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 April 2022. For more information, please see Climatological Rankings.


West Climate Region

Precipitation Rankings, May 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2009
1-Month
0.98"
(24.89mm)
0.92"
(23.37mm)
0.06"
(1.52mm)
80th Driest Driest since: 2008 1924
48th Wettest Wettest since: 2005 1998
Apr–May 2009
2-Month
1.75"
(44.45mm)
2.26"
(57.40mm)
-0.51"
(-12.95mm)
47th Driest Driest since: 2008 1909
81st Wettest Wettest since: 2006 1896
Ties: 1986
Mar–May 2009
3-Month
3.35"
(85.09mm)
4.59"
(116.59mm)
-1.24"
(-31.50mm)
31st Driest Driest since: 2008 2008
97th Wettest Wettest since: 2006 1995
Feb–May 2009
4-Month
6.55"
(166.37mm)
7.31"
(185.67mm)
-0.76"
(-19.30mm)
57th Driest Driest since: 2008 1997
71st Wettest Wettest since: 2006 1998
Jan–May 2009
5-Month
7.65"
(194.31mm)
10.29"
(261.37mm)
-2.64"
(-67.06mm)
33rd Driest Driest since: 2007 2013
95th Wettest Wettest since: 2008 1998
Dec 2008–May 2009
6-Month
9.91"
(251.71mm)
12.84"
(326.14mm)
-2.93"
(-74.43mm)
33rd Driest Driest since: 2007 1924
94th Wettest Wettest since: 2008 1995
Nov 2008–May 2009
7-Month
11.79"
(299.47mm)
14.71"
(373.63mm)
-2.92"
(-74.16mm)
38th Driest Driest since: 2008 1977
89th Wettest Wettest since: 2006 1995
Oct 2008–May 2009
8-Month
12.35"
(313.69mm)
15.74"
(399.80mm)
-3.39"
(-86.11mm)
35th Driest Driest since: 2007 1977
92nd Wettest Wettest since: 2008 1983
Sep 2008–May 2009
9-Month
12.43"
(315.72mm)
16.23"
(412.24mm)
-3.80"
(-96.52mm)
26th Driest Driest since: 2007 2021
101st Wettest Wettest since: 2008 1983
Aug 2008–May 2009
10-Month
12.57"
(319.28mm)
16.62"
(422.15mm)
-4.05"
(-102.87mm)
26th Driest Driest since: 2007 2021
101st Wettest Wettest since: 2008 1983
Jul 2008–May 2009
11-Month
12.79"
(324.87mm)
16.95"
(430.53mm)
-4.16"
(-105.66mm)
23rd Driest Driest since: 2007 2021
104th Wettest Wettest since: 2008 1983
Jun 2008–May 2009
12-Month
12.91"
(327.91mm)
17.44"
(442.98mm)
-4.53"
(-115.07mm)
19th Driest Driest since: 2007 2021
108th Wettest Wettest since: 2008 1983
Ties: 1950
Dec 2007–May 2009
18-Month
23.76"
(603.50mm)
30.25"
(768.35mm)
-6.49"
(-164.85mm)
19th Driest Driest since: 2008 1977
107th Wettest Wettest since: 2007 1983
Jun 2007–May 2009
24-Month
26.96"
(684.78mm)
34.89"
(886.21mm)
-7.93"
(-201.43mm)
16th Driest Driest since: 2008 2021
110th Wettest Wettest since: 2007 1983
Jun 2006–May 2009
36-Month
37.56"
(954.02mm)
52.30"
(1,328.42mm)
-14.74"
(-374.40mm)
3rd Driest Driest since: 1931 2014
122nd Wettest Wettest since: 2008 1984
Jun 2005–May 2009
48-Month
59.97"
(1,523.24mm)
69.56"
(1,766.82mm)
-9.59"
(-243.58mm)
20th Driest Driest since: 2004 2015
104th Wettest Wettest since: 2008 1998
Jun 2004–May 2009
60-Month
83.41"
(2,118.61mm)
86.83"
(2,205.48mm)
-3.42"
(-86.87mm)
58th Driest Driest since: 2005 1933
65th Wettest Wettest since: 2008 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 25, 2022 from https://www.ncdc.noaa.gov/cag/