| Geyser | 1972-01-19 |
|---|---|
| Old Faithful | 1037 short, 1258 short, 1344 short, 1502 short, 1603 long |
| Values for Old Faithful Area | 1972-01-19 |
|---|---|
| Astronomical Twilight Begin | 06:11 |
| Nautical Twilight Begin | 06:46 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:54 |
| Sunset | 17:13 |
| Civil Twilight End | 17:45 |
| Nautical Twilight End | 18:21 |
| Astronomical Twilight End | 18:56 |
| Moon Illumination | 9.65% |