Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, August 2002

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 2002
1-Month
1.16"
(29.46mm)
2.02"
(51.31mm)
-0.86"
(-21.85mm)
13th Driest
Driest since:
1962
116th Wettest
Wettest since:
1963
Jul–Aug 2002
2-Month
2.54"
(64.52mm)
3.89"
(98.81mm)
-1.35"
(-34.29mm)
7th Driest
Driest since:
2020
122nd Wettest
Wettest since:
1921
Ties: 2003
Jun–Aug 2002
3-Month
3.00"
(76.20mm)
4.83"
(122.68mm)
-1.83"
(-46.48mm)
5th Driest
Driest since:
2020
124th Wettest
Wettest since:
1921
May–Aug 2002
4-Month
3.26"
(82.80mm)
5.94"
(150.88mm)
-2.68"
(-68.08mm)
2nd Driest
Driest since:
2020
127th Wettest
Wettest since:
1921
Apr–Aug 2002
5-Month
3.69"
(93.73mm)
7.00"
(177.80mm)
-3.31"
(-84.07mm)
2nd Driest
Driest since:
2020
127th Wettest
Wettest since:
1999
Mar–Aug 2002
6-Month
4.24"
(107.70mm)
8.15"
(207.01mm)
-3.91"
(-99.31mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1941
Feb–Aug 2002
7-Month
4.54"
(115.32mm)
9.16"
(232.66mm)
-4.62"
(-117.34mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1941
Jan–Aug 2002
8-Month
4.98"
(126.49mm)
10.14"
(257.56mm)
-5.16"
(-131.07mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1941
Dec 2001–Aug 2002
9-Month
5.70"
(144.78mm)
11.15"
(283.21mm)
-5.45"
(-138.43mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Nov 2001–Aug 2002
10-Month
6.64"
(168.66mm)
12.04"
(305.82mm)
-5.40"
(-137.16mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Oct 2001–Aug 2002
11-Month
7.08"
(179.83mm)
13.17"
(334.52mm)
-6.09"
(-154.69mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Sep 2001–Aug 2002
12-Month
7.77"
(197.36mm)
14.54"
(369.32mm)
-6.77"
(-171.96mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Mar 2001–Aug 2002
18-Month
15.48"
(393.19mm)
22.69"
(576.33mm)
-7.21"
(-183.14mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1942
Sep 2000–Aug 2002
24-Month
22.65"
(575.31mm)
29.09"
(738.89mm)
-6.44"
(-163.58mm)
2nd Driest
Driest since:
2003
125th Wettest
Wettest since:
1942
Sep 1999–Aug 2002
36-Month
33.65"
(854.71mm)
43.58"
(1,106.93mm)
-9.93"
(-252.22mm)
2nd Driest
Driest since:
1956
124th Wettest
Wettest since:
1907
Sep 1998–Aug 2002
48-Month
50.86"
(1,291.84mm)
58.05"
(1,474.47mm)
-7.19"
(-182.63mm)
12th Driest
Driest since:
1956
113th Wettest
Wettest since:
1986
Sep 1997–Aug 2002
60-Month
67.89"
(1,724.41mm)
72.53"
(1,842.26mm)
-4.64"
(-117.85mm)
31st Driest
Driest since:
2004
93rd Wettest
Wettest since:
1987

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