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, May 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1899
1-Month
0.94"
(23.88mm)
0.92"
(23.37mm)
0.02"
(0.51mm)
76th Driest Driest since: 1897 1924
51st Wettest Wettest since: 1898 1998
Ties: 1922
Apr–May 1899
2-Month
1.54"
(39.12mm)
2.26"
(57.40mm)
-0.72"
(-18.28mm)
31st Driest Driest since: 1897 1909
96th Wettest Wettest since: 1898 1896
Ties: 1937
Mar–May 1899
3-Month
5.71"
(145.03mm)
4.59"
(116.59mm)
1.12"
(28.44mm)
99th Driest Driest since: 1898 2008
28th Wettest Wettest since: 1896 1995
Ties: 1952
Feb–May 1899
4-Month
6.42"
(163.07mm)
7.31"
(185.67mm)
-0.89"
(-22.60mm)
53rd Driest Driest since: 1898 1997
74th Wettest Wettest since: 1897 1998
Jan–May 1899
5-Month
9.87"
(250.70mm)
10.29"
(261.37mm)
-0.42"
(-10.67mm)
68th Driest Driest since: 1898 2013
59th Wettest Wettest since: 1897 1998
Dec 1898–May 1899
6-Month
10.96"
(278.38mm)
12.84"
(326.14mm)
-1.88"
(-47.76mm)
51st Driest Driest since: 1898 1924
75th Wettest Wettest since: 1897 1995
Nov 1898–May 1899
7-Month
12.33"
(313.18mm)
14.71"
(373.63mm)
-2.38"
(-60.45mm)
46th Driest Driest since: 1898 1977
80th Wettest Wettest since: 1897 1995
Ties: 1949
Oct 1898–May 1899
8-Month
12.86"
(326.64mm)
15.74"
(399.80mm)
-2.88"
(-73.16mm)
42nd Driest Driest since: 1898 1977
84th Wettest Wettest since: 1897 1983
Sep 1898–May 1899
9-Month
13.37"
(339.60mm)
16.23"
(412.24mm)
-2.86"
(-72.64mm)
43rd Driest Driest since: 1898 1924
83rd Wettest Wettest since: 1897 1983
Aug 1898–May 1899
10-Month
13.76"
(349.50mm)
16.62"
(422.15mm)
-2.86"
(-72.65mm)
42nd Driest Driest since: 1898 1924
84th Wettest Wettest since: 1897 1983
Jul 1898–May 1899
11-Month
13.91"
(353.31mm)
16.95"
(430.53mm)
-3.04"
(-77.22mm)
41st Driest Driest since: 1898 1924
85th Wettest Wettest since: 1897 1983
Jun 1898–May 1899
12-Month
14.30"
(363.22mm)
17.44"
(442.98mm)
-3.14"
(-79.76mm)
39th Driest Driest since: 1898 1924
87th Wettest Wettest since: 1897 1983
Dec 1897–May 1899
18-Month
22.77"
(578.36mm)
30.25"
(768.35mm)
-7.48"
(-189.99mm)
13th Driest Driest to Date 1977
112th Wettest Wettest since: 1898 1983
Ties: 1925
Jun 1897–May 1899
24-Month
27.60"
(701.04mm)
34.89"
(886.21mm)
-7.29"
(-185.17mm)
19th Driest Driest to Date 1977
106th Wettest Wettest since: 1898 1983
Jun 1896–May 1899
36-Month
46.93"
(1,192.02mm)
52.30"
(1,328.42mm)
-5.37"
(-136.40mm)
35th Driest Driest to Date 2014
89th Wettest Wettest since: 1898 1984
Jun 1895–May 1899
48-Month
65.15"
(1,654.81mm)
69.56"
(1,766.82mm)
-4.41"
(-112.01mm)
47th Driest Driest to Date 2015
76th Wettest Wettest to Date 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2021, retrieved on January 27, 2021 from https://www.ncdc.noaa.gov/cag/