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 2021. 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
(1895-2021)
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
49th 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
56th 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
97th 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
68th 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
99th 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
77th 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
111th 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
114th 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
118th 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
118th 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
120th 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
120th 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 to Date 1930
125th 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 to Date 1930
125th 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 to Date 1931
123rd 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
115th 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 to Date 1933
118th Wettest Wettest since: 1929 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 25, 2021 from https://www.ncdc.noaa.gov/cag/