Divisional Rankings

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Division:

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.

Oregon, Climate Division 9. Southeast

Precipitation Rankings, December 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
December 1999 1-Month	0.89" (22.61mm)	1.47" (37.34mm)	-0.58" (-14.73mm)	37th Driest	Driest since: 1997	1976
December 1999 1-Month	0.89" (22.61mm)	1.47" (37.34mm)	-0.58" (-14.73mm)	92nd Wettest	Wettest since: 1998	1983
Nov–Dec 1999 2-Month	1.33" (33.78mm)	2.77" (70.36mm)	-1.44" (-36.58mm)	16th Driest	Driest since: 1993	1976
Nov–Dec 1999 2-Month	1.33" (33.78mm)	2.77" (70.36mm)	-1.44" (-36.58mm)	113th Wettest	Wettest since: 1998	1983
Oct–Dec 1999 3-Month	1.70" (43.18mm)	3.66" (92.96mm)	-1.96" (-49.78mm)	7th Driest	Driest since: 1989	1976
	1.70" (43.18mm)	3.66" (92.96mm)	-1.96" (-49.78mm)	122nd Wettest	Wettest since: 1998	1983
	Ties: 1958
Sep–Dec 1999 4-Month	1.71" (43.43mm)	4.24" (107.70mm)	-2.53" (-64.27mm)	2nd Driest	Driest since: 1936	1936
Sep–Dec 1999 4-Month	1.71" (43.43mm)	4.24" (107.70mm)	-2.53" (-64.27mm)	127th Wettest	Wettest since: 1998	1981
Aug–Dec 1999 5-Month	2.08" (52.83mm)	4.62" (117.35mm)	-2.54" (-64.52mm)	4th Driest	Driest since: 1936	1936
Aug–Dec 1999 5-Month	2.08" (52.83mm)	4.62" (117.35mm)	-2.54" (-64.52mm)	125th Wettest	Wettest since: 1998	1983
Jul–Dec 1999 6-Month	2.11" (53.59mm)	4.98" (126.49mm)	-2.87" (-72.90mm)	2nd Driest	Driest since: 1929	1929
Jul–Dec 1999 6-Month	2.11" (53.59mm)	4.98" (126.49mm)	-2.87" (-72.90mm)	127th Wettest	Wettest since: 1998	1983
Jun–Dec 1999 7-Month	3.02" (76.71mm)	6.09" (154.69mm)	-3.07" (-77.98mm)	3rd Driest	Driest since: 1949	1935
Jun–Dec 1999 7-Month	3.02" (76.71mm)	6.09" (154.69mm)	-3.07" (-77.98mm)	126th Wettest	Wettest since: 1998	1983
May–Dec 1999 8-Month	3.76" (95.50mm)	7.36" (186.94mm)	-3.60" (-91.44mm)	2nd Driest	Driest since: 1928	1928
May–Dec 1999 8-Month	3.76" (95.50mm)	7.36" (186.94mm)	-3.60" (-91.44mm)	127th Wettest	Wettest since: 1998	1983
Apr–Dec 1999 9-Month	4.36" (110.74mm)	8.46" (214.88mm)	-4.10" (-104.14mm)	2nd Driest	Driest since: 1928	1928
Apr–Dec 1999 9-Month	4.36" (110.74mm)	8.46" (214.88mm)	-4.10" (-104.14mm)	127th Wettest	Wettest since: 1998	1983
Mar–Dec 1999 10-Month	5.00" (127.00mm)	9.67" (245.62mm)	-4.67" (-118.62mm)	1st Driest	Driest to Date	1999
Mar–Dec 1999 10-Month	5.00" (127.00mm)	9.67" (245.62mm)	-4.67" (-118.62mm)	128th Wettest	Wettest since: 1998	1983
Feb–Dec 1999 11-Month	7.38" (187.45mm)	10.98" (278.89mm)	-3.60" (-91.44mm)	10th Driest	Driest since: 1954	1928
Feb–Dec 1999 11-Month	7.38" (187.45mm)	10.98" (278.89mm)	-3.60" (-91.44mm)	119th Wettest	Wettest since: 1998	1983
Jan–Dec 1999 12-Month	9.43" (239.52mm)	12.55" (318.77mm)	-3.12" (-79.25mm)	16th Driest	Driest since: 1990	1949
Jan–Dec 1999 12-Month	9.43" (239.52mm)	12.55" (318.77mm)	-3.12" (-79.25mm)	113th Wettest	Wettest since: 1998	1983
Jul 1998–Dec 1999 18-Month	15.50" (393.70mm)	17.53" (445.26mm)	-2.03" (-51.56mm)	36th Driest	Driest since: 1994	1954
Jul 1998–Dec 1999 18-Month	15.50" (393.70mm)	17.53" (445.26mm)	-2.03" (-51.56mm)	92nd Wettest	Wettest since: 1998	1983
Jan 1998–Dec 1999 24-Month	29.57" (751.08mm)	25.09" (637.29mm)	4.48" (113.79mm)	113th Driest	Driest since: 1997	1929
Jan 1998–Dec 1999 24-Month	29.57" (751.08mm)	25.09" (637.29mm)	4.48" (113.79mm)	15th Wettest	Wettest since: 1998	1983
Jan 1997–Dec 1999 36-Month	41.38" (1,051.05mm)	37.68" (957.07mm)	3.70" (93.98mm)	102nd Driest	Driest since: 1994	1930
Jan 1997–Dec 1999 36-Month	41.38" (1,051.05mm)	37.68" (957.07mm)	3.70" (93.98mm)	25th Wettest	Wettest since: 1998	1983
Jan 1996–Dec 1999 48-Month	57.51" (1,460.75mm)	50.15" (1,273.81mm)	7.36" (186.94mm)	115th Driest	Driest since: 1997	1931
Jan 1996–Dec 1999 48-Month	57.51" (1,460.75mm)	50.15" (1,273.81mm)	7.36" (186.94mm)	11th Wettest	Wettest since: 1998	1984
Jan 1995–Dec 1999 60-Month	75.07" (1,906.78mm)	62.65" (1,591.31mm)	12.42" (315.47mm)	118th Driest	Driest since: 1997	1933
Jan 1995–Dec 1999 60-Month	75.07" (1,906.78mm)	62.65" (1,591.31mm)	12.42" (315.47mm)	7th Wettest	Wettest since: 1998	1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings