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 January 2020. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1975
1-Month
1.61"
(40.89mm)
2.14"
(54.36mm)
-0.53"
(-13.47mm)
37th Driest Driest since: 1974 1924
89th Wettest Wettest since: 1972 1998
Ties: 1969
Apr–May 1975
2-Month
4.14"
(105.16mm)
4.50"
(114.30mm)
-0.36"
(-9.14mm)
50th Driest Driest since: 1974 1924
76th Wettest Wettest since: 1972 1996
Mar–May 1975
3-Month
8.05"
(204.47mm)
7.76"
(197.10mm)
0.29"
(7.37mm)
70th Driest Driest since: 1973 1924
56th Wettest Wettest since: 1974 2011
Ties: 1906
Feb–May 1975
4-Month
12.65"
(321.31mm)
11.37"
(288.80mm)
1.28"
(32.51mm)
87th Driest Driest since: 1973 1924
39th Wettest Wettest since: 1974 1904
Jan–May 1975
5-Month
18.22"
(462.79mm)
15.90"
(403.86mm)
2.32"
(58.93mm)
97th Driest Driest since: 1973 1924
29th Wettest Wettest since: 1974 1904
Dec 1974–May 1975
6-Month
23.66"
(600.96mm)
20.54"
(521.72mm)
3.12"
(79.24mm)
102nd Driest Driest since: 1973 1977
23rd Wettest Wettest since: 1974 1997
Nov 1974–May 1975
7-Month
27.27"
(692.66mm)
24.89"
(632.21mm)
2.38"
(60.45mm)
94th Driest Driest since: 1973 1977
31st Wettest Wettest since: 1974 1974
Oct 1974–May 1975
8-Month
28.42"
(721.87mm)
27.45"
(697.23mm)
0.97"
(24.64mm)
80th Driest Driest since: 1973 1977
45th Wettest Wettest since: 1974 1974
Sep 1974–May 1975
9-Month
28.64"
(727.46mm)
28.87"
(733.30mm)
-0.23"
(-5.84mm)
59th Driest Driest since: 1973 1977
66th Wettest Wettest since: 1974 1974
Aug 1974–May 1975
10-Month
29.04"
(737.62mm)
29.68"
(753.87mm)
-0.64"
(-16.25mm)
55th Driest Driest since: 1973 1977
70th Wettest Wettest since: 1974 1974
Jul 1974–May 1975
11-Month
30.27"
(768.86mm)
30.40"
(772.16mm)
-0.13"
(-3.30mm)
65th Driest Driest since: 1973 1977
60th Wettest Wettest since: 1974 1974
Jun 1974–May 1975
12-Month
31.18"
(791.97mm)
32.13"
(816.10mm)
-0.95"
(-24.13mm)
52nd Driest Driest since: 1973 1977
73rd Wettest Wettest since: 1974 1996
Dec 1973–May 1975
18-Month
58.03"
(1,473.96mm)
52.65"
(1,337.31mm)
5.38"
(136.65mm)
103rd Driest Driest since: 1973 1930
21st Wettest Wettest since: 1974 1997
Jun 1973–May 1975
24-Month
73.92"
(1,877.57mm)
64.28"
(1,632.71mm)
9.64"
(244.86mm)
115th Driest Driest since: 1974 1930
9th Wettest Wettest since: 1972 1997
Jun 1972–May 1975
36-Month
99.71"
(2,532.63mm)
96.36"
(2,447.54mm)
3.35"
(85.09mm)
89th Driest Driest since: 1970 1931
34th Wettest Wettest since: 1974 1998
Jun 1971–May 1975
48-Month
138.24"
(3,511.30mm)
128.40"
(3,261.36mm)
9.84"
(249.94mm)
109th Driest Driest since: 1973 1931
13th Wettest Wettest since: 1974 1999
Jun 1970–May 1975
60-Month
175.82"
(4,465.83mm)
160.37"
(4,073.40mm)
15.45"
(392.43mm)
112th Driest Driest since: 1973 1933
9th Wettest Wettest since: 1974 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published February 2020, retrieved on February 19, 2020 from https://www.ncdc.noaa.gov/cag/