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 September 2021. For more information, please see Climatological Rankings.


Southwest Climate Region

Precipitation Rankings, August 1999

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
August 1999
1-Month
2.84"
(72.14mm)
2.02"
(51.31mm)
0.82"
(20.83mm)
121st Driest Driest since: 1998 1962
7th Wettest Wettest since: 1993 1963
Jul–Aug 1999
2-Month
5.61"
(142.49mm)
3.89"
(98.81mm)
1.72"
(43.68mm)
126th Driest Driest since: 1998 2020
2nd Wettest Wettest since: 1921 1921
Jun–Aug 1999
3-Month
6.78"
(172.21mm)
4.83"
(122.68mm)
1.95"
(49.53mm)
125th Driest Driest since: 1998 2020
3rd Wettest Wettest since: 1984 1921
May–Aug 1999
4-Month
8.18"
(207.77mm)
5.94"
(150.88mm)
2.24"
(56.89mm)
124th Driest Driest since: 1998 2020
4th Wettest Wettest since: 1921 1921
Apr–Aug 1999
5-Month
10.56"
(268.22mm)
7.00"
(177.80mm)
3.56"
(90.42mm)
127th Driest Driest since: 1998 2020
1st Wettest Wettest to Date 1999
Mar–Aug 1999
6-Month
11.12"
(282.45mm)
8.15"
(207.01mm)
2.97"
(75.44mm)
126th Driest Driest since: 1998 2002
2nd Wettest Wettest since: 1941 1941
Feb–Aug 1999
7-Month
11.58"
(294.13mm)
9.16"
(232.66mm)
2.42"
(61.47mm)
123rd Driest Driest since: 1998 2002
5th Wettest Wettest since: 1957 1941
Jan–Aug 1999
8-Month
12.24"
(310.90mm)
10.14"
(257.56mm)
2.10"
(53.34mm)
117th Driest Driest since: 1998 2002
11th Wettest Wettest since: 1993 1941
Dec 1998–Aug 1999
9-Month
12.73"
(323.34mm)
11.15"
(283.21mm)
1.58"
(40.13mm)
106th Driest Driest since: 1998 2002
21st Wettest Wettest since: 1995 1941
Nov 1998–Aug 1999
10-Month
13.72"
(348.49mm)
12.04"
(305.82mm)
1.68"
(42.67mm)
106th Driest Driest since: 1998 2002
21st Wettest Wettest since: 1995 1941
Oct 1998–Aug 1999
11-Month
16.03"
(407.16mm)
13.17"
(334.52mm)
2.86"
(72.64mm)
114th Driest Driest since: 1998 2002
13th Wettest Wettest since: 1995 1941
Sep 1998–Aug 1999
12-Month
17.21"
(437.13mm)
14.54"
(369.32mm)
2.67"
(67.81mm)
109th Driest Driest since: 1998 2002
18th Wettest Wettest since: 1995 1941
Mar 1998–Aug 1999
18-Month
25.79"
(655.07mm)
22.69"
(576.33mm)
3.10"
(78.74mm)
108th Driest Driest since: 1997 2002
19th Wettest Wettest since: 1998 1942
Sep 1997–Aug 1999
24-Month
34.24"
(869.70mm)
29.09"
(738.89mm)
5.15"
(130.81mm)
115th Driest Driest since: 1998 2003
11th Wettest Wettest since: 1993 1942
Sep 1996–Aug 1999
36-Month
50.84"
(1,291.34mm)
43.58"
(1,106.93mm)
7.26"
(184.41mm)
116th Driest Driest since: 1998 1956
9th Wettest Wettest since: 1987 1907
Sep 1995–Aug 1999
48-Month
62.88"
(1,597.15mm)
58.05"
(1,474.47mm)
4.83"
(122.68mm)
103rd Driest Driest since: 1997 1956
21st Wettest Wettest since: 1998 1986
Sep 1994–Aug 1999
60-Month
80.39"
(2,041.91mm)
72.53"
(1,842.26mm)
7.86"
(199.65mm)
113th Driest Driest since: 1998 2004
10th Wettest Wettest since: 1995 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 23, 2021 from https://www.ncdc.noaa.gov/cag/