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


West Climate Region

Precipitation Rankings, April 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 2009
1-Month
0.77"
(19.56mm)
1.33"
(33.78mm)
-0.56"
(-14.22mm)
34th Driest Driest since: 2008 1909
92nd Wettest Wettest since: 2007 1935
Mar–Apr 2009
2-Month
2.37"
(60.20mm)
3.67"
(93.22mm)
-1.30"
(-33.02mm)
31st Driest Driest since: 2008 2008
95th Wettest Wettest since: 2006 1983
Ties: 1924
Feb–Apr 2009
3-Month
5.57"
(141.48mm)
6.39"
(162.31mm)
-0.82"
(-20.83mm)
54th Driest Driest since: 2008 1997
72nd Wettest Wettest since: 2006 1983
Jan–Apr 2009
4-Month
6.67"
(169.42mm)
9.37"
(238.00mm)
-2.70"
(-68.58mm)
33rd Driest Driest since: 2007 2013
93rd Wettest Wettest since: 2008 1995
Dec 2008–Apr 2009
5-Month
8.93"
(226.82mm)
11.92"
(302.77mm)
-2.99"
(-75.95mm)
30th Driest Driest since: 2007 1977
95th Wettest Wettest since: 2008 1978
Nov 2008–Apr 2009
6-Month
10.81"
(274.57mm)
13.79"
(350.27mm)
-2.98"
(-75.70mm)
36th Driest Driest since: 2008 1977
89th Wettest Wettest since: 2006 1983
Oct 2008–Apr 2009
7-Month
11.37"
(288.80mm)
14.82"
(376.43mm)
-3.45"
(-87.63mm)
31st Driest Driest since: 2007 1977
94th Wettest Wettest since: 2008 1983
Sep 2008–Apr 2009
8-Month
11.45"
(290.83mm)
15.31"
(388.87mm)
-3.86"
(-98.04mm)
25th Driest Driest since: 2007 1977
100th Wettest Wettest since: 2008 1983
Aug 2008–Apr 2009
9-Month
11.59"
(294.39mm)
15.70"
(398.78mm)
-4.11"
(-104.39mm)
22nd Driest Driest since: 2007 1977
103rd Wettest Wettest since: 2008 1983
Jul 2008–Apr 2009
10-Month
11.81"
(299.97mm)
16.03"
(407.16mm)
-4.22"
(-107.19mm)
20th Driest Driest since: 2007 1977
105th Wettest Wettest since: 2008 1983
Jun 2008–Apr 2009
11-Month
11.93"
(303.02mm)
16.52"
(419.61mm)
-4.59"
(-116.59mm)
15th Driest Driest since: 2007 1977
110th Wettest Wettest since: 2008 1983
May 2008–Apr 2009
12-Month
12.66"
(321.56mm)
17.44"
(442.98mm)
-4.78"
(-121.42mm)
16th Driest Driest since: 2007 1977
109th Wettest Wettest since: 2008 1983
Nov 2007–Apr 2009
18-Month
23.40"
(594.36mm)
31.22"
(792.99mm)
-7.82"
(-198.63mm)
17th Driest Driest since: 2008 1977
107th Wettest Wettest since: 2007 1983
May 2007–Apr 2009
24-Month
26.29"
(667.77mm)
34.90"
(886.46mm)
-8.61"
(-218.69mm)
11th Driest Driest since: 2008 1977
113th Wettest Wettest since: 2007 1983
May 2006–Apr 2009
36-Month
37.23"
(945.64mm)
52.30"
(1,328.42mm)
-15.07"
(-382.78mm)
3rd Driest Driest since: 1931 1931
120th Wettest Wettest since: 2008 1984
May 2005–Apr 2009
48-Month
61.30"
(1,557.02mm)
69.56"
(1,766.82mm)
-8.26"
(-209.80mm)
25th Driest Driest since: 2004 2015
97th Wettest Wettest since: 2008 1998
May 2004–Apr 2009
60-Month
82.94"
(2,106.68mm)
86.83"
(2,205.48mm)
-3.89"
(-98.80mm)
51st Driest Driest since: 2005 1933
70th Wettest Wettest since: 2008 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published December 2019, retrieved on December 16, 2019 from https://www.ncdc.noaa.gov/cag/