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 1905

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 1905
1-Month
1.25"
(31.75mm)
1.11"
(28.19mm)
0.14"
(3.56mm)
88th Driest
Driest since:
1974
41st Wettest
Wettest since:
2015
Apr–May 1905
2-Month
3.86"
(98.04mm)
2.17"
(55.12mm)
1.69"
(42.92mm)
124th Driest
Driest since:
2002
5th Wettest
Wettest to Date
1941
Mar–May 1905
3-Month
6.53"
(165.86mm)
3.33"
(84.58mm)
3.20"
(81.28mm)
127th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
1941
Feb–May 1905
4-Month
9.28"
(235.71mm)
4.33"
(109.98mm)
4.95"
(125.73mm)
128th Driest
Driest since:
2002
1st Wettest
Wettest to Date
1905
Jan–May 1905
5-Month
10.91"
(277.11mm)
5.31"
(134.87mm)
5.60"
(142.24mm)
128th Driest
Driest since:
1972
1st Wettest
Wettest to Date
1905
Dec 1904–May 1905
6-Month
11.74"
(298.20mm)
6.32"
(160.53mm)
5.42"
(137.67mm)
127th Driest
Driest since:
2002
1st Wettest
Wettest to Date
1905
Nov 1904–May 1905
7-Month
11.80"
(299.72mm)
7.21"
(183.13mm)
4.59"
(116.59mm)
126th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
1941
Oct 1904–May 1905
8-Month
12.90"
(327.66mm)
8.34"
(211.84mm)
4.56"
(115.82mm)
126th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
1941
Sep 1904–May 1905
9-Month
14.80"
(375.92mm)
9.71"
(246.63mm)
5.09"
(129.29mm)
126th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
1941
Aug 1904–May 1905
10-Month
17.25"
(438.15mm)
11.72"
(297.69mm)
5.53"
(140.46mm)
126th Driest
Driest since:
2002
2nd Wettest
Wettest to Date
1941
Jul 1904–May 1905
11-Month
18.92"
(480.57mm)
13.59"
(345.19mm)
5.33"
(135.38mm)
126th Driest
Driest since:
2021
2nd Wettest
Wettest to Date
1941
Jun 1904–May 1905
12-Month
20.13"
(511.30mm)
14.53"
(369.06mm)
5.60"
(142.24mm)
127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1905
Dec 1903–May 1905
18-Month
24.23"
(615.44mm)
20.86"
(529.84mm)
3.37"
(85.60mm)
112th Driest
Driest since:
2021
15th Wettest
Wettest to Date
1942
Jun 1903–May 1905
24-Month
30.76"
(781.30mm)
29.05"
(737.87mm)
1.71"
(43.43mm)
95th Driest
Driest since:
2021
32nd Wettest
Wettest since:
1942
Jun 1902–May 1905
36-Month
43.63"
(1,108.20mm)
43.54"
(1,105.92mm)
0.09"
(2.28mm)
73rd Driest
Driest since:
2022
53rd Wettest
Wettest since:
1907
Jun 1901–May 1905
48-Month
54.06"
(1,373.12mm)
58.01"
(1,473.45mm)
-3.95"
(-100.33mm)
33rd Driest
Driest since:
1904
92nd Wettest
Wettest since:
1986
Ties: 1962
Jun 1900–May 1905
60-Month
66.44"
(1,687.58mm)
72.48"
(1,840.99mm)
-6.04"
(-153.41mm)
22nd Driest
Driest since:
1957
102nd Wettest
Wettest since:
1987

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