Point Arguello Light (CA)
Historical Light List Characteristics
| Year | Characteristic | Reference Number |
| Missing light lists prior to 1906 | ||
| 1906 | F W. W15.25. | LHB Light List (Dist. 12-13): 16 |
| Missing light lists for 1907-1910 | ||
| 1911 | F W. W15. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | ||
| 1914 | Fl(2) W 7.5s. W16. fl 0.2, ec 2, fl 0.2, ec 5.1. | USLHS Light List (Pacific): 23 |
| Missing light lists for 1915-1929 | ||
| 1930-1933 | Fl(2) W 10s. W16. fl 0.2, ec 2.3, fl 0.2, ec 7.3. | USLHS Light List (Pacific): 65 |
| Missing light lists for 1934-1944 | ||
| 1945 | Fl(2) W 60s. W17. fl 2, ec 6, fl 2, ec 50. | USCG Light List (Pacific): 188 |
| Missing light lists for 1946-1949 | ||
| 1950-1951 | Fl(2) W 60s. W17. fl 2, ec 6, fl 2, ec 50. | USCG Light List (Pacific): 188 |
| 1952-1960 | USCG Light List - Vol. I-V: 25 | |
| 1961-1962 | USCG Light List - Vol. III: 25 | |
| 1963-1966 | Fl(2) W 30s. W17. fl 1, ec 3, fl 1, ec 25. | |
| 1967 | Fl(2) W 30s. W17. fl 0.4, ec 3.6, fl 0.4, ec 25.6. | |
| 1968-1972 | Fl(2) W 30s. W17. fl 0.2, ec 3.8, fl 0.2, ec 25.8. | |
| 1973 | Fl(2) W 30s. W26. fl 0.2, ec 3.8, fl 0.2, ec 25.8. | |
| 1974 | Fl(2) W 30s. W24. fl 0.2, ec 3.8, fl 0.2, ec 25.8. | |
| 1975-1980 | USCG Light List - Vol. III: 30 | |
| 1981-1984 | Fl W 15s. W24. | |
| 1985 | USCG Light List - Vol. VI: 30 | |
| 1986 | USCG Light List - Vol. VI: 210 | |
| 1988 | ||
| 1990 | ||
| Missing light lists for 1991-2003 | ||
| 2004 | Fl W 15s. W9. | USCG Light List - Vol. VI: 210 |
Historical Light List Optics and Structures
| Year | Optic | Tower Height | Focal Plane | Description | Reference Number |
| Missing light lists prior to 1906 | |||||
| 1906 | 4th | 27 | 91 | Square tower, with black lantern, rising from fog signal building. | LHB Light List (Dist. 12-13): 16 |
| Missing light lists for 1907-1910 | |||||
| 1911 | 4th | NA | NA | White. Square, wooden tower rising from fog signal building. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | |||||
| 1914 | NA | 28 | 100 | Gray; square tower. | USLHS Light List (Pacific): 23 |
| Missing light lists for 1915-1929 | |||||
| 1930-1933 | 4 ei | 28 | 100 | White square tower. | USLHS Light List (Pacific): 65 |
| Missing light lists for 1934-1944 | |||||
| 1945 | Dl e | 48 | 124 | White skeleton tower. | USCG Light List (Pacific): 188 |
| Missing light lists for 1946-1949 | |||||
| 1950-1951 | Dl e | 48 | 124 | White skeleton tower. | USCG Light List (Pacific): 188 |
| 1952-1960 | NA | USCG Light List - Vol. I-V: 25 | |||
| 1961-1967 | USCG Light List - Vol. III: 25 | ||||
| 1968-1974 | White rectangular tower. | ||||
| 1975-1980 | USCG Light List - Vol. III: 30 | ||||
| 1981-1984 | 120 | ||||
| 1985 | USCG Light List - Vol. VI: 30 | ||||
| 1986 | On single pole. | USCG Light List - Vol. VI: 210 | |||
| 1988 | |||||
| 1990 | |||||
| Missing light lists for 1991-2003 | |||||
| 2004 | NA | 20 | 100 | On single post. | USCG Light List - Vol. VI: 210 |
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1901-Present |