Point Diablo (California)
Historical Light List Characteristics
| 1930-1933 | Fl W 10s. W12. fl 2. | USLHS Light List (Pacific): 96 |
| 1945 | USCG Light List (Pacific): 270 | |
| 1950-1951 | ||
| 1952-1958 | USCG Light List - Vol. I-V: 289 | |
| 1959-1960 | Fl W 10s. W15. fl 2. | |
| 1961-1963 | USCG Light List - Vol. III: 289 | |
| 1964 | USCG Light List - Vol. III: 641 | |
| 1965-1972 | Iso W 6s. W15. | |
| 1973-1974 | Iso W 6s. W13. | |
| 1975-1981 | USCG Light List - Vol. III: 567 | |
| 1982-1984 | Iso W 6s. W8. | |
| 1985 | USCG Light List - Vol. VI: 567 | |
| 1986 | Iso W 6s. W9. | USCG Light List - Vol. VI: 4250 |
| 1988 | ||
| 1990 | ||
| 2004 |
Historical Light List Optics and Structures
| 1930-1931 | Ll ei | N/A | 50 | White wooden house. | USLHS Light List (Pacific): 96 |
| 1932-1933 | 300 mm ei | ||||
| 1945 | 300 mm e | USCG Light List (Pacific): 270 | |||
| 1950-1951 | |||||
| 1952-1956 | N/A | White house. | USCG Light List - Vol. I-V: 289 | ||
| 1957-1960 | 85 | ||||
| 1961-1963 | USCG Light List - Vol. III: 289 | ||||
| 1964-1974 | USCG Light List - Vol. III: 641 | ||||
| 1975-1982 | USCG Light List - Vol. III: 567 | ||||
| 1983-1984 | White square house. | ||||
| 1985 | USCG Light List - Vol. VI: 567 | ||||
| 1986 | USCG Light List - Vol. VI: 4250 | ||||
| 1988 | |||||
| 1990 | |||||
| 2004 |
Historical Light List Audible Fog Signals
| 1930-1933 | SIREN, electric; gp. 2 blasts every 30 sec.: Blast 4 sec., silent 2 sec. blast 4 sec., silent 20 sec. | None | USLHS Light List (Pacific): 96 |
| 1945 | SIREN, electric; group of 2 blasts every 30 sec.; blast 4 sec., silent 2 sec. blast 4 sec., silent 20 sec. | USCG Light List (Pacific): 270 | |
| 1950-1951 | |||
| 1952-1960 | SIREN: gp of 2 blasts ev 30s (4sbl-2ssi-4sbl-20ssi). | USCG Light List - Vol. I-V: 289 | |
| 1961-1963 | USCG Light List - Vol. III: 289 | ||
| 1964-1966 | HORN, diaphragm; gp of 2 blasts ev 30s (4sbl-2ssi-4sbl-20ssi). | USCG Light List - Vol. III: 641 | |
| 1967-1972 | HORN, diaphragm; 1 blast ev 30s (3sbl). | ||
| 1973-1974 | HORN, 1 blast ev 30s (3sbl). | ||
| 1975 | USCG Light List - Vol. III: 567 | ||
| 1976-1980 | HORN: 1 blast ev 30s (3sbl). | ||
| 1981-1984 | HORN: 1 blast ev 30s (3s bl). | ||
| 1985 | USCG Light List - Vol. VI: 567 | ||
| 1986 | HORN: 1 blast ev 15s (2s bl). | USCG Light List - Vol. VI: 4250 | |
| 1988 | |||
| 1990 | HORN: 1 blast ev 15s (2s bl). Operates continuously. | ||
| 2004 | HORN: 1 blast ev 15s (2s bl). Operates continuously. |
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1923 - Present |