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.


Southwest Climate Region

Precipitation Rankings, May 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1999
1-Month
1.40"
(35.56mm)
1.11"
(28.19mm)
0.29"
(7.37mm)
101st 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)
122nd 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)
110th 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)
92nd 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)
79th 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)
62nd 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)
64th Driest Driest since: 1996 2002
63rd Wettest Wettest since: 1998 1941
Oct 1998–May 1999
8-Month
9.25"
(234.95mm)
8.34"
(211.84mm)
0.91"
(23.11mm)
93rd 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)
86th 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)
79th 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)
97th Driest Driest since: 1997 2021
30th Wettest Wettest since: 1998 1941
Jun 1998–May 1999
12-Month
15.69"
(398.53mm)
14.53"
(369.06mm)
1.16"
(29.47mm)
91st Driest Driest since: 1996 2021
36th Wettest Wettest since: 1998 1905
Dec 1997–May 1999
18-Month
22.81"
(579.37mm)
20.86"
(529.84mm)
1.95"
(49.53mm)
98th Driest Driest since: 1997 2021
28th Wettest Wettest since: 1998 1942
Jun 1997–May 1999
24-Month
33.13"
(841.50mm)
29.05"
(737.87mm)
4.08"
(103.63mm)
108th Driest Driest since: 1997 2021
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)
112th 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)
90th 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)
98th 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 January 2022, retrieved on January 18, 2022 from https://www.ncdc.noaa.gov/cag/