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


West Climate Region

Precipitation Rankings, May 2004

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
May 2004
1-Month
0.51"
(12.95mm)
0.92"
(23.37mm)
-0.41"
(-10.42mm)
33rd Driest Driest since: 2002 1924
94th Wettest Wettest since: 2003 1998
Ties: 1965, 2002
Apr–May 2004
2-Month
1.34"
(34.04mm)
2.26"
(57.40mm)
-0.92"
(-23.36mm)
20th Driest Driest since: 1997 1909
107th Wettest Wettest since: 2003 1896
Mar–May 2004
3-Month
2.12"
(53.85mm)
4.59"
(116.59mm)
-2.47"
(-62.74mm)
7th Driest Driest since: 1997 2008
120th Wettest Wettest since: 2003 1995
Feb–May 2004
4-Month
6.25"
(158.75mm)
7.31"
(185.67mm)
-1.06"
(-26.92mm)
48th Driest Driest since: 2002 1997
79th Wettest Wettest since: 2003 1998
Jan–May 2004
5-Month
7.80"
(198.12mm)
10.29"
(261.37mm)
-2.49"
(-63.25mm)
33rd Driest Driest since: 2002 2013
94th Wettest Wettest since: 2003 1998
Dec 2003–May 2004
6-Month
11.90"
(302.26mm)
12.84"
(326.14mm)
-0.94"
(-23.88mm)
62nd Driest Driest since: 2002 1924
64th Wettest Wettest since: 2003 1995
Nov 2003–May 2004
7-Month
13.69"
(347.73mm)
14.71"
(373.63mm)
-1.02"
(-25.90mm)
59th Driest Driest since: 2002 1977
67th Wettest Wettest since: 2003 1995
Oct 2003–May 2004
8-Month
13.79"
(350.27mm)
15.74"
(399.80mm)
-1.95"
(-49.53mm)
51st Driest Driest since: 2002 1977
75th Wettest Wettest since: 2003 1983
Sep 2003–May 2004
9-Month
14.02"
(356.11mm)
16.23"
(412.24mm)
-2.21"
(-56.13mm)
50th Driest Driest since: 2002 1924
76th Wettest Wettest since: 2003 1983
Aug 2003–May 2004
10-Month
14.83"
(376.68mm)
16.62"
(422.15mm)
-1.79"
(-45.47mm)
55th Driest Driest since: 2002 1924
71st Wettest Wettest since: 2003 1983
Jul 2003–May 2004
11-Month
15.17"
(385.32mm)
16.95"
(430.53mm)
-1.78"
(-45.21mm)
55th Driest Driest since: 2002 1924
71st Wettest Wettest since: 2003 1983
Jun 2003–May 2004
12-Month
15.23"
(386.84mm)
17.44"
(442.98mm)
-2.21"
(-56.14mm)
49th Driest Driest since: 2002 1924
77th Wettest Wettest since: 2003 1983
Dec 2002–May 2004
18-Month
29.69"
(754.13mm)
30.25"
(768.35mm)
-0.56"
(-14.22mm)
65th Driest Driest since: 2003 1977
60th Wettest Wettest since: 1999 1983
Jun 2002–May 2004
24-Month
32.72"
(831.09mm)
34.89"
(886.21mm)
-2.17"
(-55.12mm)
48th Driest Driest since: 2003 1977
77th Wettest Wettest since: 2000 1983
Jun 2001–May 2004
36-Month
46.36"
(1,177.54mm)
52.30"
(1,328.42mm)
-5.94"
(-150.88mm)
34th Driest Driest since: 2003 2014
90th Wettest Wettest since: 2001 1984
Jun 2000–May 2004
48-Month
59.78"
(1,518.41mm)
69.56"
(1,766.82mm)
-9.78"
(-248.41mm)
17th Driest Driest since: 1992 2015
106th Wettest Wettest since: 2003 1998
Jun 1999–May 2004
60-Month
76.09"
(1,932.69mm)
86.83"
(2,205.48mm)
-10.74"
(-272.79mm)
14th Driest Driest since: 1992 1933
108th Wettest Wettest since: 2003 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2020, retrieved on October 23, 2020 from https://www.ncdc.noaa.gov/cag/