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 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, April 1977

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
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
125th Wettest Wettest since: 1976 1937
Mar–Apr 1977
2-Month
4.02"
(102.11mm)
5.62"
(142.75mm)
-1.60"
(-40.64mm)
14th 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
122nd 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
125th 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
124th 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
124th 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
124th 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
124th 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
124th 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
124th 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
124th 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
124th 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
122nd 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
119th 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
116th 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
66th 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
92nd Wettest Wettest since: 1976 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/