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.

South Climate Region

Precipitation Rankings, September 1988

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
September 1988
1-Month
3.96"
(100.58mm)
3.18"
(80.77mm)
0.78"
(19.81mm)
96th Driest
Driest since:
1956
33rd Wettest
Wettest since:
1913
Aug–Sep 1988
2-Month
6.30"
(160.02mm)
6.10"
(154.94mm)
0.20"
(5.08mm)
72nd Driest
Driest since:
2000
57th Wettest
Wettest since:
1974
Jul–Sep 1988
3-Month
10.29"
(261.37mm)
9.26"
(235.20mm)
1.03"
(26.17mm)
87th Driest
Driest since:
2000
42nd Wettest
Wettest since:
1996
Jun–Sep 1988
4-Month
12.42"
(315.47mm)
12.80"
(325.12mm)
-0.38"
(-9.65mm)
51st Driest
Driest since:
1954
78th Wettest
Wettest since:
1996
May–Sep 1988
5-Month
14.30"
(363.22mm)
16.85"
(427.99mm)
-2.55"
(-64.77mm)
23rd Driest
Driest since:
1956
106th Wettest
Wettest since:
2007
Ties: 1930
Apr–Sep 1988
6-Month
16.99"
(431.55mm)
20.06"
(509.52mm)
-3.07"
(-77.97mm)
22nd Driest
Driest since:
1956
107th Wettest
Wettest since:
1957
Mar–Sep 1988
7-Month
20.14"
(511.56mm)
22.75"
(577.85mm)
-2.61"
(-66.29mm)
27th Driest
Driest since:
1956
102nd Wettest
Wettest since:
1973
Feb–Sep 1988
8-Month
21.92"
(556.77mm)
24.99"
(634.75mm)
-3.07"
(-77.98mm)
27th Driest
Driest since:
1954
102nd Wettest
Wettest since:
1973
Jan–Sep 1988
9-Month
23.25"
(590.55mm)
27.21"
(691.13mm)
-3.96"
(-100.58mm)
24th Driest
Driest since:
1956
105th Wettest
Wettest since:
1973
Dec 1987–Sep 1988
10-Month
26.99"
(685.55mm)
29.71"
(754.63mm)
-2.72"
(-69.08mm)
32nd Driest
Driest since:
1956
96th Wettest
Wettest since:
1973
Nov 1987–Sep 1988
11-Month
30.78"
(781.81mm)
32.14"
(816.36mm)
-1.36"
(-34.55mm)
47th Driest
Driest since:
1956
81st Wettest
Wettest since:
1973
Oct 1987–Sep 1988
12-Month
31.91"
(810.51mm)
34.84"
(884.94mm)
-2.93"
(-74.43mm)
34th Driest
Driest since:
1956
94th Wettest
Wettest since:
2016
Apr 1987–Sep 1988
18-Month
52.52"
(1,334.01mm)
55.00"
(1,397.00mm)
-2.48"
(-62.99mm)
37th Driest
Driest since:
1918
91st Wettest
Wettest since:
2016
Oct 1986–Sep 1988
24-Month
74.03"
(1,880.36mm)
69.82"
(1,773.43mm)
4.21"
(106.93mm)
89th Driest
Driest since:
1918
38th Wettest
Wettest since:
2016
Oct 1985–Sep 1988
36-Month
109.83"
(2,789.68mm)
104.72"
(2,659.89mm)
5.11"
(129.79mm)
87th Driest
Driest since:
1918
39th Wettest
Wettest since:
1975
Oct 1984–Sep 1988
48-Month
150.92"
(3,833.37mm)
139.62"
(3,546.35mm)
11.30"
(287.02mm)
104th Driest
Driest since:
1956
21st Wettest
Wettest since:
2019
Oct 1983–Sep 1988
60-Month
183.29"
(4,655.57mm)
174.44"
(4,430.78mm)
8.85"
(224.79mm)
91st Driest
Driest since:
1956
33rd Wettest
Wettest since:
2019

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