| Geyser | 1973-02-16 |
|---|---|
| Beehive | 0950 |
| Castle | 1220 |
| Old Faithful | 0936 long, 1053 long, 1156 short, 1244 long, 1409 short, 1444 long, 1606 short, 1650 long |
| Values for Old Faithful Area | 1973-02-16 |
|---|---|
| Astronomical Twilight Begin | 05:43 |
| Nautical Twilight Begin | 06:17 |
| Civil Twilight Begin | 06:51 |
| Sunrise | 07:21 |
| Sunset | 17:53 |
| Civil Twilight End | 18:23 |
| Nautical Twilight End | 18:57 |
| Astronomical Twilight End | 19:30 |
| Moon Illumination | 98.42% |