Divisional Rankings

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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, May 1977

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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
May 1977 1-Month	1.91" (48.51mm)	1.27" (32.26mm)	0.64" (16.25mm)	102nd Driest	Driest since: 1976	1928
May 1977 1-Month	1.91" (48.51mm)	1.27" (32.26mm)	0.64" (16.25mm)	28th Wettest	Wettest since: 1962	1998
Apr–May 1977 2-Month	2.10" (53.34mm)	2.37" (60.20mm)	-0.27" (-6.86mm)	51st Driest	Driest since: 1976	1924
Apr–May 1977 2-Month	2.10" (53.34mm)	2.37" (60.20mm)	-0.27" (-6.86mm)	79th Wettest	Wettest since: 1975	1998
Mar–May 1977 3-Month	2.65" (67.31mm)	3.58" (90.93mm)	-0.93" (-23.62mm)	31st Driest	Driest since: 1976	1924
Mar–May 1977 3-Month	2.65" (67.31mm)	3.58" (90.93mm)	-0.93" (-23.62mm)	99th Wettest	Wettest since: 1975	1998
Feb–May 1977 4-Month	3.21" (81.53mm)	4.89" (124.21mm)	-1.68" (-42.68mm)	16th Driest	Driest since: 1969	2013
Feb–May 1977 4-Month	3.21" (81.53mm)	4.89" (124.21mm)	-1.68" (-42.68mm)	114th Wettest	Wettest since: 1976	1998
Jan–May 1977 5-Month	4.03" (102.36mm)	6.46" (164.08mm)	-2.43" (-61.72mm)	13th Driest	Driest since: 1968	1966
Jan–May 1977 5-Month	4.03" (102.36mm)	6.46" (164.08mm)	-2.43" (-61.72mm)	117th Wettest	Wettest since: 1976	1998
Dec 1976–May 1977 6-Month	4.11" (104.39mm)	7.93" (201.42mm)	-3.82" (-97.03mm)	4th Driest	Driest since: 1966	1966
Dec 1976–May 1977 6-Month	4.11" (104.39mm)	7.93" (201.42mm)	-3.82" (-97.03mm)	125th Wettest	Wettest since: 1976	1998
Nov 1976–May 1977 7-Month	4.32" (109.73mm)	9.24" (234.70mm)	-4.92" (-124.97mm)	2nd Driest	Driest since: 1924	1924
Nov 1976–May 1977 7-Month	4.32" (109.73mm)	9.24" (234.70mm)	-4.92" (-124.97mm)	127th Wettest	Wettest since: 1976	1998
Oct 1976–May 1977 8-Month	4.56" (115.82mm)	10.12" (257.05mm)	-5.56" (-141.23mm)	1st Driest	Driest to Date	1977
Oct 1976–May 1977 8-Month	4.56" (115.82mm)	10.12" (257.05mm)	-5.56" (-141.23mm)	128th Wettest	Wettest since: 1976	2011
Sep 1976–May 1977 9-Month	5.99" (152.15mm)	10.70" (271.78mm)	-4.71" (-119.63mm)	2nd Driest	Driest since: 1966	1966
Sep 1976–May 1977 9-Month	5.99" (152.15mm)	10.70" (271.78mm)	-4.71" (-119.63mm)	127th Wettest	Wettest since: 1976	1983
Aug 1976–May 1977 10-Month	7.56" (192.02mm)	11.08" (281.43mm)	-3.52" (-89.41mm)	13th Driest	Driest since: 1968	2013
Aug 1976–May 1977 10-Month	7.56" (192.02mm)	11.08" (281.43mm)	-3.52" (-89.41mm)	116th Wettest	Wettest since: 1976	1983
Jul 1976–May 1977 11-Month	8.66" (219.96mm)	11.44" (290.58mm)	-2.78" (-70.62mm)	20th Driest	Driest since: 1968	1954
Jul 1976–May 1977 11-Month	8.66" (219.96mm)	11.44" (290.58mm)	-2.78" (-70.62mm)	109th Wettest	Wettest since: 1976	1983
Jun 1976–May 1977 12-Month	9.53" (242.06mm)	12.56" (319.02mm)	-3.03" (-76.96mm)	15th Driest	Driest since: 1968	2013
Jun 1976–May 1977 12-Month	9.53" (242.06mm)	12.56" (319.02mm)	-3.03" (-76.96mm)	114th Wettest	Wettest since: 1976	1983
Dec 1975–May 1977 18-Month	15.34" (389.64mm)	20.48" (520.19mm)	-5.14" (-130.55mm)	7th Driest	Driest since: 1967	1934
	15.34" (389.64mm)	20.48" (520.19mm)	-5.14" (-130.55mm)	121st Wettest	Wettest since: 1976	1984
	Ties: 2008
Jun 1975–May 1977 24-Month	22.00" (558.80mm)	25.14" (638.56mm)	-3.14" (-79.76mm)	30th Driest	Driest since: 1968	1934
Jun 1975–May 1977 24-Month	22.00" (558.80mm)	25.14" (638.56mm)	-3.14" (-79.76mm)	98th Wettest	Wettest since: 1976	1984
Jun 1974–May 1977 36-Month	33.70" (855.98mm)	37.70" (957.58mm)	-4.00" (-101.60mm)	28th Driest	Driest since: 1968	1931
	33.70" (855.98mm)	37.70" (957.58mm)	-4.00" (-101.60mm)	99th Wettest	Wettest since: 1976	1984
	Ties: 1951
Jun 1973–May 1977 48-Month	45.86" (1,164.84mm)	50.18" (1,274.57mm)	-4.32" (-109.73mm)	29th Driest	Driest since: 1969	1934
Jun 1973–May 1977 48-Month	45.86" (1,164.84mm)	50.18" (1,274.57mm)	-4.32" (-109.73mm)	97th Wettest	Wettest since: 1976	1984
Jun 1972–May 1977 60-Month	57.91" (1,470.91mm)	62.66" (1,591.56mm)	-4.75" (-120.65mm)	30th Driest	Driest since: 1963	1934
Jun 1972–May 1977 60-Month	57.91" (1,470.91mm)	62.66" (1,591.56mm)	-4.75" (-120.65mm)	95th Wettest	Wettest since: 1976	1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings