Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Texas, Climate Division 10. Lower Valley

Precipitation Rankings, September 2011

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2011
1-Month
0.97"
(24.64mm)
4.33"
(109.98mm)
-3.36"
(-85.34mm)
8th Driest
Driest since:
1897
121st Wettest
Wettest since:
1967
Aug–Sep 2011
2-Month
1.69"
(42.93mm)
6.54"
(166.12mm)
-4.85"
(-123.19mm)
4th Driest
Driest since:
1897
125th Wettest
Wettest since:
1967
Jul–Sep 2011
3-Month
2.90"
(73.66mm)
8.19"
(208.03mm)
-5.29"
(-134.37mm)
9th Driest
Driest since:
1897
120th Wettest
Wettest since:
1967
Jun–Sep 2011
4-Month
6.58"
(167.13mm)
10.86"
(275.84mm)
-4.28"
(-108.71mm)
23rd Driest
Driest since:
1982
106th Wettest
Wettest since:
1967
May–Sep 2011
5-Month
6.95"
(176.53mm)
13.55"
(344.17mm)
-6.60"
(-167.64mm)
8th Driest
Driest since:
1897
121st Wettest
Wettest since:
1933
Apr–Sep 2011
6-Month
6.95"
(176.53mm)
15.07"
(382.78mm)
-8.12"
(-206.25mm)
3rd Driest
Driest since:
1897
126th Wettest
Wettest since:
1933
Mar–Sep 2011
7-Month
7.10"
(180.34mm)
16.08"
(408.43mm)
-8.98"
(-228.09mm)
3rd Driest
Driest since:
1897
126th Wettest
Wettest since:
1933
Feb–Sep 2011
8-Month
7.16"
(181.86mm)
17.27"
(438.66mm)
-10.11"
(-256.80mm)
3rd Driest
Driest since:
1897
126th Wettest
Wettest since:
1933
Jan–Sep 2011
9-Month
8.95"
(227.33mm)
18.54"
(470.92mm)
-9.59"
(-243.59mm)
3rd Driest
Driest since:
1897
126th Wettest
Wettest since:
1973
Dec 2010–Sep 2011
10-Month
9.00"
(228.60mm)
19.87"
(504.70mm)
-10.87"
(-276.10mm)
3rd Driest
Driest since:
1897
125th Wettest
Wettest since:
1941
Nov 2010–Sep 2011
11-Month
9.06"
(230.12mm)
21.29"
(540.77mm)
-12.23"
(-310.65mm)
3rd Driest
Driest since:
1897
125th Wettest
Wettest since:
1941
Oct 2010–Sep 2011
12-Month
9.07"
(230.38mm)
23.82"
(605.03mm)
-14.75"
(-374.65mm)
1st Driest
Driest since:
2011
127th Wettest
Wettest since:
1941
Apr 2010–Sep 2011
18-Month
34.09"
(865.89mm)
38.87"
(987.30mm)
-4.78"
(-121.41mm)
40th Driest
Driest since:
1898
88th Wettest
Wettest since:
1968
Oct 2009–Sep 2011
24-Month
47.05"
(1,195.07mm)
47.66"
(1,210.56mm)
-0.61"
(-15.49mm)
61st Driest
Driest since:
1898
66th Wettest
Wettest since:
1967
Oct 2008–Sep 2011
36-Month
60.48"
(1,536.19mm)
71.32"
(1,811.53mm)
-10.84"
(-275.34mm)
24th Driest
Driest since:
1899
102nd Wettest
Wettest since:
1968
Oct 2007–Sep 2011
48-Month
88.51"
(2,248.15mm)
94.84"
(2,408.94mm)
-6.33"
(-160.79mm)
41st Driest
Driest since:
1900
84th Wettest
Wettest since:
1975
Oct 2006–Sep 2011
60-Month
120.33"
(3,056.38mm)
118.21"
(3,002.53mm)
2.12"
(53.85mm)
65th Driest
Driest since:
1901
59th Wettest
Wettest since:
1970

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