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 2021. For more information, please see Climatological Rankings.


West Climate Region

Precipitation Rankings, May 2017

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2017
1-Month
0.47"
(11.94mm)
0.92"
(23.37mm)
-0.45"
(-11.43mm)
26th Driest Driest since: 2012 1924
102nd Wettest Wettest since: 2016 1998
Ties: 1975
Apr–May 2017
2-Month
2.55"
(64.77mm)
2.26"
(57.40mm)
0.29"
(7.37mm)
85th Driest Driest since: 2016 1909
43rd Wettest Wettest since: 2011 1896
Mar–May 2017
3-Month
4.45"
(113.03mm)
4.59"
(116.59mm)
-0.14"
(-3.56mm)
67th Driest Driest since: 2015 2008
61st Wettest Wettest since: 2016 1995
Feb–May 2017
4-Month
9.76"
(247.90mm)
7.31"
(185.67mm)
2.45"
(62.23mm)
111th Driest Driest since: 2016 1997
17th Wettest Wettest since: 1998 1998
Jan–May 2017
5-Month
16.78"
(426.21mm)
10.29"
(261.37mm)
6.49"
(164.84mm)
123rd Driest Driest since: 2016 2013
5th Wettest Wettest since: 1998 1998
Dec 2016–May 2017
6-Month
20.23"
(513.84mm)
12.84"
(326.14mm)
7.39"
(187.70mm)
120th Driest Driest since: 2016 1924
7th Wettest Wettest since: 1998 1995
Nov 2016–May 2017
7-Month
21.70"
(551.18mm)
14.71"
(373.63mm)
6.99"
(177.55mm)
119th Driest Driest since: 2016 1977
8th Wettest Wettest since: 1998 1995
Oct 2016–May 2017
8-Month
24.51"
(622.55mm)
15.74"
(399.80mm)
8.77"
(222.75mm)
123rd Driest Driest since: 2016 1977
4th Wettest Wettest since: 1998 1983
Sep 2016–May 2017
9-Month
24.82"
(630.43mm)
16.23"
(412.24mm)
8.59"
(218.19mm)
122nd Driest Driest since: 2016 2021
5th Wettest Wettest since: 1998 1983
Aug 2016–May 2017
10-Month
24.99"
(634.75mm)
16.62"
(422.15mm)
8.37"
(212.60mm)
121st Driest Driest since: 2016 2021
6th Wettest Wettest since: 1998 1983
Jul 2016–May 2017
11-Month
25.11"
(637.79mm)
16.95"
(430.53mm)
8.16"
(207.26mm)
121st Driest Driest since: 2016 2021
6th Wettest Wettest since: 1998 1983
Jun 2016–May 2017
12-Month
25.45"
(646.43mm)
17.44"
(442.98mm)
8.01"
(203.45mm)
122nd Driest Driest since: 2016 2021
5th Wettest Wettest since: 1998 1983
Dec 2015–May 2017
18-Month
39.83"
(1,011.68mm)
30.25"
(768.35mm)
9.58"
(243.33mm)
115th Driest Driest since: 2016 1977
11th Wettest Wettest since: 2006 1983
Jun 2015–May 2017
24-Month
44.57"
(1,132.08mm)
34.89"
(886.21mm)
9.68"
(245.87mm)
115th Driest Driest since: 2016 2021
11th Wettest Wettest since: 2006 1983
Jun 2014–May 2017
36-Month
58.65"
(1,489.71mm)
52.30"
(1,328.42mm)
6.35"
(161.29mm)
100th Driest Driest since: 2016 2014
25th Wettest Wettest since: 2006 1984
Jun 2013–May 2017
48-Month
69.84"
(1,773.94mm)
69.56"
(1,766.82mm)
0.28"
(7.12mm)
71st Driest Driest since: 2016 2015
53rd Wettest Wettest since: 2008 1998
Jun 2012–May 2017
60-Month
82.68"
(2,100.07mm)
86.83"
(2,205.48mm)
-4.15"
(-105.41mm)
52nd 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 2022, retrieved on January 28, 2022 from https://www.ncdc.noaa.gov/cag/