Patos Island Light (WA)
Historical Light List Characteristics
| Year | Characteristic | Reference Number |
| Missing light lists prior to 1894 | ||
| 1894 | F R. | LHB Light List (Dist. 12-13): 1012 |
| 1895 | LHB Light List (Dist. 12-13): 1031 | |
| 1896 | LHB Light List (Dist. 12-13): 1142 | |
| Missing light lists for 1897-1899 | ||
| 1900 | F R. | LHB Light List (Dist. 12-13): 190 |
| Missing light lists for 1901-1905 | ||
| 1906 | F R. | LHB Light List (Dist. 12-13): 241 |
| Missing light lists for 1907-1910 | ||
| 1911 | Fl W 5s. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | ||
| 1914 | Fl W 5s. W12. fl 1. | USLHS Light List (Pacific): 447 |
| Missing light lists for 1915-1929 | ||
| 1930-1933 | Fl W 5s. W13. fl 1. | USLHS Light List (Pacific): 911 |
| Missing light lists for 1934-1944 | ||
| 1945 | Fl W 5s. W13. fl 1. | USCG Light List (Pacific): 1801 |
| Missing light lists for 1946-1949 | ||
| 1950-1951 | Fl W 5s. W13. fl 1. | USCG Light List (Pacific): 1801 |
| 1952-1960 | USCG Light List - Vol. I-V: 1976 | |
| 1961-1963 | Fl W 5s. W13. fl 0.2. | USCG Light List - Vol. III: 1976 |
| 1964-1970 | Fl W 5s. W13. | USCG Light List - Vol. III: 2528 |
| 1971 | Fl W 5s. W12. | |
| 1972 | Fl WR 5s. W12, R12. R013°-060°(47°), W060°-098.5°(38.5°), R098.5°-113.5°(15°), W113.5°-013°(259.5°). | |
| 1973-1974 | Fl WR 5s. W15, R12. R013°-060°(47°), W060°-098.5°(38.5°), R098.5°-113.5°(15°), W113.5°-013°(259.5°). | |
| 1975-1979 | Fl WR 5s. W14, R12. R013°-060°(47°), W060°-098.5°(38.5°), R098.5°-113.5°(15°), W113.5°-013°(259.5°). | USCG Light List - Vol. III: 2623 |
| 1980-1984 | Fl WR 6s. W9, R6. R013°-060°(47°), W060°-098.5°(38.5°), R098.5°-113.5°(15°), W113.5°-013°(259.5°). | |
| 1985 | USCG Light List - Vol. VI: 2623 | |
| 1986 | USCG Light List - Vol. VI: 19825 | |
| 1988 | ||
| 1990 | ||
| Missing light lists for 1991-2003 | ||
| 2004 | Fl WR 6s. W9, R6. R011.5°-059.5°(48°), W059.5°-097°(37.5°), R097°-114°(17°), W114°-011.5°(257.5°). | USCG Light List - Vol. VI: 19825 |
Historical Light List Optics and Structures
| Year | Optic | Tower Height | Focal Plane | Description | Reference Number |
| Missing light lists prior to 1894 | |||||
| 1894 | Lens Lantern | 10 | 30 | Lantern on a white stake. | LHB Light List (Dist. 12-13): 1012 |
| 1895 | LHB Light List (Dist. 12-13): 1031 | ||||
| 1896 | LHB Light List (Dist. 12-13): 1142 | ||||
| Missing light lists for 1897-1899 | |||||
| 1900 | Lens Lantern | 10 | 28 | Lantern on a white stake. | LHB Light List (Dist. 12-13): 190 |
| Missing light lists for 1901-1905 | |||||
| 1906 | Lens Lantern | 10 | 28 | Lantern on a white stake. | LHB Light List (Dist. 12-13): 241 |
| Missing light lists for 1907-1910 | |||||
| 1911 | 4th | NA | NA | White. Square tower; on roof of fog signal building. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | |||||
| 1914 | NA | 33 | 50 | White; square frame tower on fog signal house. | USLHS Light List (Pacific): 447 |
| Missing light lists for 1915-1929 | |||||
| 1930-1933 | 4 iov | 38 | 52 | White square frame tower on fog signal house. | USLHS Light List (Pacific): 911 |
| Missing light lists for 1934-1944 | |||||
| 1945 | 4 e | 38 | 52 | White square frame tower on fog signal house. | USCG Light List (Pacific): 1801 |
| Missing light lists for 1946-1949 | |||||
| 1950-1951 | 4 e | 38 | 52 | White square frame tower on fog signal house. | USCG Light List (Pacific): 1801 |
| 1952-1960 | NA | White square tower on fog signal house. | USCG Light List - Vol. I-V: 1976 | ||
| 1961-1963 | USCG Light List - Vol. III: 1976 | ||||
| 1964-1974 | USCG Light List - Vol. III: 2528 | ||||
| 1975-1984 | USCG Light List - Vol. III: 2623 | ||||
| 1985 | USCG Light List - Vol. VI: 2623 | ||||
| 1986 | USCG Light List - Vol. VI: 19825 | ||||
| 1988 | |||||
| 1990 | |||||
| Missing light lists for 1991-2003 | |||||
| 2004 | NA | 38 | 52 | White square tower on fog signal house. | USCG Light List - Vol. VI: 19825 |
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1893-Present (Assumed the original 1893 lighthouse was located at the position of the current 1908 lighthouse.) |