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, August 1904

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
August 1904
1-Month
2.45"
(62.23mm)
2.02"
(51.31mm)
0.43"
(10.92mm)
101st Driest
Driest since:
1962
28th Wettest
Wettest to Date
1963
Ties: 1908, 1982
Jul–Aug 1904
2-Month
4.12"
(104.65mm)
3.89"
(98.81mm)
0.23"
(5.84mm)
76th Driest
Driest since:
2020
53rd Wettest
Wettest since:
1921
Ties: 1941
Jun–Aug 1904
3-Month
5.33"
(135.38mm)
4.83"
(122.68mm)
0.50"
(12.70mm)
93rd Driest
Driest since:
2020
36th Wettest
Wettest since:
1921
May–Aug 1904
4-Month
6.64"
(168.66mm)
5.94"
(150.88mm)
0.70"
(17.78mm)
101st Driest
Driest since:
2020
28th Wettest
Wettest since:
1921
Ties: 1908
Apr–Aug 1904
5-Month
7.13"
(181.10mm)
7.00"
(177.80mm)
0.13"
(3.30mm)
81st Driest
Driest since:
2020
48th Wettest
Wettest since:
1999
Mar–Aug 1904
6-Month
8.20"
(208.28mm)
8.15"
(207.01mm)
0.05"
(1.27mm)
76th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Ties: 1961
Feb–Aug 1904
7-Month
8.86"
(225.04mm)
9.16"
(232.66mm)
-0.30"
(-7.62mm)
62nd Driest
Driest since:
2002
67th Wettest
Wettest since:
1941
Ties: 1948
Jan–Aug 1904
8-Month
9.23"
(234.44mm)
10.14"
(257.56mm)
-0.91"
(-23.12mm)
44th Driest
Driest since:
2002
85th Wettest
Wettest since:
1941
Dec 1903–Aug 1904
9-Month
9.43"
(239.52mm)
11.15"
(283.21mm)
-1.72"
(-43.69mm)
27th Driest
Driest since:
2002
101st Wettest
Wettest since:
1941
Nov 1903–Aug 1904
10-Month
9.60"
(243.84mm)
12.04"
(305.82mm)
-2.44"
(-61.98mm)
12th Driest
Driest since:
2002
116th Wettest
Wettest since:
1941
Oct 1903–Aug 1904
11-Month
10.12"
(257.05mm)
13.17"
(334.52mm)
-3.05"
(-77.47mm)
9th Driest
Driest since:
2002
119th Wettest
Wettest since:
1941
Sep 1903–Aug 1904
12-Month
11.55"
(293.37mm)
14.54"
(369.32mm)
-2.99"
(-75.95mm)
11th Driest
Driest since:
2002
117th Wettest
Wettest since:
1941
Mar 1903–Aug 1904
18-Month
18.88"
(479.55mm)
22.69"
(576.33mm)
-3.81"
(-96.78mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1942
Sep 1902–Aug 1904
24-Month
25.11"
(637.79mm)
29.09"
(738.89mm)
-3.98"
(-101.10mm)
21st Driest
Driest since:
2003
106th Wettest
Wettest since:
1942
Sep 1901–Aug 1904
36-Month
35.37"
(898.40mm)
43.58"
(1,106.93mm)
-8.21"
(-208.53mm)
4th Driest
Driest since:
1956
122nd Wettest
Wettest since:
1907
Sep 1900–Aug 1904
48-Month
48.87"
(1,241.30mm)
58.05"
(1,474.47mm)
-9.18"
(-233.17mm)
4th Driest
Driest since:
1956
121st Wettest
Wettest since:
1986
Ties: 1957
Sep 1899–Aug 1904
60-Month
60.51"
(1,536.95mm)
72.53"
(1,842.26mm)
-12.02"
(-305.31mm)
3rd Driest
Driest since:
2004
121st Wettest
Wettest since:
1987
Ties: 1956

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