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, November 1999

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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
November 1999 1-Month	1.44" (36.58mm)	2.23" (56.64mm)	-0.79" (-20.06mm)	13th Driest	Driest since: 1976	1917
	1.44" (36.58mm)	2.23" (56.64mm)	-0.79" (-20.06mm)	116th Wettest	Wettest since: 1998	1983
	Ties: 1943
Oct–Nov 1999 2-Month	3.01" (76.45mm)	4.40" (111.76mm)	-1.39" (-35.31mm)	8th Driest	Driest since: 1952	1917
Oct–Nov 1999 2-Month	3.01" (76.45mm)	4.40" (111.76mm)	-1.39" (-35.31mm)	121st Wettest	Wettest since: 1998	1985
Sep–Nov 1999 3-Month	5.53" (140.46mm)	6.88" (174.75mm)	-1.35" (-34.29mm)	11th Driest	Driest since: 1956	1939
	5.53" (140.46mm)	6.88" (174.75mm)	-1.35" (-34.29mm)	118th Wettest	Wettest since: 1998	1985
	Ties: 1908
Aug–Nov 1999 4-Month	7.83" (198.88mm)	9.50" (241.30mm)	-1.67" (-42.42mm)	11th Driest	Driest since: 1956	1952
Aug–Nov 1999 4-Month	7.83" (198.88mm)	9.50" (241.30mm)	-1.67" (-42.42mm)	118th Wettest	Wettest since: 1998	2018
Jul–Nov 1999 5-Month	10.41" (264.41mm)	12.28" (311.91mm)	-1.87" (-47.50mm)	10th Driest	Driest since: 1956	1952
Jul–Nov 1999 5-Month	10.41" (264.41mm)	12.28" (311.91mm)	-1.87" (-47.50mm)	119th Wettest	Wettest since: 1998	2018
Jun–Nov 1999 6-Month	13.72" (348.49mm)	15.20" (386.08mm)	-1.48" (-37.59mm)	19th Driest	Driest since: 1980	1952
Jun–Nov 1999 6-Month	13.72" (348.49mm)	15.20" (386.08mm)	-1.48" (-37.59mm)	110th Wettest	Wettest since: 1998	2004
May–Nov 1999 7-Month	16.63" (422.40mm)	18.12" (460.25mm)	-1.49" (-37.85mm)	26th Driest	Driest since: 1988	1952
May–Nov 1999 7-Month	16.63" (422.40mm)	18.12" (460.25mm)	-1.49" (-37.85mm)	103rd Wettest	Wettest since: 1998	2004
Apr–Nov 1999 8-Month	19.50" (495.30mm)	20.63" (524.00mm)	-1.13" (-28.70mm)	28th Driest	Driest since: 1988	1952
Apr–Nov 1999 8-Month	19.50" (495.30mm)	20.63" (524.00mm)	-1.13" (-28.70mm)	101st Wettest	Wettest since: 1998	2015
Mar–Nov 1999 9-Month	21.69" (550.93mm)	23.14" (587.76mm)	-1.45" (-36.83mm)	28th Driest	Driest since: 1988	1956
Mar–Nov 1999 9-Month	21.69" (550.93mm)	23.14" (587.76mm)	-1.45" (-36.83mm)	101st Wettest	Wettest since: 1998	1973
Feb–Nov 1999 10-Month	23.61" (599.69mm)	25.28" (642.11mm)	-1.67" (-42.42mm)	24th Driest	Driest since: 1988	1910
Feb–Nov 1999 10-Month	23.61" (599.69mm)	25.28" (642.11mm)	-1.67" (-42.42mm)	105th Wettest	Wettest since: 1998	2019
Jan–Nov 1999 11-Month	26.74" (679.20mm)	27.59" (700.79mm)	-0.85" (-21.59mm)	38th Driest	Driest since: 1988	1910
Jan–Nov 1999 11-Month	26.74" (679.20mm)	27.59" (700.79mm)	-0.85" (-21.59mm)	91st Wettest	Wettest since: 1998	2019
Dec 1998–Nov 1999 12-Month	28.82" (732.03mm)	29.94" (760.48mm)	-1.12" (-28.45mm)	37th Driest	Driest since: 1988	1931
Dec 1998–Nov 1999 12-Month	28.82" (732.03mm)	29.94" (760.48mm)	-1.12" (-28.45mm)	91st Wettest	Wettest since: 1998	2019
Jun 1998–Nov 1999 18-Month	45.53" (1,156.46mm)	45.16" (1,147.06mm)	0.37" (9.40mm)	63rd Driest	Driest since: 1989	1931
Jun 1998–Nov 1999 18-Month	45.53" (1,156.46mm)	45.16" (1,147.06mm)	0.37" (9.40mm)	65th Wettest	Wettest since: 1998	2019
Dec 1997–Nov 1999 24-Month	62.94" (1,598.68mm)	59.90" (1,521.46mm)	3.04" (77.22mm)	95th Driest	Driest since: 1990	1931
Dec 1997–Nov 1999 24-Month	62.94" (1,598.68mm)	59.90" (1,521.46mm)	3.04" (77.22mm)	32nd Wettest	Wettest since: 1998	2019
Dec 1996–Nov 1999 36-Month	95.78" (2,432.81mm)	89.86" (2,282.44mm)	5.92" (150.37mm)	108th Driest	Driest since: 1996	1956
Dec 1996–Nov 1999 36-Month	95.78" (2,432.81mm)	89.86" (2,282.44mm)	5.92" (150.37mm)	18th Wettest	Wettest since: 1998	2019
Dec 1995–Nov 1999 48-Month	128.44" (3,262.38mm)	119.78" (3,042.41mm)	8.66" (219.97mm)	112th Driest	Driest since: 1995	1956
Dec 1995–Nov 1999 48-Month	128.44" (3,262.38mm)	119.78" (3,042.41mm)	8.66" (219.97mm)	13th Wettest	Wettest since: 1998	2019
Dec 1994–Nov 1999 60-Month	161.07" (4,091.18mm)	149.66" (3,801.36mm)	11.41" (289.82mm)	115th Driest	Driest since: 1996	1956
Dec 1994–Nov 1999 60-Month	161.07" (4,091.18mm)	149.66" (3,801.36mm)	11.41" (289.82mm)	9th Wettest	Wettest since: 1998	2019

Citing This Page

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