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, December 1917

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1917
1-Month 		0.10"
(2.54mm)		 1.33"
(33.78mm)		 -1.23"
(-31.24mm)		 7th Driest
Driest since:
 1950
122nd Wettest
Wettest since:
 1937
Ties: 1901, 1951, 1988, 2003
Nov–Dec 1917
2-Month 		0.24"
(6.10mm)		 2.74"
(69.60mm)		 -2.50"
(-63.50mm)		 4th Driest
Driest since:
 2010
125th Wettest
Wettest since:
 2013
Oct–Dec 1917
3-Month 		0.34"
(8.64mm)		 5.28"
(134.11mm)		 -4.94"
(-125.47mm)		 2nd Driest
Driest since:
 2010
127th Wettest
Wettest since:
 1958
Sep–Dec 1917
4-Month 		1.84"
(46.74mm)		 9.62"
(244.35mm)		 -7.78"
(-197.61mm)		 1st Driest
Driest since:
 1917
128th Wettest
Wettest since:
 1967
Aug–Dec 1917
5-Month 		2.43"
(61.72mm)		 11.82"
(300.23mm)		 -9.39"
(-238.51mm)		 1st Driest
Driest since:
 1917
128th Wettest
Wettest since:
 1967
Jul–Dec 1917
6-Month 		4.86"
(123.44mm)		 13.47"
(342.14mm)		 -8.61"
(-218.70mm)		 2nd Driest
Driest since:
 1950
127th Wettest
Wettest since:
 1967
Jun–Dec 1917
7-Month 		5.40"
(137.16mm)		 16.14"
(409.96mm)		 -10.74"
(-272.80mm)		 2nd Driest
Driest since:
 1898
127th Wettest
Wettest since:
 1967
May–Dec 1917
8-Month 		8.46"
(214.88mm)		 18.83"
(478.28mm)		 -10.37"
(-263.40mm)		 4th Driest
Driest since:
 1898
125th Wettest
Wettest since:
 1967
Apr–Dec 1917
9-Month 		8.78"
(223.01mm)		 20.35"
(516.89mm)		 -11.57"
(-293.88mm)		 2nd Driest
Driest since:
 1898
127th Wettest
Wettest since:
 1967
Mar–Dec 1917
10-Month 		9.58"
(243.33mm)		 21.37"
(542.80mm)		 -11.79"
(-299.47mm)		 2nd Driest
Driest since:
 1898
127th Wettest
Wettest since:
 1967
Feb–Dec 1917
11-Month 		10.02"
(254.51mm)		 22.56"
(573.02mm)		 -12.54"
(-318.51mm)		 3rd Driest
Driest since:
 1898
126th Wettest
Wettest since:
 1967
Jan–Dec 1917
12-Month 		10.34"
(262.64mm)		 23.82"
(605.03mm)		 -13.48"
(-342.39mm)		 2nd Driest
Driest since:
 1898
127th Wettest
Wettest since:
 1967
Jul 1916–Dec 1917
18-Month 		30.86"
(783.84mm)		 37.29"
(947.17mm)		 -6.43"
(-163.33mm)		 27th Driest
Driest since:
 1898
101st Wettest
Wettest since:
 1968
Jan 1916–Dec 1917
24-Month 		34.36"
(872.74mm)		 47.63"
(1,209.80mm)		 -13.27"
(-337.06mm)		 12th Driest
Driest since:
 1898
116th Wettest
Wettest since:
 1967
Jan 1915–Dec 1917
36-Month 		52.37"
(1,330.20mm)		 71.38"
(1,813.05mm)		 -19.01"
(-482.85mm)		 7th Driest
Driest since:
 1899
120th Wettest
Wettest since:
 1968
Jan 1914–Dec 1917
48-Month 		78.36"
(1,990.34mm)		 94.95"
(2,411.73mm)		 -16.59"
(-421.39mm)		 15th Driest
Driest since:
 1900
111th Wettest
Wettest since:
 1976
Jan 1913–Dec 1917
60-Month 		103.76"
(2,635.50mm)		 118.33"
(3,005.58mm)		 -14.57"
(-370.08mm)		 21st Driest
Driest since:
 1901
104th Wettest
Wettest since:
 1976

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