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, June 1999

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
June 1999
1-Month
1.17"
(29.72mm)
0.94"
(23.88mm)
0.23"
(5.84mm)
99th Driest
Driest since:
1924, 2012
30th Wettest
Wettest since:
1903
May–Jun 1999
2-Month
2.57"
(65.28mm)
2.05"
(52.07mm)
0.52"
(13.21mm)
106th Driest
Driest since:
2002
23rd Wettest
Wettest since:
2015
Ties: 1935
Apr–Jun 1999
3-Month
4.95"
(125.73mm)
3.11"
(78.99mm)
1.84"
(46.74mm)
126th Driest
Driest since:
2002
3rd Wettest
Wettest since:
1941
Mar–Jun 1999
4-Month
5.51"
(139.95mm)
4.26"
(108.20mm)
1.25"
(31.75mm)
115th Driest
Driest since:
2002
14th Wettest
Wettest since:
1941
Feb–Jun 1999
5-Month
5.97"
(151.64mm)
5.26"
(133.60mm)
0.71"
(18.04mm)
96th Driest
Driest since:
2002
33rd Wettest
Wettest since:
1905
Ties: 1937
Jan–Jun 1999
6-Month
6.63"
(168.40mm)
6.25"
(158.75mm)
0.38"
(9.65mm)
85th Driest
Driest since:
2002
44th Wettest
Wettest since:
1905
Dec 1998–Jun 1999
7-Month
7.12"
(180.85mm)
7.26"
(184.40mm)
-0.14"
(-3.55mm)
71st Driest
Driest since:
2002
57th Wettest
Wettest since:
1941
Nov 1998–Jun 1999
8-Month
8.11"
(205.99mm)
8.15"
(207.01mm)
-0.04"
(-1.02mm)
76th Driest
Driest since:
2002
52nd Wettest
Wettest since:
1941
Ties: 2009
Oct 1998–Jun 1999
9-Month
10.42"
(264.67mm)
9.28"
(235.71mm)
1.14"
(28.96mm)
97th Driest
Driest since:
2002
31st Wettest
Wettest since:
1941
Sep 1998–Jun 1999
10-Month
11.60"
(294.64mm)
10.65"
(270.51mm)
0.95"
(24.13mm)
92nd Driest
Driest since:
2002
36th Wettest
Wettest since:
1941
Ties: 1952
Aug 1998–Jun 1999
11-Month
13.26"
(336.80mm)
12.66"
(321.56mm)
0.60"
(15.24mm)
85th Driest
Driest since:
2002
43rd Wettest
Wettest since:
1941
Ties: 1909
Jul 1998–Jun 1999
12-Month
16.13"
(409.70mm)
14.53"
(369.06mm)
1.60"
(40.64mm)
100th Driest
Driest since:
2002
28th Wettest
Wettest since:
1941
Jan 1998–Jun 1999
18-Month
22.61"
(574.29mm)
20.78"
(527.81mm)
1.83"
(46.48mm)
102nd Driest
Driest since:
2021
26th Wettest
Wettest since:
1942
Jul 1997–Jun 1999
24-Month
32.92"
(836.17mm)
29.06"
(738.12mm)
3.86"
(98.05mm)
110th Driest
Driest since:
2021
17th Wettest
Wettest since:
1942
Jul 1996–Jun 1999
36-Month
49.03"
(1,245.36mm)
43.54"
(1,105.92mm)
5.49"
(139.44mm)
113th Driest
Driest since:
2022
13th Wettest
Wettest since:
1907
Ties: 1994
Jul 1995–Jun 1999
48-Month
60.08"
(1,526.03mm)
58.01"
(1,473.45mm)
2.07"
(52.58mm)
89th Driest
Driest since:
1956
36th Wettest
Wettest since:
1986
Jul 1994–Jun 1999
60-Month
77.72"
(1,974.09mm)
72.49"
(1,841.25mm)
5.23"
(132.84mm)
104th Driest
Driest since:
1957
20th Wettest
Wettest since:
1987
Ties: 1996

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