Climate at a Glance

Statewide 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 September 2020. For more information, please see Climatological Rankings.


Washington

Precipitation Rankings, April 1999

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 1999
1-Month
1.46"
(37.08mm)
2.83"
(71.88mm)
-1.37"
(-34.80mm)
18th Driest Driest since: 1977 1956
109th Wettest Wettest since: 1998 1937
Mar–Apr 1999
2-Month
5.97"
(151.64mm)
6.98"
(177.29mm)
-1.01"
(-25.65mm)
36th Driest Driest since: 1998 1926
91st Wettest Wettest since: 1997 2017
Feb–Apr 1999
3-Month
15.90"
(403.86mm)
11.72"
(297.69mm)
4.18"
(106.17mm)
113th Driest Driest since: 1998 1911
14th Wettest Wettest since: 1997 2017
Jan–Apr 1999
4-Month
23.43"
(595.12mm)
17.78"
(451.61mm)
5.65"
(143.51mm)
119th Driest Driest since: 1998 1985
8th Wettest Wettest since: 1974 1961
Dec 1998–Apr 1999
5-Month
33.49"
(850.65mm)
24.29"
(616.97mm)
9.20"
(233.68mm)
122nd Driest Driest since: 1998 1977
4th Wettest Wettest since: 1997 1997
Nov 1998–Apr 1999
6-Month
43.53"
(1,105.66mm)
30.43"
(772.92mm)
13.10"
(332.74mm)
124th Driest Driest since: 1998 1977
2nd Wettest Wettest since: 1974 1974
Oct 1998–Apr 1999
7-Month
46.29"
(1,175.77mm)
34.12"
(866.65mm)
12.17"
(309.12mm)
122nd Driest Driest since: 1998 1977
4th Wettest Wettest since: 1997 1974
Sep 1998–Apr 1999
8-Month
46.95"
(1,192.53mm)
36.07"
(916.18mm)
10.88"
(276.35mm)
121st Driest Driest since: 1998 1977
5th Wettest Wettest since: 1997 1974
Aug 1998–Apr 1999
9-Month
47.16"
(1,197.86mm)
37.10"
(942.34mm)
10.06"
(255.52mm)
120th Driest Driest since: 1998 1977
6th Wettest Wettest since: 1997 1974
Jul 1998–Apr 1999
10-Month
48.23"
(1,225.04mm)
38.00"
(965.20mm)
10.23"
(259.84mm)
119th Driest Driest since: 1998 1977
7th Wettest Wettest since: 1997 1974
Jun 1998–Apr 1999
11-Month
49.84"
(1,265.94mm)
39.89"
(1,013.21mm)
9.95"
(252.73mm)
119th Driest Driest since: 1998 1977
7th Wettest Wettest since: 1997 1974
May 1998–Apr 1999
12-Month
53.50"
(1,358.90mm)
42.14"
(1,070.36mm)
11.36"
(288.54mm)
122nd Driest Driest since: 1998 1977
4th Wettest Wettest since: 1997 1997
Nov 1997–Apr 1999
18-Month
80.64"
(2,048.26mm)
72.57"
(1,843.28mm)
8.07"
(204.98mm)
104th Driest Driest since: 1995 1930
21st Wettest Wettest since: 1998 1997
May 1997–Apr 1999
24-Month
99.71"
(2,532.63mm)
84.31"
(2,141.47mm)
15.40"
(391.16mm)
120th Driest Driest since: 1995 1930
5th Wettest Wettest since: 1998 1997
May 1996–Apr 1999
36-Month
155.65"
(3,953.51mm)
126.39"
(3,210.31mm)
29.26"
(743.20mm)
121st Driest Driest since: 1996 1931
3rd Wettest Wettest since: 1998 1997
May 1995–Apr 1999
48-Month
209.77"
(5,328.16mm)
168.47"
(4,279.14mm)
41.30"
(1,049.02mm)
122nd Driest Driest since: 1998 1931
1st Wettest Wettest to Date 1999
May 1994–Apr 1999
60-Month
256.06"
(6,503.92mm)
210.46"
(5,345.68mm)
45.60"
(1,158.24mm)
121st Driest Driest since: 1998 1930
1st Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 20, 2020 from https://www.ncdc.noaa.gov/cag/