| Geyser | 1998-03-27 |
|---|---|
| Artemisia | 1403 ie |
| Depression | 1721 ie |
| Giant Hot Period | 0000 A, 1500 A |
| Grand | 1625 ns |
| Grotto | 1704 |
| Grotto Fountain | 1702 |
| Riverside | 1706 |
| Values for Old Faithful Area | 1998-03-27 |
|---|---|
| Astronomical Twilight Begin | 04:33 |
| Nautical Twilight Begin | 05:09 |
| Civil Twilight Begin | 05:43 |
| Sunrise | 06:13 |
| Sunset | 18:44 |
| Civil Twilight End | 19:13 |
| Nautical Twilight End | 19:47 |
| Astronomical Twilight End | 20:23 |
| Moon Illumination | 1.08% |