| Geyser | 1973-02-05 |
|---|---|
| Old Faithful | 0832 short, 0917 long, 1032 short, 1115 long, 1223 short, 1323 short, 1417 long, 1541 short, 1652 long |
| Values for Old Faithful Area | 1973-02-05 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:06 |
| Sunrise | 07:36 |
| Sunset | 17:38 |
| Civil Twilight End | 18:08 |
| Nautical Twilight End | 18:43 |
| Astronomical Twilight End | 19:17 |
| Moon Illumination | 3.92% |