| Geyser | 1965-07-23 |
|---|---|
| Echinus | 0730, 0831, 0925, 1028, 1142, 1243, 1344, 1448, 1550, 1656 |
| Ledge | 0000 A |
| Little Whirligig | 0934 ns |
| Steamboat | 1800 |
| Values for Old Faithful Area | 1965-07-23 |
|---|---|
| Astronomical Twilight Begin | 03:50 |
| Nautical Twilight Begin | 04:42 |
| Civil Twilight Begin | 05:26 |
| Sunrise | 06:00 |
| Sunset | 20:58 |
| Civil Twilight End | 21:33 |
| Nautical Twilight End | 22:17 |
| Astronomical Twilight End | 23:09 |
| Moon Illumination | 34.26% |