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


West Climate Region

Precipitation Rankings, July 2017

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
July 2017
1-Month
0.31"
(7.87mm)
0.32"
(8.13mm)
-0.01"
(-0.26mm)
66th Driest Driest since: 2016 1963
61st Wettest Wettest since: 2015 1984
Ties: 1919, 1923
Jun–Jul 2017
2-Month
0.68"
(17.27mm)
0.82"
(20.83mm)
-0.14"
(-3.56mm)
57th Driest Driest since: 2016 1924
70th Wettest Wettest since: 2015 1913
Ties: 1955, 1991
May–Jul 2017
3-Month
1.15"
(29.21mm)
1.74"
(44.20mm)
-0.59"
(-14.99mm)
27th Driest Driest since: 2014 1924
100th Wettest Wettest since: 2016 1998
Ties: 1904
Apr–Jul 2017
4-Month
3.23"
(82.04mm)
3.07"
(77.98mm)
0.16"
(4.06mm)
80th Driest Driest since: 2016 1924
47th Wettest Wettest since: 2015 1998
Mar–Jul 2017
5-Month
5.13"
(130.30mm)
5.40"
(137.16mm)
-0.27"
(-6.86mm)
66th Driest Driest since: 2015 2008
61st Wettest Wettest since: 2016 1995
Feb–Jul 2017
6-Month
10.44"
(265.18mm)
8.12"
(206.25mm)
2.32"
(58.93mm)
107th Driest Driest since: 2016 2013
20th Wettest Wettest since: 2011 1998
Jan–Jul 2017
7-Month
17.46"
(443.48mm)
11.10"
(281.94mm)
6.36"
(161.54mm)
121st Driest Driest since: 2016 2013
6th Wettest Wettest since: 1998 1998
Dec 2016–Jul 2017
8-Month
20.91"
(531.11mm)
13.65"
(346.71mm)
7.26"
(184.40mm)
119th Driest Driest since: 2016 1924
7th Wettest Wettest since: 1998 1998
Nov 2016–Jul 2017
9-Month
22.38"
(568.45mm)
15.53"
(394.46mm)
6.85"
(173.99mm)
117th Driest Driest since: 2016 1924
9th Wettest Wettest since: 1998 1998
Oct 2016–Jul 2017
10-Month
25.19"
(639.83mm)
16.55"
(420.37mm)
8.64"
(219.46mm)
121st Driest Driest since: 2016 1924
5th Wettest Wettest since: 1998 1983
Sep 2016–Jul 2017
11-Month
25.50"
(647.70mm)
17.05"
(433.07mm)
8.45"
(214.63mm)
121st Driest Driest since: 2016 1924
5th Wettest Wettest since: 1998 1983
Aug 2016–Jul 2017
12-Month
25.67"
(652.02mm)
17.44"
(442.98mm)
8.23"
(209.04mm)
121st Driest Driest since: 2016 1924
5th Wettest Wettest since: 1998 1983
Feb 2016–Jul 2017
18-Month
32.73"
(831.34mm)
25.54"
(648.72mm)
7.19"
(182.62mm)
115th Driest Driest since: 2016 2014
11th Wettest Wettest since: 1999 1983
Aug 2015–Jul 2017
24-Month
44.00"
(1,117.60mm)
34.89"
(886.21mm)
9.11"
(231.39mm)
115th Driest Driest since: 2016 1977
10th Wettest Wettest since: 2006 1983
Aug 2014–Jul 2017
36-Month
58.80"
(1,493.52mm)
52.31"
(1,328.67mm)
6.49"
(164.85mm)
99th Driest Driest since: 2016 2014
25th Wettest Wettest since: 2006 1984
Aug 2013–Jul 2017
48-Month
69.77"
(1,772.16mm)
69.58"
(1,767.33mm)
0.19"
(4.83mm)
69th Driest Driest since: 2016 2015
54th Wettest Wettest since: 2008 1998
Aug 2012–Jul 2017
60-Month
82.62"
(2,098.55mm)
86.84"
(2,205.74mm)
-4.22"
(-107.19mm)
51st Driest Driest since: 2016 1933
71st Wettest Wettest since: 2009 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2021, retrieved on January 16, 2021 from https://www.ncdc.noaa.gov/cag/