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


Northwest Climate Region

Precipitation Rankings, April 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 1977
1-Month
0.72"
(18.29mm)
2.36"
(59.94mm)
-1.64"
(-41.65mm)
1st Driest Driest to Date 1977
126th Wettest Wettest since: 1976 1937
Mar–Apr 1977
2-Month
4.02"
(102.11mm)
5.62"
(142.75mm)
-1.60"
(-40.64mm)
15th Driest Driest since: 1973 1924
112th Wettest Wettest since: 1976 1904
Feb–Apr 1977
3-Month
5.88"
(149.35mm)
9.23"
(234.44mm)
-3.35"
(-85.09mm)
4th Driest Driest since: 1973 1911
123rd Wettest Wettest since: 1976 1904
Jan–Apr 1977
4-Month
7.30"
(185.42mm)
13.75"
(349.25mm)
-6.45"
(-163.83mm)
1st Driest Driest to Date 1977
126th Wettest Wettest since: 1976 1904
Dec 1976–Apr 1977
5-Month
8.61"
(218.69mm)
18.40"
(467.36mm)
-9.79"
(-248.67mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1997
Nov 1976–Apr 1977
6-Month
9.62"
(244.35mm)
22.75"
(577.85mm)
-13.13"
(-333.50mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
Oct 1976–Apr 1977
7-Month
10.76"
(273.30mm)
25.31"
(642.87mm)
-14.55"
(-369.57mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
Sep 1976–Apr 1977
8-Month
11.96"
(303.78mm)
26.73"
(678.94mm)
-14.77"
(-375.16mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
Aug 1976–Apr 1977
9-Month
14.45"
(367.03mm)
27.53"
(699.26mm)
-13.08"
(-332.23mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
Jul 1976–Apr 1977
10-Month
15.38"
(390.65mm)
28.26"
(717.80mm)
-12.88"
(-327.15mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
Jun 1976–Apr 1977
11-Month
16.62"
(422.15mm)
29.99"
(761.75mm)
-13.37"
(-339.60mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1974
May 1976–Apr 1977
12-Month
18.02"
(457.71mm)
32.13"
(816.10mm)
-14.11"
(-358.39mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1997
Nov 1975–Apr 1977
18-Month
41.94"
(1,065.28mm)
54.88"
(1,393.95mm)
-12.94"
(-328.67mm)
2nd Driest Driest since: 1930 1930
123rd Wettest Wettest since: 1976 1997
May 1975–Apr 1977
24-Month
53.34"
(1,354.84mm)
64.29"
(1,632.97mm)
-10.95"
(-278.13mm)
5th Driest Driest since: 1945 1930
120th Wettest Wettest since: 1976 1997
May 1974–Apr 1977
36-Month
84.46"
(2,145.28mm)
96.34"
(2,447.04mm)
-11.88"
(-301.76mm)
7th Driest Driest since: 1941 1931
117th Wettest Wettest since: 1976 1997
May 1973–Apr 1977
48-Month
127.23"
(3,231.64mm)
128.37"
(3,260.60mm)
-1.14"
(-28.96mm)
56th Driest Driest since: 1969 1932
67th Wettest Wettest since: 1976 1999
May 1972–Apr 1977
60-Month
153.13"
(3,889.50mm)
160.35"
(4,072.89mm)
-7.22"
(-183.39mm)
29th Driest Driest since: 1945 1933
93rd Wettest Wettest since: 1976 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/