Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

South Climate Region

Precipitation Rankings, May 2007

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 2007 1-Month	5.27" (133.86mm)	4.05" (102.87mm)	1.22" (30.99mm)	111th Driest	Driest since: 2006	1998
	5.27" (133.86mm)	4.05" (102.87mm)	1.22" (30.99mm)	18th Wettest	Wettest since: 1995	2015
	Ties: 1981
Apr–May 2007 2-Month	8.12" (206.25mm)	7.26" (184.40mm)	0.86" (21.85mm)	93rd Driest	Driest since: 2006	1998
Apr–May 2007 2-Month	8.12" (206.25mm)	7.26" (184.40mm)	0.86" (21.85mm)	36th Wettest	Wettest since: 1997	2015
Mar–May 2007 3-Month	11.60" (294.64mm)	9.96" (252.98mm)	1.64" (41.66mm)	102nd Driest	Driest since: 2006	1925
Mar–May 2007 3-Month	11.60" (294.64mm)	9.96" (252.98mm)	1.64" (41.66mm)	27th Wettest	Wettest since: 1997	2015
Feb–May 2007 4-Month	12.66" (321.56mm)	12.19" (309.63mm)	0.47" (11.93mm)	82nd Driest	Driest since: 2006	1925
Feb–May 2007 4-Month	12.66" (321.56mm)	12.19" (309.63mm)	0.47" (11.93mm)	47th Wettest	Wettest since: 2004	2015
Jan–May 2007 5-Month	16.38" (416.05mm)	14.42" (366.27mm)	1.96" (49.78mm)	98th Driest	Driest since: 2006	1963
Jan–May 2007 5-Month	16.38" (416.05mm)	14.42" (366.27mm)	1.96" (49.78mm)	31st Wettest	Wettest since: 2004	2015
Dec 2006–May 2007 6-Month	20.11" (510.79mm)	16.92" (429.77mm)	3.19" (81.02mm)	106th Driest	Driest since: 2006	1963
Dec 2006–May 2007 6-Month	20.11" (510.79mm)	16.92" (429.77mm)	3.19" (81.02mm)	22nd Wettest	Wettest since: 1997	2015
Nov 2006–May 2007 7-Month	21.80" (553.72mm)	19.34" (491.24mm)	2.46" (62.48mm)	92nd Driest	Driest since: 2006	1971
Nov 2006–May 2007 7-Month	21.80" (553.72mm)	19.34" (491.24mm)	2.46" (62.48mm)	36th Wettest	Wettest since: 2001	2016
Oct 2006–May 2007 8-Month	26.21" (665.73mm)	22.04" (559.82mm)	4.17" (105.91mm)	109th Driest	Driest since: 2006	1925
Oct 2006–May 2007 8-Month	26.21" (665.73mm)	22.04" (559.82mm)	4.17" (105.91mm)	19th Wettest	Wettest since: 2001	2019
Sep 2006–May 2007 9-Month	29.31" (744.47mm)	25.25" (641.35mm)	4.06" (103.12mm)	105th Driest	Driest since: 2006	1918
Sep 2006–May 2007 9-Month	29.31" (744.47mm)	25.25" (641.35mm)	4.06" (103.12mm)	23rd Wettest	Wettest since: 1999	2019
Aug 2006–May 2007 10-Month	32.55" (826.77mm)	28.19" (716.03mm)	4.36" (110.74mm)	109th Driest	Driest since: 2006	1925
Aug 2006–May 2007 10-Month	32.55" (826.77mm)	28.19" (716.03mm)	4.36" (110.74mm)	19th Wettest	Wettest since: 1999	2019
Jul 2006–May 2007 11-Month	35.20" (894.08mm)	31.39" (797.31mm)	3.81" (96.77mm)	103rd Driest	Driest since: 2006	1925
Jul 2006–May 2007 11-Month	35.20" (894.08mm)	31.39" (797.31mm)	3.81" (96.77mm)	25th Wettest	Wettest since: 1999	2019
Jun 2006–May 2007 12-Month	37.48" (951.99mm)	34.90" (886.46mm)	2.58" (65.53mm)	87th Driest	Driest since: 2006	1925
Jun 2006–May 2007 12-Month	37.48" (951.99mm)	34.90" (886.46mm)	2.58" (65.53mm)	41st Wettest	Wettest since: 2005	2019
Dec 2005–May 2007 18-Month	50.15" (1,273.81mm)	51.87" (1,317.50mm)	-1.72" (-43.69mm)	46th Driest	Driest since: 2006	1918
Dec 2005–May 2007 18-Month	50.15" (1,273.81mm)	51.87" (1,317.50mm)	-1.72" (-43.69mm)	81st Wettest	Wettest since: 2005	2016
Jun 2005–May 2007 24-Month	66.02" (1,676.91mm)	69.89" (1,775.21mm)	-3.87" (-98.30mm)	33rd Driest	Driest since: 2001	1918
Jun 2005–May 2007 24-Month	66.02" (1,676.91mm)	69.89" (1,775.21mm)	-3.87" (-98.30mm)	94th Wettest	Wettest since: 2006	2020
Jun 2004–May 2007 36-Month	107.04" (2,718.82mm)	104.83" (2,662.68mm)	2.21" (56.14mm)	68th Driest	Driest since: 2002	1956
Jun 2004–May 2007 36-Month	107.04" (2,718.82mm)	104.83" (2,662.68mm)	2.21" (56.14mm)	58th Wettest	Wettest since: 2006	1975
Jun 2003–May 2007 48-Month	144.55" (3,671.57mm)	139.71" (3,548.63mm)	4.84" (122.94mm)	80th Driest	Driest since: 2006	1956
Jun 2003–May 2007 48-Month	144.55" (3,671.57mm)	139.71" (3,548.63mm)	4.84" (122.94mm)	45th Wettest	Wettest since: 2005	1975
Jun 2002–May 2007 60-Month	180.81" (4,592.57mm)	174.45" (4,431.03mm)	6.36" (161.54mm)	81st Driest	Driest since: 2006	1957
Jun 2002–May 2007 60-Month	180.81" (4,592.57mm)	174.45" (4,431.03mm)	6.36" (161.54mm)	43rd Wettest	Wettest since: 2005	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings