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 1979

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
July 1979
1-Month
1.35"
(34.29mm)
1.87"
(47.50mm)
-0.52"
(-13.21mm)
24th Driest
Driest since:
2003
105th Wettest
Wettest since:
1914
Jun–Jul 1979
2-Month
2.50"
(63.50mm)
2.81"
(71.37mm)
-0.31"
(-7.87mm)
46th Driest
Driest since:
1980
83rd Wettest
Wettest since:
1921
Ties: 1954
May–Jul 1979
3-Month
4.38"
(111.25mm)
3.93"
(99.82mm)
0.45"
(11.43mm)
104th Driest
Driest since:
2002
25th Wettest
Wettest since:
2015
Ties: 1907
Apr–Jul 1979
4-Month
4.98"
(126.49mm)
4.99"
(126.75mm)
-0.01"
(-0.26mm)
76th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1914
Ties: 1928, 1968
Mar–Jul 1979
5-Month
6.67"
(169.42mm)
6.14"
(155.96mm)
0.53"
(13.46mm)
99th Driest
Driest since:
2002
30th Wettest
Wettest since:
1941
Ties: 1991, 2019
Feb–Jul 1979
6-Month
7.47"
(189.74mm)
7.14"
(181.36mm)
0.33"
(8.38mm)
87th Driest
Driest since:
2002
42nd Wettest
Wettest since:
1941
Jan–Jul 1979
7-Month
9.53"
(242.06mm)
8.12"
(206.25mm)
1.41"
(35.81mm)
108th Driest
Driest since:
2002
21st Wettest
Wettest since:
1905
Dec 1978–Jul 1979
8-Month
11.58"
(294.13mm)
9.13"
(231.90mm)
2.45"
(62.23mm)
120th Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Nov 1978–Jul 1979
9-Month
14.05"
(356.87mm)
10.02"
(254.51mm)
4.03"
(102.36mm)
125th Driest
Driest since:
2002
3rd Wettest
Wettest since:
1941
Oct 1978–Jul 1979
10-Month
15.23"
(386.84mm)
11.15"
(283.21mm)
4.08"
(103.63mm)
123rd Driest
Driest since:
2002
5th Wettest
Wettest since:
1941
Sep 1978–Jul 1979
11-Month
16.34"
(415.04mm)
12.52"
(318.01mm)
3.82"
(97.03mm)
123rd Driest
Driest since:
2002
5th Wettest
Wettest since:
1941
Aug 1978–Jul 1979
12-Month
17.71"
(449.83mm)
14.53"
(369.06mm)
3.18"
(80.77mm)
117th Driest
Driest since:
2002
11th Wettest
Wettest since:
1941
Ties: 1995
Feb 1978–Jul 1979
18-Month
25.57"
(649.48mm)
21.67"
(550.42mm)
3.90"
(99.06mm)
118th Driest
Driest since:
2002
10th Wettest
Wettest since:
1942
Aug 1977–Jul 1979
24-Month
33.15"
(842.01mm)
29.06"
(738.12mm)
4.09"
(103.89mm)
113th Driest
Driest since:
2003
14th Wettest
Wettest since:
1942
Aug 1976–Jul 1979
36-Month
44.60"
(1,132.84mm)
43.55"
(1,106.17mm)
1.05"
(26.67mm)
84th Driest
Driest since:
1956
42nd Wettest
Wettest since:
1907
Aug 1975–Jul 1979
48-Month
56.67"
(1,439.42mm)
58.02"
(1,473.71mm)
-1.35"
(-34.29mm)
54th Driest
Driest since:
1956
71st Wettest
Wettest since:
1986
Aug 1974–Jul 1979
60-Month
71.83"
(1,824.48mm)
72.50"
(1,841.50mm)
-0.67"
(-17.02mm)
64th Driest
Driest since:
1904
60th Wettest
Wettest since:
1987

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