Driest Driest since: 1929 1977
121st Wettest Wettest since: 1928 1996
Dec 1928–May 1930
18-Month
39.74"
(1,009.40mm)
52.65"
(1,337.31mm)
-12.91"
(-327.91mm)
1st Driest Driest since: 1930 1930
126th Wettest Wettest since: 1929 1997
Jun 1928–May 1930
24-Month
47.54"
(1,207.52mm)
64.28"
(1,632.71mm)
-16.74"
(-425.19mm)
1st Driest Driest since: 1930 1930
126th Wettest Wettest since: 1929 1997
Jun 1927–May 1930
36-Month
80.85"
(2,053.59mm)
96.36"
(2,447.54mm)
-15.51"
(-393.95mm)
2nd Driest Driest since: 1930 1931
124th Wettest Wettest since: 1929 1998
Jun 1926–May 1930
48-Month
115.79"
(2,941.07mm)
128.40"
(3,261.36mm)
-12.61"
(-320.29mm)
9th Driest Driest since: 1926 1931
116th Wettest Wettest since: 1929 1999
Jun 1925–May 1930
60-Month
141.61"
(3,596.89mm)
160.37"
(4,073.40mm)
-18.76"
(-476.51mm)
5th Driest Driest since: 1930 1933
119th Wettest Wettest since: 1929 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/