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, May 1985

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
May 1985
1-Month
1.13"
(28.70mm)
1.11"
(28.19mm)
0.02"
(0.51mm)
74th Driest
Driest since:
1974
55th Wettest
Wettest since:
2015
Ties: 1951
Apr–May 1985
2-Month
2.72"
(69.09mm)
2.17"
(55.12mm)
0.55"
(13.97mm)
106th Driest
Driest since:
2002
23rd Wettest
Wettest since:
1941
Mar–May 1985
3-Month
4.28"
(108.71mm)
3.33"
(84.58mm)
0.95"
(24.13mm)
108th Driest
Driest since:
2002
21st Wettest
Wettest since:
1941
Feb–May 1985
4-Month
5.01"
(127.25mm)
4.33"
(109.98mm)
0.68"
(17.27mm)
102nd Driest
Driest since:
2002
27th Wettest
Wettest since:
1905
Jan–May 1985
5-Month
6.12"
(155.45mm)
5.31"
(134.87mm)
0.81"
(20.58mm)
100th Driest
Driest since:
1972
29th Wettest
Wettest since:
1905
Dec 1984–May 1985
6-Month
8.24"
(209.30mm)
6.32"
(160.53mm)
1.92"
(48.77mm)
113th Driest
Driest since:
2002
15th Wettest
Wettest since:
1905
Nov 1984–May 1985
7-Month
9.11"
(231.39mm)
7.21"
(183.13mm)
1.90"
(48.26mm)
112th Driest
Driest since:
2002
16th Wettest
Wettest since:
1941
Oct 1984–May 1985
8-Month
11.38"
(289.05mm)
8.34"
(211.84mm)
3.04"
(77.21mm)
118th Driest
Driest since:
2002
10th Wettest
Wettest since:
1941
Sep 1984–May 1985
9-Month
12.66"
(321.56mm)
9.71"
(246.63mm)
2.95"
(74.93mm)
116th Driest
Driest since:
2002
12th Wettest
Wettest since:
1941
Aug 1984–May 1985
10-Month
15.72"
(399.29mm)
11.72"
(297.69mm)
4.00"
(101.60mm)
123rd Driest
Driest since:
2002
5th Wettest
Wettest since:
1941
Jul 1984–May 1985
11-Month
18.11"
(459.99mm)
13.59"
(345.19mm)
4.52"
(114.80mm)
123rd Driest
Driest since:
2021
5th Wettest
Wettest since:
1941
Jun 1984–May 1985
12-Month
19.67"
(499.62mm)
14.53"
(369.06mm)
5.14"
(130.56mm)
125th Driest
Driest since:
2021
3rd Wettest
Wettest since:
1905
Ties: 1973
Dec 1983–May 1985
18-Month
25.37"
(644.40mm)
20.86"
(529.84mm)
4.51"
(114.56mm)
119th Driest
Driest since:
2021
8th Wettest
Wettest since:
1942
Jun 1983–May 1985
24-Month
35.35"
(897.89mm)
29.05"
(737.87mm)
6.30"
(160.02mm)
121st Driest
Driest since:
2021
6th Wettest
Wettest since:
1942
Jun 1982–May 1985
36-Month
53.66"
(1,362.96mm)
43.54"
(1,105.92mm)
10.12"
(257.04mm)
123rd Driest
Driest since:
2022
3rd Wettest
Wettest since:
1907
Jun 1981–May 1985
48-Month
69.22"
(1,758.19mm)
58.01"
(1,473.45mm)
11.21"
(284.74mm)
122nd Driest
Driest since:
1904
3rd Wettest
Wettest to Date
1986
Jun 1980–May 1985
60-Month
80.86"
(2,053.84mm)
72.48"
(1,840.99mm)
8.38"
(212.85mm)
117th Driest
Driest since:
1957
7th Wettest
Wettest since:
1987

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