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, July 1989

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1989
1-Month
1.77"
(44.96mm)
1.87"
(47.50mm)
-0.10"
(-2.54mm)
56th Driest
Driest since:
2003
73rd Wettest
Wettest since:
1914
Ties: 1924
Jun–Jul 1989
2-Month
2.60"
(66.04mm)
2.81"
(71.37mm)
-0.21"
(-5.33mm)
53rd Driest
Driest since:
1980
76th Wettest
Wettest since:
1921
Ties: 1960
May–Jul 1989
3-Month
3.34"
(84.84mm)
3.93"
(99.82mm)
-0.59"
(-14.98mm)
35th Driest
Driest since:
2002
94th Wettest
Wettest since:
2015
Apr–Jul 1989
4-Month
3.65"
(92.71mm)
4.99"
(126.75mm)
-1.34"
(-34.04mm)
13th Driest
Driest since:
2002
116th Wettest
Wettest since:
1914
Mar–Jul 1989
5-Month
4.43"
(112.52mm)
6.14"
(155.96mm)
-1.71"
(-43.44mm)
13th Driest
Driest since:
2002
116th Wettest
Wettest since:
1941
Feb–Jul 1989
6-Month
5.31"
(134.87mm)
7.14"
(181.36mm)
-1.83"
(-46.49mm)
13th Driest
Driest since:
2002
116th Wettest
Wettest since:
1941
Jan–Jul 1989
7-Month
6.31"
(160.27mm)
8.12"
(206.25mm)
-1.81"
(-45.98mm)
16th Driest
Driest since:
2002
113th Wettest
Wettest since:
1905
Dec 1988–Jul 1989
8-Month
7.05"
(179.07mm)
9.13"
(231.90mm)
-2.08"
(-52.83mm)
15th Driest
Driest since:
2002
113th Wettest
Wettest since:
1941
Nov 1988–Jul 1989
9-Month
7.95"
(201.93mm)
10.02"
(254.51mm)
-2.07"
(-52.58mm)
20th Driest
Driest since:
2002
108th Wettest
Wettest since:
1941
Oct 1988–Jul 1989
10-Month
8.47"
(215.14mm)
11.15"
(283.21mm)
-2.68"
(-68.07mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1941
Sep 1988–Jul 1989
11-Month
9.85"
(250.19mm)
12.52"
(318.01mm)
-2.67"
(-67.82mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1941
Ties: 1971
Aug 1988–Jul 1989
12-Month
12.49"
(317.25mm)
14.53"
(369.06mm)
-2.04"
(-51.81mm)
33rd Driest
Driest since:
2002
95th Wettest
Wettest since:
1941
Feb 1988–Jul 1989
18-Month
19.53"
(496.06mm)
21.67"
(550.42mm)
-2.14"
(-54.36mm)
36th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1942
Aug 1987–Jul 1989
24-Month
27.68"
(703.07mm)
29.06"
(738.12mm)
-1.38"
(-35.05mm)
47th Driest
Driest since:
2003
80th Wettest
Wettest since:
1942
Aug 1986–Jul 1989
36-Month
44.56"
(1,131.82mm)
43.55"
(1,106.17mm)
1.01"
(25.65mm)
83rd Driest
Driest since:
1956
43rd Wettest
Wettest since:
1907
Aug 1985–Jul 1989
48-Month
61.10"
(1,551.94mm)
58.02"
(1,473.71mm)
3.08"
(78.23mm)
95th Driest
Driest since:
1956
30th Wettest
Wettest since:
1986
Aug 1984–Jul 1989
60-Month
79.89"
(2,029.21mm)
72.50"
(1,841.50mm)
7.39"
(187.71mm)
116th Driest
Driest since:
1904
8th Wettest
Wettest since:
1987

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