| Geyser | 1999-06-02 |
|---|---|
| Blue Mud Steam Vent | 1200 |
| Constant | 1022 |
| Echinus | 1310, 1425 |
| Grand | 0117 E, 1457 E |
| Great Fountain | 0658 E, 2028 E |
| Moxie | 1800 |
| Orby | 1200 |
| Yellow Funnel Spring | 1200 |
| Values for Old Faithful Area | 1999-06-02 |
|---|---|
| Astronomical Twilight Begin | 03:20 |
| Nautical Twilight Begin | 04:18 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:41 |
| Sunset | 21:01 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:23 |
| Astronomical Twilight End | 23:22 |
| Moon Illumination | 92.1% |