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, October 1898

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1898
1-Month
0.39"
(9.91mm)
1.15"
(29.21mm)
-0.76"
(-19.30mm)
11th Driest
Driest since:
1952
118th Wettest
Wettest since:
1972
Ties: 1973
Sep–Oct 1898
2-Month
0.89"
(22.61mm)
2.51"
(63.75mm)
-1.62"
(-41.14mm)
2nd Driest
Driest since:
1956
127th Wettest
Wettest since:
1941
Aug–Oct 1898
3-Month
2.72"
(69.09mm)
4.52"
(114.81mm)
-1.80"
(-45.72mm)
7th Driest
Driest since:
2020
122nd Wettest
Wettest since:
1941
Jul–Oct 1898
4-Month
4.85"
(123.19mm)
6.40"
(162.56mm)
-1.55"
(-39.37mm)
18th Driest
Driest since:
2020
111th Wettest
Wettest since:
1941
Jun–Oct 1898
5-Month
6.30"
(160.02mm)
7.33"
(186.18mm)
-1.03"
(-26.16mm)
31st Driest
Driest since:
2020
98th Wettest
Wettest since:
1941
Ties: 1935
May–Oct 1898
6-Month
8.14"
(206.76mm)
8.45"
(214.63mm)
-0.31"
(-7.87mm)
60th Driest
Driest since:
2020
69th Wettest
Wettest since:
1941
Apr–Oct 1898
7-Month
9.16"
(232.66mm)
9.51"
(241.55mm)
-0.35"
(-8.89mm)
57th Driest
Driest since:
2020
72nd Wettest
Wettest since:
1941
Mar–Oct 1898
8-Month
10.01"
(254.25mm)
10.66"
(270.76mm)
-0.65"
(-16.51mm)
49th Driest
Driest since:
1956
80th Wettest
Wettest since:
1941
Feb–Oct 1898
9-Month
10.34"
(262.64mm)
11.66"
(296.16mm)
-1.32"
(-33.52mm)
31st Driest
Driest since:
1956
98th Wettest
Wettest since:
1941
Jan–Oct 1898
10-Month
11.50"
(292.10mm)
12.65"
(321.31mm)
-1.15"
(-29.21mm)
46th Driest
Driest since:
2020
83rd Wettest
Wettest since:
1941
Dec 1897–Oct 1898
11-Month
12.46"
(316.48mm)
13.66"
(346.96mm)
-1.20"
(-30.48mm)
45th Driest
Driest since:
1956
83rd Wettest
Wettest since:
1941
Nov 1897–Oct 1898
12-Month
12.86"
(326.64mm)
14.55"
(369.57mm)
-1.69"
(-42.93mm)
31st Driest
Driest since:
1956
97th Wettest
Wettest since:
1941
May 1897–Oct 1898
18-Month
22.75"
(577.85mm)
22.98"
(583.69mm)
-0.23"
(-5.84mm)
66th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1941
Nov 1896–Oct 1898
24-Month
29.38"
(746.25mm)
29.09"
(738.89mm)
0.29"
(7.36mm)
78th Driest
Driest since:
1956
49th Wettest
Wettest since:
1942
Nov 1895–Oct 1898
36-Month
43.72"
(1,110.49mm)
43.61"
(1,107.69mm)
0.11"
(2.80mm)
72nd Driest
Driest since:
1956
54th Wettest
Wettest to Date
1907

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