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 1937

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1937
1-Month 		1.40"
(35.56mm)		 4.33"
(109.98mm)		 -2.93"
(-74.42mm)		 14th Driest
Driest since:
 1897
115th Wettest
Wettest since:
 1967
Aug–Sep 1937
2-Month 		2.01"
(51.05mm)		 6.54"
(166.12mm)		 -4.53"
(-115.07mm)		 7th Driest
Driest since:
 1897
122nd Wettest
Wettest since:
 1967
Ties: 1912
Jul–Sep 1937
3-Month 		5.46"
(138.68mm)		 8.19"
(208.03mm)		 -2.73"
(-69.35mm)		 36th Driest
Driest since:
 1897
93rd Wettest
Wettest since:
 1967
Jun–Sep 1937
4-Month 		5.81"
(147.57mm)		 10.86"
(275.84mm)		 -5.05"
(-128.27mm)		 18th Driest
Driest since:
 1982
111th Wettest
Wettest since:
 1967
May–Sep 1937
5-Month 		10.19"
(258.83mm)		 13.55"
(344.17mm)		 -3.36"
(-85.34mm)		 34th Driest
Driest since:
 1897
95th Wettest
Wettest since:
 1933
Apr–Sep 1937
6-Month 		10.67"
(271.02mm)		 15.07"
(382.78mm)		 -4.40"
(-111.76mm)		 25th Driest
Driest since:
 1897
104th Wettest
Wettest since:
 1933
Mar–Sep 1937
7-Month 		11.44"
(290.58mm)		 16.08"
(408.43mm)		 -4.64"
(-117.85mm)		 23rd Driest
Driest since:
 1897
106th Wettest
Wettest since:
 1933
Feb–Sep 1937
8-Month 		12.31"
(312.67mm)		 17.27"
(438.66mm)		 -4.96"
(-125.99mm)		 22nd Driest
Driest since:
 1897
107th Wettest
Wettest since:
 1933
Jan–Sep 1937
9-Month 		13.92"
(353.57mm)		 18.54"
(470.92mm)		 -4.62"
(-117.35mm)		 27th Driest
Driest since:
 1897
102nd Wettest
Wettest since:
 1973
Dec 1936–Sep 1937
10-Month 		16.25"
(412.75mm)		 19.87"
(504.70mm)		 -3.62"
(-91.95mm)		 36th Driest
Driest since:
 1897
92nd Wettest
Wettest since:
 1941
Nov 1936–Sep 1937
11-Month 		16.82"
(427.23mm)		 21.29"
(540.77mm)		 -4.47"
(-113.54mm)		 28th Driest
Driest since:
 1897
100th Wettest
Wettest since:
 1941
Oct 1936–Sep 1937
12-Month 		17.63"
(447.80mm)		 23.82"
(605.03mm)		 -6.19"
(-157.23mm)		 23rd Driest
Driest since:
 2011
105th Wettest
Wettest since:
 1941
Apr 1936–Sep 1937
18-Month 		40.74"
(1,034.80mm)		 38.87"
(987.30mm)		 1.87"
(47.50mm)		 82nd Driest
Driest since:
 1898
46th Wettest
Wettest since:
 1968
Oct 1935–Sep 1937
24-Month 		49.29"
(1,251.97mm)		 47.66"
(1,210.56mm)		 1.63"
(41.41mm)		 74th Driest
Driest since:
 1898
53rd Wettest
Wettest since:
 1967
Oct 1934–Sep 1937
36-Month 		76.68"
(1,947.67mm)		 71.32"
(1,811.53mm)		 5.36"
(136.14mm)		 81st Driest
Driest since:
 1899
45th Wettest
Wettest since:
 1968
Oct 1933–Sep 1937
48-Month 		99.82"
(2,535.43mm)		 94.84"
(2,408.94mm)		 4.98"
(126.49mm)		 77th Driest
Driest since:
 1900
48th Wettest
Wettest since:
 1975
Oct 1932–Sep 1937
60-Month 		136.88"
(3,476.75mm)		 118.21"
(3,002.53mm)		 18.67"
(474.22mm)		 106th Driest
Driest since:
 1901
18th Wettest
Wettest since:
 1970

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