| Geyser | 1964-08-02 |
|---|---|
| Bear Den | 1104 |
| Ebony | 1104 min, 1415 maj |
| Echinus | 0732, 0838, 0945, 1057, 1208, 1312, 1425, 1535, 1650, 1808 |
| Minute | 1435 |
| Pinwheel | 1453, 1748 |
| Valentine | 1510 |
| Values for Old Faithful Area | 1964-08-02 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 03:57 |
| Civil Twilight Begin | 04:38 |
| Sunrise | 05:11 |
| Sunset | 19:47 |
| Civil Twilight End | 20:20 |
| Nautical Twilight End | 21:01 |
| Astronomical Twilight End | 21:49 |
| Moon Illumination | 37.26% |