National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, July 2006

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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
July 2006 1-Month	2.46" (62.48mm)	2.78" (70.61mm)	-0.32" (-8.13mm)	21st Driest	Driest since: 2000	1930
July 2006 1-Month	2.46" (62.48mm)	2.78" (70.61mm)	-0.32" (-8.13mm)	108th Wettest	Wettest since: 2005	1950, 1958
Jun–Jul 2006 2-Month	5.02" (127.51mm)	5.70" (144.78mm)	-0.68" (-17.27mm)	17th Driest	Driest since: 1988	1930
	5.02" (127.51mm)	5.70" (144.78mm)	-0.68" (-17.27mm)	112th Wettest	Wettest since: 2005	1928
	Ties: 2011
May–Jul 2006 3-Month	7.31" (185.67mm)	8.62" (218.95mm)	-1.31" (-33.28mm)	12th Driest	Driest since: 1988	1988
May–Jul 2006 3-Month	7.31" (185.67mm)	8.62" (218.95mm)	-1.31" (-33.28mm)	117th Wettest	Wettest since: 2005	2015
Apr–Jul 2006 4-Month	9.85" (250.19mm)	11.13" (282.70mm)	-1.28" (-32.51mm)	16th Driest	Driest since: 1988	1934
Apr–Jul 2006 4-Month	9.85" (250.19mm)	11.13" (282.70mm)	-1.28" (-32.51mm)	113th Wettest	Wettest since: 2005	2015
Mar–Jul 2006 5-Month	12.16" (308.86mm)	13.64" (346.46mm)	-1.48" (-37.60mm)	16th Driest	Driest since: 1988	1936
Mar–Jul 2006 5-Month	12.16" (308.86mm)	13.64" (346.46mm)	-1.48" (-37.60mm)	113th Wettest	Wettest since: 2005	1973
Feb–Jul 2006 6-Month	13.68" (347.47mm)	15.78" (400.81mm)	-2.10" (-53.34mm)	11th Driest	Driest since: 1988	1934
Feb–Jul 2006 6-Month	13.68" (347.47mm)	15.78" (400.81mm)	-2.10" (-53.34mm)	118th Wettest	Wettest since: 2005	2019
Jan–Jul 2006 7-Month	16.29" (413.77mm)	18.09" (459.49mm)	-1.80" (-45.72mm)	17th Driest	Driest since: 2002	1934
	16.29" (413.77mm)	18.09" (459.49mm)	-1.80" (-45.72mm)	112th Wettest	Wettest since: 2005	2019
	Ties: 2012
Dec 2005–Jul 2006 8-Month	18.58" (471.93mm)	20.44" (519.18mm)	-1.86" (-47.25mm)	19th Driest	Driest since: 2002	1931
Dec 2005–Jul 2006 8-Month	18.58" (471.93mm)	20.44" (519.18mm)	-1.86" (-47.25mm)	109th Wettest	Wettest since: 2005	2019
Nov 2005–Jul 2006 9-Month	20.80" (528.32mm)	22.66" (575.56mm)	-1.86" (-47.24mm)	24th Driest	Driest since: 2002	1934
Nov 2005–Jul 2006 9-Month	20.80" (528.32mm)	22.66" (575.56mm)	-1.86" (-47.24mm)	104th Wettest	Wettest since: 2005	2019
Oct 2005–Jul 2006 10-Month	23.17" (588.52mm)	24.83" (630.68mm)	-1.66" (-42.16mm)	27th Driest	Driest since: 2002	1934
Oct 2005–Jul 2006 10-Month	23.17" (588.52mm)	24.83" (630.68mm)	-1.66" (-42.16mm)	101st Wettest	Wettest since: 2005	2019
Sep 2005–Jul 2006 11-Month	25.11" (637.79mm)	27.33" (694.18mm)	-2.22" (-56.39mm)	21st Driest	Driest since: 2000	1934
Sep 2005–Jul 2006 11-Month	25.11" (637.79mm)	27.33" (694.18mm)	-2.22" (-56.39mm)	107th Wettest	Wettest since: 2005	2019
Aug 2005–Jul 2006 12-Month	28.10" (713.74mm)	29.95" (760.73mm)	-1.85" (-46.99mm)	25th Driest	Driest since: 2002	1918
Aug 2005–Jul 2006 12-Month	28.10" (713.74mm)	29.95" (760.73mm)	-1.85" (-46.99mm)	103rd Wettest	Wettest since: 2005	2019
Feb 2005–Jul 2006 18-Month	43.67" (1,109.22mm)	45.74" (1,161.80mm)	-2.07" (-52.58mm)	32nd Driest	Driest since: 2002	1931
Feb 2005–Jul 2006 18-Month	43.67" (1,109.22mm)	45.74" (1,161.80mm)	-2.07" (-52.58mm)	96th Wettest	Wettest since: 2005	2019
Aug 2004–Jul 2006 24-Month	60.79" (1,544.07mm)	59.92" (1,521.97mm)	0.87" (22.10mm)	69th Driest	Driest since: 2003	1918
Aug 2004–Jul 2006 24-Month	60.79" (1,544.07mm)	59.92" (1,521.97mm)	0.87" (22.10mm)	58th Wettest	Wettest since: 2005	2020
Aug 2003–Jul 2006 36-Month	91.76" (2,330.70mm)	89.88" (2,282.95mm)	1.88" (47.75mm)	80th Driest	Driest since: 2004	1956
Aug 2003–Jul 2006 36-Month	91.76" (2,330.70mm)	89.88" (2,282.95mm)	1.88" (47.75mm)	46th Wettest	Wettest since: 2005	2019
Aug 2002–Jul 2006 48-Month	123.20" (3,129.28mm)	119.78" (3,042.41mm)	3.42" (86.87mm)	91st Driest	Driest since: 2005	1956
Aug 2002–Jul 2006 48-Month	123.20" (3,129.28mm)	119.78" (3,042.41mm)	3.42" (86.87mm)	34th Wettest	Wettest since: 2000	2019
Aug 2001–Jul 2006 60-Month	150.85" (3,831.59mm)	149.64" (3,800.86mm)	1.21" (30.73mm)	68th Driest	Driest since: 2004	1934
Aug 2001–Jul 2006 60-Month	150.85" (3,831.59mm)	149.64" (3,800.86mm)	1.21" (30.73mm)	56th Wettest	Wettest since: 2005	2019

Citing This Page

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