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 1975

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1975
1-Month 		7.18"
(182.37mm)		 4.33"
(109.98mm)		 2.85"
(72.39mm)		 106th Driest
Driest since:
 1897
23rd Wettest
Wettest since:
 1967
Aug–Sep 1975
2-Month 		12.59"
(319.79mm)		 6.54"
(166.12mm)		 6.05"
(153.67mm)		 121st Driest
Driest since:
 1897
8th Wettest
Wettest since:
 1967
Jul–Sep 1975
3-Month 		19.50"
(495.30mm)		 8.19"
(208.03mm)		 11.31"
(287.27mm)		 125th Driest
Driest since:
 1897
4th Wettest
Wettest since:
 1967
Jun–Sep 1975
4-Month 		22.06"
(560.32mm)		 10.86"
(275.84mm)		 11.20"
(284.48mm)		 126th Driest
Driest since:
 1982
3rd Wettest
Wettest since:
 1967
May–Sep 1975
5-Month 		25.03"
(635.76mm)		 13.55"
(344.17mm)		 11.48"
(291.59mm)		 125th Driest
Driest since:
 1897
4th Wettest
Wettest since:
 1933
Apr–Sep 1975
6-Month 		25.11"
(637.79mm)		 15.07"
(382.78mm)		 10.04"
(255.01mm)		 125th Driest
Driest since:
 1897
4th Wettest
Wettest since:
 1933
Mar–Sep 1975
7-Month 		25.26"
(641.60mm)		 16.08"
(408.43mm)		 9.18"
(233.17mm)		 123rd Driest
Driest since:
 1897
6th Wettest
Wettest since:
 1933
Feb–Sep 1975
8-Month 		25.80"
(655.32mm)		 17.27"
(438.66mm)		 8.53"
(216.66mm)		 122nd Driest
Driest since:
 1897
7th Wettest
Wettest since:
 1933
Jan–Sep 1975
9-Month 		27.05"
(687.07mm)		 18.54"
(470.92mm)		 8.51"
(216.15mm)		 121st Driest
Driest since:
 1897
8th Wettest
Wettest since:
 1973
Dec 1974–Sep 1975
10-Month 		27.75"
(704.85mm)		 19.87"
(504.70mm)		 7.88"
(200.15mm)		 117th Driest
Driest since:
 1897
11th Wettest
Wettest since:
 1941
Nov 1974–Sep 1975
11-Month 		28.32"
(719.33mm)		 21.29"
(540.77mm)		 7.03"
(178.56mm)		 111th Driest
Driest since:
 1897
17th Wettest
Wettest since:
 1941
Oct 1974–Sep 1975
12-Month 		33.20"
(843.28mm)		 23.82"
(605.03mm)		 9.38"
(238.25mm)		 120th Driest
Driest since:
 2011
8th Wettest
Wettest since:
 1941
Apr 1974–Sep 1975
18-Month 		48.15"
(1,223.01mm)		 38.87"
(987.30mm)		 9.28"
(235.71mm)		 110th Driest
Driest since:
 1898
18th Wettest
Wettest since:
 1968
Oct 1973–Sep 1975
24-Month 		57.14"
(1,451.36mm)		 47.66"
(1,210.56mm)		 9.48"
(240.80mm)		 107th Driest
Driest since:
 1898
20th Wettest
Wettest since:
 1967
Oct 1972–Sep 1975
36-Month 		93.79"
(2,382.27mm)		 71.32"
(1,811.53mm)		 22.47"
(570.74mm)		 123rd Driest
Driest since:
 1899
3rd Wettest
Wettest since:
 1968
Oct 1971–Sep 1975
48-Month 		123.25"
(3,130.55mm)		 94.84"
(2,408.94mm)		 28.41"
(721.61mm)		 124th Driest
Driest since:
 1900
1st Wettest
Wettest to Date
 1975
Oct 1970–Sep 1975
60-Month 		148.38"
(3,768.85mm)		 118.21"
(3,002.53mm)		 30.17"
(766.32mm)		 120th Driest
Driest since:
 1901
4th Wettest
Wettest since:
 1970

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