| Geyser | 1974-12-02 |
|---|---|
| Beehive | 1059 |
| Grand | 1111 |
| Old Faithful | 1041 short, 1132 long |
| Values for Old Faithful Area | 1974-12-02 |
|---|---|
| Astronomical Twilight Begin | 05:56 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:07 |
| Sunrise | 07:40 |
| Sunset | 16:44 |
| Civil Twilight End | 17:17 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 90.95% |