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


West Climate Region

Precipitation Rankings, July 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 2018
1-Month
0.42"
(10.67mm)
0.32"
(8.13mm)
0.10"
(2.54mm)
92nd Driest Driest since: 2017 1963
34th Wettest Wettest since: 2015 1984
Ties: 1904, 1969, 1987
Jun–Jul 2018
2-Month
0.52"
(13.21mm)
0.82"
(20.83mm)
-0.30"
(-7.62mm)
39th Driest Driest since: 2016 1924
87th Wettest Wettest since: 2017 1913
Ties: 1904
May–Jul 2018
3-Month
1.52"
(38.61mm)
1.74"
(44.20mm)
-0.22"
(-5.59mm)
57th Driest Driest since: 2017 1924
69th Wettest Wettest since: 2015 1998
Apr–Jul 2018
4-Month
3.13"
(79.50mm)
3.07"
(77.98mm)
0.06"
(1.52mm)
71st Driest Driest since: 2016 1924
55th Wettest Wettest since: 2017 1998
Mar–Jul 2018
5-Month
6.81"
(172.97mm)
5.40"
(137.16mm)
1.41"
(35.81mm)
101st Driest Driest since: 2017 2008
25th Wettest Wettest since: 2011 1995
Feb–Jul 2018
6-Month
7.32"
(185.93mm)
8.12"
(206.25mm)
-0.80"
(-20.32mm)
59th Driest Driest since: 2016 2013
67th Wettest Wettest since: 2017 1998
Jan–Jul 2018
7-Month
9.67"
(245.62mm)
11.10"
(281.94mm)
-1.43"
(-36.32mm)
51st Driest Driest since: 2015 2013
75th Wettest Wettest since: 2017 1998
Dec 2017–Jul 2018
8-Month
9.93"
(252.22mm)
13.65"
(346.71mm)
-3.72"
(-94.49mm)
22nd Driest Driest since: 2014 1924
103rd Wettest Wettest since: 2017 1998
Nov 2017–Jul 2018
9-Month
12.04"
(305.82mm)
15.53"
(394.46mm)
-3.49"
(-88.64mm)
28th Driest Driest since: 2014 1924
97th Wettest Wettest since: 2017 1998
Oct 2017–Jul 2018
10-Month
12.31"
(312.67mm)
16.55"
(420.37mm)
-4.24"
(-107.70mm)
19th Driest Driest since: 2014 1924
106th Wettest Wettest since: 2017 1983
Sep 2017–Jul 2018
11-Month
12.96"
(329.18mm)
17.05"
(433.07mm)
-4.09"
(-103.89mm)
21st Driest Driest since: 2014 1924
104th Wettest Wettest since: 2017 1983
Aug 2017–Jul 2018
12-Month
13.38"
(339.85mm)
17.44"
(442.98mm)
-4.06"
(-103.13mm)
25th Driest Driest since: 2014 1924
100th Wettest Wettest since: 2017 1983
Feb 2017–Jul 2018
18-Month
23.82"
(605.03mm)
25.54"
(648.72mm)
-1.72"
(-43.69mm)
51st Driest Driest since: 2015 2014
74th Wettest Wettest since: 2017 1983
Aug 2016–Jul 2018
24-Month
39.05"
(991.87mm)
34.89"
(886.21mm)
4.16"
(105.66mm)
98th Driest Driest since: 2016 1977
26th Wettest Wettest since: 2017 1983
Aug 2015–Jul 2018
36-Month
57.38"
(1,457.45mm)
52.31"
(1,328.67mm)
5.07"
(128.78mm)
93rd Driest Driest since: 2016 2014
30th Wettest Wettest since: 2017 1984
Aug 2014–Jul 2018
48-Month
72.18"
(1,833.37mm)
69.58"
(1,767.33mm)
2.60"
(66.04mm)
80th Driest Driest since: 2017 2015
42nd Wettest Wettest since: 2006 1998
Aug 2013–Jul 2018
60-Month
83.15"
(2,112.01mm)
86.84"
(2,205.74mm)
-3.69"
(-93.73mm)
53rd Driest Driest since: 2017 1933
68th Wettest Wettest since: 2009 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 5, 2019 from https://www.ncdc.noaa.gov/cag/