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 December 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, April 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1975
1-Month
2.53"
(64.26mm)
2.36"
(59.94mm)
0.17"
(4.32mm)
70th Driest Driest since: 1973 1977
56th Wettest Wettest since: 1974 1937
Ties: 1923
Mar–Apr 1975
2-Month
6.44"
(163.58mm)
5.62"
(142.75mm)
0.82"
(20.83mm)
84th Driest Driest since: 1973 1924
42nd Wettest Wettest since: 1974 1904
Feb–Apr 1975
3-Month
11.04"
(280.42mm)
9.23"
(234.44mm)
1.81"
(45.98mm)
99th Driest Driest since: 1973 1911
27th Wettest Wettest since: 1974 1904
Jan–Apr 1975
4-Month
16.61"
(421.89mm)
13.75"
(349.25mm)
2.86"
(72.64mm)
107th Driest Driest since: 1973 1977
19th Wettest Wettest since: 1974 1904
Dec 1974–Apr 1975
5-Month
22.05"
(560.07mm)
18.40"
(467.36mm)
3.65"
(92.71mm)
103rd Driest Driest since: 1973 1977
22nd Wettest Wettest since: 1974 1997
Nov 1974–Apr 1975
6-Month
25.66"
(651.76mm)
22.75"
(577.85mm)
2.91"
(73.91mm)
97th Driest Driest since: 1973 1977
28th Wettest Wettest since: 1974 1974
Oct 1974–Apr 1975
7-Month
26.81"
(680.97mm)
25.31"
(642.87mm)
1.50"
(38.10mm)
82nd Driest Driest since: 1973 1977
43rd Wettest Wettest since: 1974 1974
Sep 1974–Apr 1975
8-Month
27.03"
(686.56mm)
26.73"
(678.94mm)
0.30"
(7.62mm)
68th Driest Driest since: 1973 1977
57th Wettest Wettest since: 1974 1974
Aug 1974–Apr 1975
9-Month
27.43"
(696.72mm)
27.53"
(699.26mm)
-0.10"
(-2.54mm)
66th Driest Driest since: 1973 1977
59th Wettest Wettest since: 1974 1974
Jul 1974–Apr 1975
10-Month
28.66"
(727.96mm)
28.26"
(717.80mm)
0.40"
(10.16mm)
75th Driest Driest since: 1973 1977
50th Wettest Wettest since: 1974 1974
Jun 1974–Apr 1975
11-Month
29.57"
(751.08mm)
29.99"
(761.75mm)
-0.42"
(-10.67mm)
64th Driest Driest since: 1973 1977
61st Wettest Wettest since: 1974 1974
May 1974–Apr 1975
12-Month
31.12"
(790.45mm)
32.13"
(816.10mm)
-1.01"
(-25.65mm)
50th Driest Driest since: 1973 1977
75th Wettest Wettest since: 1974 1997
Nov 1973–Apr 1975
18-Month
65.39"
(1,660.91mm)
54.88"
(1,393.95mm)
10.51"
(266.96mm)
115th Driest Driest since: 1974 1930
9th Wettest Wettest since: 1972 1997
May 1973–Apr 1975
24-Month
73.89"
(1,876.81mm)
64.29"
(1,632.97mm)
9.60"
(243.84mm)
115th Driest Driest since: 1974 1930
9th Wettest Wettest since: 1972 1997
May 1972–Apr 1975
36-Month
99.79"
(2,534.67mm)
96.34"
(2,447.04mm)
3.45"
(87.63mm)
88th Driest Driest since: 1970 1931
35th Wettest Wettest since: 1974 1997
May 1971–Apr 1975
48-Month
138.73"
(3,523.74mm)
128.37"
(3,260.60mm)
10.36"
(263.14mm)
109th Driest Driest since: 1973 1932
13th Wettest Wettest since: 1974 1999
May 1970–Apr 1975
60-Month
175.76"
(4,464.30mm)
160.35"
(4,072.89mm)
15.41"
(391.41mm)
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 January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/