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


Southwest Climate Region

Precipitation Rankings, May 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1999
1-Month
1.40"
(35.56mm)
1.11"
(28.19mm)
0.29"
(7.37mm)
99th Driest Driest since: 1998 1974
27th Wettest Wettest since: 1995 2015
Apr–May 1999
2-Month
3.78"
(96.01mm)
2.17"
(55.12mm)
1.61"
(40.89mm)
120th Driest Driest since: 1998 2002
6th Wettest Wettest since: 1957 1941
Mar–May 1999
3-Month
4.34"
(110.24mm)
3.33"
(84.58mm)
1.01"
(25.66mm)
108th Driest Driest since: 1998 2002
18th Wettest Wettest since: 1995 1941
Feb–May 1999
4-Month
4.80"
(121.92mm)
4.33"
(109.98mm)
0.47"
(11.94mm)
90th Driest Driest since: 1997 2002
36th Wettest Wettest since: 1998 1905
Jan–May 1999
5-Month
5.46"
(138.68mm)
5.31"
(134.87mm)
0.15"
(3.81mm)
77th Driest Driest since: 1996 1972
49th Wettest Wettest since: 1998 1905
Dec 1998–May 1999
6-Month
5.95"
(151.13mm)
6.32"
(160.53mm)
-0.37"
(-9.40mm)
60th Driest Driest since: 1996 2002
65th Wettest Wettest since: 1998 1905
Nov 1998–May 1999
7-Month
6.94"
(176.28mm)
7.21"
(183.13mm)
-0.27"
(-6.85mm)
63rd Driest Driest since: 1996 2002
62nd Wettest Wettest since: 1998 1941
Oct 1998–May 1999
8-Month
9.25"
(234.95mm)
8.34"
(211.84mm)
0.91"
(23.11mm)
91st Driest Driest since: 1998 2002
34th Wettest Wettest since: 1995 1941
Sep 1998–May 1999
9-Month
10.43"
(264.92mm)
9.71"
(246.63mm)
0.72"
(18.29mm)
84th Driest Driest since: 1996 2002
41st Wettest Wettest since: 1998 1941
Aug 1998–May 1999
10-Month
12.09"
(307.09mm)
11.72"
(297.69mm)
0.37"
(9.40mm)
77th Driest Driest since: 1996 2002
48th Wettest Wettest since: 1998 1941
Ties: 1991
Jul 1998–May 1999
11-Month
14.96"
(379.98mm)
13.59"
(345.19mm)
1.37"
(34.79mm)
95th Driest Driest since: 1997 2002
30th Wettest Wettest since: 1998 1941
Jun 1998–May 1999
12-Month
15.69"
(398.53mm)
14.53"
(369.06mm)
1.16"
(29.47mm)
89th Driest Driest since: 1996 2002
36th Wettest Wettest since: 1998 1905
Dec 1997–May 1999
18-Month
22.81"
(579.37mm)
20.86"
(529.84mm)
1.95"
(49.53mm)
96th Driest Driest since: 1997 2013
28th Wettest Wettest since: 1998 1942
Jun 1997–May 1999
24-Month
33.13"
(841.50mm)
29.05"
(737.87mm)
4.08"
(103.63mm)
106th Driest Driest since: 1997 2003
18th Wettest Wettest since: 1998 1942
Jun 1996–May 1999
36-Month
49.12"
(1,247.65mm)
43.54"
(1,105.92mm)
5.58"
(141.73mm)
110th Driest Driest since: 1998 1904
13th Wettest Wettest since: 1994 1907
Jun 1995–May 1999
48-Month
60.32"
(1,532.13mm)
58.01"
(1,473.45mm)
2.31"
(58.68mm)
88th Driest Driest since: 1997 1904
34th Wettest Wettest since: 1998 1986
Jun 1994–May 1999
60-Month
77.09"
(1,958.09mm)
72.48"
(1,840.99mm)
4.61"
(117.10mm)
96th Driest Driest since: 1998 1957
25th Wettest Wettest since: 1996 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/