| Geyser | 1999-05-27 |
|---|---|
| Aurum | 2056 |
| Castle | 2307 |
| Daisy | 2218 |
| Giant Hot Period | 1020 A |
| Grand | 1427 E |
| Great Fountain | 0138 E, 1143 E, 2353 E |
| Grotto | 2107 ie |
| Lion | 1944, 2055 min |
| Old Faithful | 2057, 2223 ie, 2358 ie |
| Plume | 2036 |
| Tilt | 2310 |
| Values for Old Faithful Area | 1999-05-27 |
|---|---|
| Astronomical Twilight Begin | 03:28 |
| Nautical Twilight Begin | 04:24 |
| Civil Twilight Begin | 05:09 |
| Sunrise | 05:44 |
| Sunset | 20:56 |
| Civil Twilight End | 21:31 |
| Nautical Twilight End | 22:16 |
| Astronomical Twilight End | 23:12 |
| Moon Illumination | 91.88% |