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.

Northwest Climate Region

Precipitation Rankings, October 1997

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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
October 1997 1-Month	4.08" (103.63mm)	2.54" (64.52mm)	1.54" (39.11mm)	119th Driest	Driest since: 1996	1895
	4.08" (103.63mm)	2.54" (64.52mm)	1.54" (39.11mm)	10th Wettest	Wettest since: 1975	2016
	Ties: 1955
Sep–Oct 1997 2-Month	6.52" (165.61mm)	3.96" (100.58mm)	2.56" (65.03mm)	123rd Driest	Driest since: 1996	1987
Sep–Oct 1997 2-Month	6.52" (165.61mm)	3.96" (100.58mm)	2.56" (65.03mm)	6th Wettest	Wettest since: 1950	2016
Aug–Oct 1997 3-Month	7.49" (190.25mm)	4.76" (120.90mm)	2.73" (69.35mm)	123rd Driest	Driest since: 1996	1987
Aug–Oct 1997 3-Month	7.49" (190.25mm)	4.76" (120.90mm)	2.73" (69.35mm)	6th Wettest	Wettest since: 1968	2016
Jul–Oct 1997 4-Month	8.96" (227.58mm)	5.49" (139.45mm)	3.47" (88.13mm)	127th Driest	Driest since: 1996	1952
Jul–Oct 1997 4-Month	8.96" (227.58mm)	5.49" (139.45mm)	3.47" (88.13mm)	2nd Wettest	Wettest to Date	2016
Jun–Oct 1997 5-Month	11.20" (284.48mm)	7.21" (183.13mm)	3.99" (101.35mm)	127th Driest	Driest since: 1996	1917, 2002
Jun–Oct 1997 5-Month	11.20" (284.48mm)	7.21" (183.13mm)	3.99" (101.35mm)	2nd Wettest	Wettest since: 1947	1947
May–Oct 1997 6-Month	13.16" (334.26mm)	9.35" (237.49mm)	3.81" (96.77mm)	126th Driest	Driest since: 1996	2002
May–Oct 1997 6-Month	13.16" (334.26mm)	9.35" (237.49mm)	3.81" (96.77mm)	3rd Wettest	Wettest since: 1947	1941
Apr–Oct 1997 7-Month	16.45" (417.83mm)	11.71" (297.43mm)	4.74" (120.40mm)	128th Driest	Driest since: 1996	2002
Apr–Oct 1997 7-Month	16.45" (417.83mm)	11.71" (297.43mm)	4.74" (120.40mm)	1st Wettest	Wettest to Date	1997
Mar–Oct 1997 8-Month	21.17" (537.72mm)	14.97" (380.24mm)	6.20" (157.48mm)	128th Driest	Driest since: 1996	1939
Mar–Oct 1997 8-Month	21.17" (537.72mm)	14.97" (380.24mm)	6.20" (157.48mm)	1st Wettest	Wettest to Date	1997
Feb–Oct 1997 9-Month	23.60" (599.44mm)	18.58" (471.93mm)	5.02" (127.51mm)	124th Driest	Driest since: 1996	1929
Feb–Oct 1997 9-Month	23.60" (599.44mm)	18.58" (471.93mm)	5.02" (127.51mm)	5th Wettest	Wettest since: 1983	2017
Jan–Oct 1997 10-Month	29.49" (749.05mm)	23.10" (586.74mm)	6.39" (162.31mm)	127th Driest	Driest since: 1996	1929
Jan–Oct 1997 10-Month	29.49" (749.05mm)	23.10" (586.74mm)	6.39" (162.31mm)	2nd Wettest	Wettest since: 1950	1950
Dec 1996–Oct 1997 11-Month	39.76" (1,009.90mm)	27.75" (704.85mm)	12.01" (305.05mm)	127th Driest	Driest since: 1996	1929
Dec 1996–Oct 1997 11-Month	39.76" (1,009.90mm)	27.75" (704.85mm)	12.01" (305.05mm)	1st Wettest	Wettest to Date	1997
Nov 1996–Oct 1997 12-Month	45.55" (1,156.97mm)	32.10" (815.34mm)	13.45" (341.63mm)	127th Driest	Driest since: 1996	1977
Nov 1996–Oct 1997 12-Month	45.55" (1,156.97mm)	32.10" (815.34mm)	13.45" (341.63mm)	1st Wettest	Wettest to Date	1997
May 1996–Oct 1997 18-Month	56.18" (1,426.97mm)	41.48" (1,053.59mm)	14.70" (373.38mm)	127th Driest	Driest since: 1996	1929
May 1996–Oct 1997 18-Month	56.18" (1,426.97mm)	41.48" (1,053.59mm)	14.70" (373.38mm)	1st Wettest	Wettest to Date	1997
Nov 1995–Oct 1997 24-Month	87.31" (2,217.67mm)	64.23" (1,631.44mm)	23.08" (586.23mm)	126th Driest	Driest since: 1996	1930
Nov 1995–Oct 1997 24-Month	87.31" (2,217.67mm)	64.23" (1,631.44mm)	23.08" (586.23mm)	1st Wettest	Wettest to Date	1997
Nov 1994–Oct 1997 36-Month	125.05" (3,176.27mm)	96.31" (2,446.27mm)	28.74" (730.00mm)	125th Driest	Driest since: 1996	1931
Nov 1994–Oct 1997 36-Month	125.05" (3,176.27mm)	96.31" (2,446.27mm)	28.74" (730.00mm)	1st Wettest	Wettest to Date	1997
Nov 1993–Oct 1997 48-Month	149.86" (3,806.44mm)	128.38" (3,260.85mm)	21.48" (545.59mm)	121st Driest	Driest since: 1996	1931
Nov 1993–Oct 1997 48-Month	149.86" (3,806.44mm)	128.38" (3,260.85mm)	21.48" (545.59mm)	4th Wettest	Wettest since: 1984	1999
Nov 1992–Oct 1997 60-Month	182.92" (4,646.17mm)	160.37" (4,073.40mm)	22.55" (572.77mm)	120th Driest	Driest since: 1996	1932
Nov 1992–Oct 1997 60-Month	182.92" (4,646.17mm)	160.37" (4,073.40mm)	22.55" (572.77mm)	4th Wettest	Wettest since: 1984	1999

Citing This Page

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