Divisional Rankings

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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, April 1971

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
April 1971 1-Month	1.58" (40.13mm)	1.52" (38.61mm)	0.06" (1.52mm)	78th Driest	Driest since: 1970	1983, 2011
	1.58" (40.13mm)	1.52" (38.61mm)	0.06" (1.52mm)	52nd Wettest	Wettest since: 1968	1908
	Ties: 1910
Mar–Apr 1971 2-Month	1.59" (40.39mm)	2.54" (64.52mm)	-0.95" (-24.13mm)	42nd Driest	Driest since: 1969	1901
Mar–Apr 1971 2-Month	1.59" (40.39mm)	2.54" (64.52mm)	-0.95" (-24.13mm)	88th Wettest	Wettest since: 1970	1997
Feb–Apr 1971 3-Month	2.28" (57.91mm)	3.72" (94.49mm)	-1.44" (-36.58mm)	31st Driest	Driest since: 1967	2011
Feb–Apr 1971 3-Month	2.28" (57.91mm)	3.72" (94.49mm)	-1.44" (-36.58mm)	99th Wettest	Wettest since: 1970	1997
Jan–Apr 1971 4-Month	2.50" (63.50mm)	4.99" (126.75mm)	-2.49" (-63.25mm)	18th Driest	Driest since: 1963	1901
Jan–Apr 1971 4-Month	2.50" (63.50mm)	4.99" (126.75mm)	-2.49" (-63.25mm)	112th Wettest	Wettest since: 1970	1941
Dec 1970–Apr 1971 5-Month	2.61" (66.29mm)	6.33" (160.78mm)	-3.72" (-94.49mm)	9th Driest	Driest since: 1955	2009
Dec 1970–Apr 1971 5-Month	2.61" (66.29mm)	6.33" (160.78mm)	-3.72" (-94.49mm)	120th Wettest	Wettest since: 1970	1941
Nov 1970–Apr 1971 6-Month	2.72" (69.09mm)	7.74" (196.60mm)	-5.02" (-127.51mm)	5th Driest	Driest since: 1952	2011
Nov 1970–Apr 1971 6-Month	2.72" (69.09mm)	7.74" (196.60mm)	-5.02" (-127.51mm)	124th Wettest	Wettest since: 1970	1941
Oct 1970–Apr 1971 7-Month	5.20" (132.08mm)	10.27" (260.86mm)	-5.07" (-128.78mm)	13th Driest	Driest since: 1962	2011
Oct 1970–Apr 1971 7-Month	5.20" (132.08mm)	10.27" (260.86mm)	-5.07" (-128.78mm)	116th Wettest	Wettest since: 1970	1941
Sep 1970–Apr 1971 8-Month	11.81" (299.97mm)	14.60" (370.84mm)	-2.79" (-70.87mm)	45th Driest	Driest since: 1969	1901
Sep 1970–Apr 1971 8-Month	11.81" (299.97mm)	14.60" (370.84mm)	-2.79" (-70.87mm)	84th Wettest	Wettest since: 1970	1968
Aug 1970–Apr 1971 9-Month	13.81" (350.77mm)	16.78" (426.21mm)	-2.97" (-75.44mm)	40th Driest	Driest since: 1969	1901
	13.81" (350.77mm)	16.78" (426.21mm)	-2.97" (-75.44mm)	89th Wettest	Wettest since: 1970	1968
	Ties: 2017
Jul 1970–Apr 1971 10-Month	16.00" (406.40mm)	18.46" (468.88mm)	-2.46" (-62.48mm)	51st Driest	Driest since: 1969	1898
Jul 1970–Apr 1971 10-Month	16.00" (406.40mm)	18.46" (468.88mm)	-2.46" (-62.48mm)	78th Wettest	Wettest since: 1970	1968
Jun 1970–Apr 1971 11-Month	19.78" (502.41mm)	21.11" (536.19mm)	-1.33" (-33.78mm)	54th Driest	Driest since: 1969	1901
Jun 1970–Apr 1971 11-Month	19.78" (502.41mm)	21.11" (536.19mm)	-1.33" (-33.78mm)	75th Wettest	Wettest since: 1970	1968
May 1970–Apr 1971 12-Month	25.52" (648.21mm)	23.79" (604.27mm)	1.73" (43.94mm)	82nd Driest	Driest since: 1970	1901
May 1970–Apr 1971 12-Month	25.52" (648.21mm)	23.79" (604.27mm)	1.73" (43.94mm)	47th Wettest	Wettest since: 1968	1968
Nov 1969–Apr 1971 18-Month	34.35" (872.49mm)	31.57" (801.88mm)	2.78" (70.61mm)	86th Driest	Driest since: 1970	1898
Nov 1969–Apr 1971 18-Month	34.35" (872.49mm)	31.57" (801.88mm)	2.78" (70.61mm)	42nd Wettest	Wettest since: 1969	1942
May 1969–Apr 1971 24-Month	48.84" (1,240.54mm)	47.53" (1,207.26mm)	1.31" (33.28mm)	69th Driest	Driest since: 1970	1899
May 1969–Apr 1971 24-Month	48.84" (1,240.54mm)	47.53" (1,207.26mm)	1.31" (33.28mm)	59th Wettest	Wettest since: 1969	1977
May 1968–Apr 1971 36-Month	72.25" (1,835.15mm)	71.13" (1,806.70mm)	1.12" (28.45mm)	70th Driest	Driest since: 1967	1899
May 1968–Apr 1971 36-Month	72.25" (1,835.15mm)	71.13" (1,806.70mm)	1.12" (28.45mm)	57th Wettest	Wettest since: 1970	1974
May 1967–Apr 1971 48-Month	115.03" (2,921.76mm)	94.59" (2,402.59mm)	20.44" (519.17mm)	116th Driest	Driest since: 1970	1901
May 1967–Apr 1971 48-Month	115.03" (2,921.76mm)	94.59" (2,402.59mm)	20.44" (519.17mm)	10th Wettest	Wettest since: 1969	1977
May 1966–Apr 1971 60-Month	140.31" (3,563.87mm)	117.97" (2,996.44mm)	22.34" (567.43mm)	113th Driest	Driest since: 1969	1902
May 1966–Apr 1971 60-Month	140.31" (3,563.87mm)	117.97" (2,996.44mm)	22.34" (567.43mm)	12th Wettest	Wettest since: 1970	1977

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings