& Grants Pass(1893-present). Mean of cold days, mean temp, cold
high, and cold low. First day of cold spell in Bellingham and
last day of cold spell in Portland or Bellingham.
1888 Jan 01-23. Estimated from Portland records & old 500 heights maps.
1887 Jan 29 - Feb 14. Estimated from Portland records & old 500 heights maps.
1972 Dec 02-16. 7 days/25.4F mean temp/CHM: 25 CLM: 7
5th-12th 37.85 score.
1990 Dec 18-25. 5.5 days/25.9F mean temp/CHM: 21 CLM: 8
20th-26th 36.60 score.
1889 Dec 30 - 1890 Jan 13. Estimated from Portland records & old 500 heights maps.
1932 Dec 06-16. 5.5 days/26.6F mean temp/CHM: 27 CLM: 9
8th-15th 34.15 score.
1930 Jan 02-29. 6.5 days/27.0F mean temp/CHM: 31 CLM: 8
7th-15th 34.00 score.
1998 Dec 19-24. 4 days/26.9F mean temp/CHM: 29 CLM: 13
20th-24th 30.85 score.
1962 Jan 16-23. 5.5 days/30.6F mean temp/CHM: 28 CLM: 9
17th-24th 29.90 score.
1949 Jan 07-15. 4 days/27.2F mean temp/CHM: 34 CLM: 12
9th-13th 29.55 score.
1989 Feb 03-06. 4 days/28.0F mean temp/CHM: 31 CLM: 13
2nd-6th 29.25 score.
1950 Jan 23 - Feb 05. 3.5 days/28.2F mean temp/CHM: 33 CLM: 12
29th-3rd 28.30 score.
2013 Dec 04-11. 5.5 days/30.0F mean temp/CHM: 32 CLM: 15
4th-12th 28.00 score.
1919 Dec 08-16. 3.5 days/29.1F mean temp/CHM: 34 CLM: 10
12th-16th 27.65 score.
1957 Jan 17-30. 5 days/29.4F mean temp/CHM: 33 CL: 16
25th-30th 27.60 score.
1936 Dec 29 - 1937 Jan 24. 7.5 days/33.6F mean temp/CHM: 31 CL: 13
1st-21st 27.15 score.
1913 Jan 04-07. 2 days/26.3F mean temp/CHM: 36 CLM: 16
5th-6th 26.95 score.
1983 Dec 17-29. 2.5 days/28.2F mean temp/CHM: 29 CLM: 19
22nd-24th 26.55 score.
2009 Dec 06-14. 4 days/30.0F mean temp/CHM: 34 CLM: 16
7th-12th 25.75 score.
1978 Dec 25 - 1979 Jan 12. 3.5 days/29.4F mean temp/CHM: 35 CLM: 16
29th-1st 25.60 score.
1924 Dec 15-28. 4 days/30.9F mean temp/CHM: 35 CLM: 12
16th-23rd 25.60 score.
Langlois, OR(couple miles south of North Bend)
1899 Jan 31- Feb 08. 4 days/31.1F mean temp/CHM: 34 CLM: 13
2nd-7th 25.40 score.
1914 Dec 13-24. 5 days/32.8F mean temp/CHM: 36 CLM: 14
14th-24th 23.95 score.
1923 Dec 30 - 1924 Jan 08. 3.5 day/30.9F mean temp/CHM: 33 CLM: 19
29th-2nd 23.85 score.
1990 Dec 28 - 1991 Jan 06. 4.5 days/31.7F mean temp/CHM: 36 CLM: 17
29th-6th 23.80 score.
1974 Jan 01-12. 5 day/31.9F mean temp/CHM: 37 CLM: 18
2nd-11th 23.60 score.
1956 Feb 14-17. 1 day/28.2F mean temp/CHM: 38 CLM: 18
16th 23.05 score.
1918 Dec 31 - 1919 Jan 05. 6.5 day/34.3F mean temp/CHM: 37 CLM: 17
25th-9th 22.95 score.
1909 Dec 31 - 1910 Jan 08. 2.5 days/30.1F mean temp/CHM: 40 CLM: 16
2nd-5th 22.65 score.
1980 Jan 26 - Feb 01. 2.5 days/30.9F mean temp/CHM: 38 CLM: 16
27th-30th 22.35 score.
1890 Feb 23 - Mar 01. Estimated from Portland records & old 500 heights maps.
1943 Jan 15-27. 2 days/30.8F mean temp/CHM: 37 CLM: 16
17th-19th 22.20 score. Little Snow SW OR & Coast
1916 Jan 23 - Feb 09. 1.5 days/30.0F mean temp/CHM: 37 CLM: 18
28th-30th 22.00 score. SW OR & Coastal Snow.
1909 Jan 04-15. 2 days/31.0F mean temp/CHM: 33 CLM: 20
8th-12th 22.00 score.
1902 Jan 23-31. 3.5 days/31.3F mean temp/CHM: 39 CLM: 20
25th-29th 21.70 score.
1949 Jan 18 - Feb 07. 4.5 day/35.1F mean temp/CHM: 37 CLM: 13
19th-7th 21.15 score.
1969 Jan 15-31. 3.5 days/32.3F mean temp/CHM: 34 CLM: 24
23rd-29th 20.95 score.
1909 Dec 22-25. 1.5 days/30.3F mean temp/CHM: 38 CLM: 20
22nd-23rd 20.95 score.
1955 Nov 11-18. 1.5 day/30.6F mean temp/CHM: 37 CLM: 21
14th-15th 20.65 score.
1922 Jan 13-20. 2 days/32.7F mean temp/CHM: 37 CLM: 15
18th-21st 20.55 score.
2007 Jan 10-17. 3 days/32.5F mean temp/CHM: 35 CLM: 22
12th-17th 20.50 score.
1917 Jan 29 - Feb 02. 1.5 days/30.6F mean temp/CHM: 38 CLM: 21
31st-1st 20.40 score.
1927 01 18-25. 1 day/30.2F mean temp/CHM: 43 CLM: 17
22nd 20.05 score.
1919 Nov 27-28. 1.5 day/31.2F mean temp/CHM: 39 CLM: 19
27th-28th 20.05 score.
1903 Feb 02. 0.5 days/30.2F mean temp/CHM: 43 CLM: 17
2nd 19.55 score. Quite Cold in Eastern WA & Columbia Basin.
1906 Dec 30 - 1907 Jan 18. 2 days/31.6F mean temp/CHM: 37 CLM: 24
13th-15th 19.40 score.
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Rest of mean temps above freezing
2017 Jan 02-17. 1.5 days/33.5F mean temp/CHM: 37 CLM: 21
3rd-7th 19.25 score.
1907 Jan 10-18. 2.5 days/32.6F mean temp/CHM: 37 CLM: 24
12th-15th 18.90 score.
1911 Dec 29 - 1912 Jan 09. 1 day/32.2F mean temp/CHM: 36 CLM: 22
2nd-4th 18.55 score.
1949 Dec 31 - 1950 Jan 20. 3 days/35.5F mean temp/CHM: 34 CLM: 19
2nd-15th 18.50 score.
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Rest of cold episodes length less than 3 days
2008 Dec 14-25. 1 day/32.8F mean temp/CHM: 33 CLM: 23
15th-18th 18.45 score.
1923 Jan 28 - Feb 03. 2 days/33.4F mean temp/CHM: 38 CLM: 21
28th-31st 18.10 score. South Valley Snowfall.
1941 Dec 26 - 1942 Jan 13. 2 days/34.2F mean temp/CHM: 37 CLM: 19
31st-5th 18.05 score.
1894 Jan 04-06. 1 day/32.3F mean temp/CHM: 38 CLM: 22
5th-6th 17.95 score.
1911 Jan 09-15. 1.5 days/32.9F mean temp/CHM: 39 CLM: 21
12th-14th 17.85 score.
1896 Nov 25-Dec 02. 1.5 days/33.8F mean temp/CHM: 44 CLM: 20
27th-29th 16.95 score.
1945 Dec 12-21. 1.5 days/34.0F mean temp/CHM: 37 CLM: 23
13th-15th 16.75 score.
1935 Jan 12-21. 1 day/32.9F mean temp/CHM: 37 CLM: 26
18th-20th 16.60 score. SW OR Snow
1915 Dec 30 - 1916 Jan 20. 2 days/34.4F mean temp/CHM: 38 CLM: 23
14th-19th 16.60 score.
1972 Jan 23 - Feb 05. 1 day/32.5F mean temp/CHM: 35 CLM: 29
26th 16.50 score.
1909 Dec 03-07. 1 day/33.0F mean temp/CHM: 39 CLM: 24
3rd-4th 16.50 score.
1893 Jan 26 - Feb 08. 2.5 days/36.0F mean temp/CHM: 39 CLM: 18
1st-7th 16.50 score.
1905 Jan 11-14 1 day/33.5F mean temp/CHM: 41 CLM: 22
11th-12th 16.00 score.
1908 Dec 16-22. 1.5 days/33.8F mean temp/CHM: 42 CLM: 22
18th-20th 15.95 score.
2005 Dec 14-18. 1.5 days/33.9F mean temp/CHM: 37 CLM: 27
15th-17th 15.85 score.
1946 Dec 28 - 1947 Jan 08. 2 days/34.7F mean temp/CHM: 41 CLM: 22
2nd-5th 15.80 score.
1900 Dec 31 - 1901 Jan 01. 1 day/33.3F mean temp/CHM: 42 CLM: 23
31st-1st 15.70 score.
1901 Jan 08-10. 0.5 days/33.7F mean temp/CHM: 35 CLM: 27
8th-10th 15.55 score. Coast & far south valley snow.
1929 Jan 19 - Feb 15. 0.5 days/33.0F mean temp/CHM: 45 CLM: 20
7th 15.50 score.
1926 Dec 12-15. 0.5 days/33.0F mean temp/CHM: 42 CLM: 23
14th 15.50 score.
1901 Dec 12-13. 1 day/33.5F mean temp/CHM: 43 CLM: 22
12th-13th 15.50 score.
1916 Dec 24-30. 1.5 days/34.3F mean temp/CHM: 39 CLM: 25
27th-30th 15.45 score.
1907 Jan 06-07. 1 day/33.6F mean temp/CHM: 40 CLM: 25
6th-7th 15.40 score.
1895 Jan 26. 0.5 days/33.0F mean temp/CHM: 40 CLM: 26
26th 15.25 score.
1933 Jan 16-21. 1 day/35.4F mean temp/CHM: 39 CLM: 21
17th-21st 14.85 score. SW OR Snow
1947 Jan 12-18. 2 days/34.8F mean temp/CHM: 43 CLM: 24
15th-18th 14.70 score.
1894 Feb 18-23. 0.5 days/33.5F mean temp/CHM: 43 CLM: 24
21st 14.50 score.
1932 Jan 12-17. 1 day/34.8F mean temp/CHM: 39 CLM: 25
12th-14th 14.45 score.
1898 Jan 24-25. 1 day/35.0F mean temp/CHM: 43 CLM: 23
24th-25th 13.75 score.
1894 Feb 10-11. 0.5 days/34.2F mean temp/CHM: 45 CLM: 23
10th 13.55 score.
1932 Jan 27 - Feb 04. 0.5 days/35.5F mean temp/CHM: 39 CLM: 26
31st-2nd 13.00 score. SW OR Snow.
1921 Dec 17-25. 0.5 days/35.5F mean temp/CHM: 38 CLM: 27
18th-22nd 13.00 score. SW OR snow.
1923 Feb 09-16. 0.5 days/34.7F mean temp/CHM: 42 CLM: 27
12th 12.80 score. SW OR Snowfall.
2016 Dec 13-19. 1 day/35.5F mean temp/CHM: 41 CLM: 27
18th-19th 12.75 score.
1939 Feb 07-11. 0 days/35.2F mean temp/CHM: 39 CLM: 28
7th-8th 12.30 score. SW OR and Coast Snow.
1896 Feb 29 - Mar 04. 0 days/35.2F mean temp/CHM: 42 CLM: 27
1st-4th 11.80 score. Coast and far south valley snow.
1900 Nov 19-22. 0 days/35.5F mean temp/CHM: 40 CLM: 28
19th-21st 11.75 score. South Coast snow.
1917 Feb 19 - Mar 01. 0 days/36.7F mean temp/CHM: 38 CLM: 27
20th-25th 11.70 score. SW OR & Coastal Snow.
1933 Feb 06-15. 1 day/37.5F mean temp/CHM: 42 CLM: 23
9th-13th 11.50 score.
1922 Dec 05-19. 0.5 days/35.5F mean temp/CHM: 45 CLM: 26
14th 11.50 score.
1898 Dec 30-31. 0.5 days/35.5F mean temp/CHM: 45 CLM: 26
30th 11.50 score. Far south valley snow.
1913 Jan 16-19. 0 days/36.0F mean temp/CHM: 39 CLM: 29
16th-17th 11.25 score. SW Oregon Snow.
1906 Mar 12-16. 0 days/35.8F mean temp/CHM: 42 CLM: 27
13th-14th 11.20 score. South coast evening & overnight snow.
1931 Dec 11-16. 0.5 days/37.2F mean temp/CHM: 39 CLM: 29
11th-15th 10.55 score. SW OR Snow
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