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, February 1999

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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
February 1999 1-Month	1.92" (48.77mm)	2.13" (54.10mm)	-0.21" (-5.33mm)	45th Driest	Driest since: 1996	1947
	1.92" (48.77mm)	2.13" (54.10mm)	-0.21" (-5.33mm)	85th Wettest	Wettest since: 1998	1998
	Ties: 1980
Jan–Feb 1999 2-Month	5.05" (128.27mm)	4.45" (113.03mm)	0.60" (15.24mm)	107th Driest	Driest since: 1996	1977
Jan–Feb 1999 2-Month	5.05" (128.27mm)	4.45" (113.03mm)	0.60" (15.24mm)	23rd Wettest	Wettest since: 1998	1998
Dec 1998–Feb 1999 3-Month	7.13" (181.10mm)	6.79" (172.47mm)	0.34" (8.63mm)	89th Driest	Driest since: 1996	1977
	7.13" (181.10mm)	6.79" (172.47mm)	0.34" (8.63mm)	40th Wettest	Wettest since: 1998	2019
	Ties: 1939, 1956
Nov 1998–Feb 1999 4-Month	9.76" (247.90mm)	9.02" (229.11mm)	0.74" (18.79mm)	99th Driest	Driest since: 1996	1977
Nov 1998–Feb 1999 4-Month	9.76" (247.90mm)	9.02" (229.11mm)	0.74" (18.79mm)	30th Wettest	Wettest since: 1998	2019
Oct 1998–Feb 1999 5-Month	12.73" (323.34mm)	11.19" (284.23mm)	1.54" (39.11mm)	111th Driest	Driest since: 1996	1977
	12.73" (323.34mm)	11.19" (284.23mm)	1.54" (39.11mm)	18th Wettest	Wettest since: 1998	2019
	Ties: 1995
Sep 1998–Feb 1999 6-Month	15.24" (387.10mm)	13.68" (347.47mm)	1.56" (39.63mm)	108th Driest	Driest since: 1996	1977
Sep 1998–Feb 1999 6-Month	15.24" (387.10mm)	13.68" (347.47mm)	1.56" (39.63mm)	21st Wettest	Wettest since: 1998	2019
Aug 1998–Feb 1999 7-Month	17.66" (448.56mm)	16.31" (414.27mm)	1.35" (34.29mm)	101st Driest	Driest since: 1996	1977
Aug 1998–Feb 1999 7-Month	17.66" (448.56mm)	16.31" (414.27mm)	1.35" (34.29mm)	28th Wettest	Wettest since: 1998	2019
Jul 1998–Feb 1999 8-Month	20.52" (521.21mm)	19.09" (484.89mm)	1.43" (36.32mm)	103rd Driest	Driest since: 1996	1977
	20.52" (521.21mm)	19.09" (484.89mm)	1.43" (36.32mm)	26th Wettest	Wettest since: 1998	2019
	Ties: 1982
Jun 1998–Feb 1999 9-Month	23.84" (605.54mm)	22.02" (559.31mm)	1.82" (46.23mm)	105th Driest	Driest since: 1996	1918, 1931, 1977
Jun 1998–Feb 1999 9-Month	23.84" (605.54mm)	22.02" (559.31mm)	1.82" (46.23mm)	24th Wettest	Wettest since: 1998	2019
May 1998–Feb 1999 10-Month	26.46" (672.08mm)	24.92" (632.97mm)	1.54" (39.11mm)	101st Driest	Driest since: 1995	1918
May 1998–Feb 1999 10-Month	26.46" (672.08mm)	24.92" (632.97mm)	1.54" (39.11mm)	28th Wettest	Wettest since: 1998	2019
Apr 1998–Feb 1999 11-Month	29.03" (737.36mm)	27.45" (697.23mm)	1.58" (40.13mm)	103rd Driest	Driest since: 1995	1931
Apr 1998–Feb 1999 11-Month	29.03" (737.36mm)	27.45" (697.23mm)	1.58" (40.13mm)	26th Wettest	Wettest since: 1998	2019
Mar 1998–Feb 1999 12-Month	32.26" (819.40mm)	29.96" (760.98mm)	2.30" (58.42mm)	108th Driest	Driest since: 1995	1931
Mar 1998–Feb 1999 12-Month	32.26" (819.40mm)	29.96" (760.98mm)	2.30" (58.42mm)	21st Wettest	Wettest since: 1998	2019
Sep 1997–Feb 1999 18-Month	48.60" (1,234.44mm)	43.65" (1,108.71mm)	4.95" (125.73mm)	122nd Driest	Driest since: 1997	1918
Sep 1997–Feb 1999 18-Month	48.60" (1,234.44mm)	43.65" (1,108.71mm)	4.95" (125.73mm)	6th Wettest	Wettest since: 1998	2020
Mar 1997–Feb 1999 24-Month	65.60" (1,666.24mm)	59.92" (1,521.97mm)	5.68" (144.27mm)	118th Driest	Driest since: 1996	1935
Mar 1997–Feb 1999 24-Month	65.60" (1,666.24mm)	59.92" (1,521.97mm)	5.68" (144.27mm)	10th Wettest	Wettest since: 1998	2020
Mar 1996–Feb 1999 36-Month	99.79" (2,534.67mm)	89.87" (2,282.70mm)	9.92" (251.97mm)	123rd Driest	Driest since: 1997	1957
Mar 1996–Feb 1999 36-Month	99.79" (2,534.67mm)	89.87" (2,282.70mm)	9.92" (251.97mm)	4th Wettest	Wettest since: 1998	2020
Mar 1995–Feb 1999 48-Month	132.41" (3,363.21mm)	119.77" (3,042.16mm)	12.64" (321.05mm)	123rd Driest	Driest since: 1998	1957
Mar 1995–Feb 1999 48-Month	132.41" (3,363.21mm)	119.77" (3,042.16mm)	12.64" (321.05mm)	3rd Wettest	Wettest to Date	2019
Mar 1994–Feb 1999 60-Month	163.42" (4,150.87mm)	149.63" (3,800.60mm)	13.79" (350.27mm)	121st Driest	Driest since: 1998	1957
Mar 1994–Feb 1999 60-Month	163.42" (4,150.87mm)	149.63" (3,800.60mm)	13.79" (350.27mm)	4th Wettest	Wettest to Date	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings