| Geyser | 1973-01-16 |
|---|---|
| Castle | 1315 |
| Grand | 1130 ie |
| Old Faithful | 0848 short, 0942 long, 1053 long, 1206 short, 1303 long, 1414 short, 1526 long, 1634 short |
| Values for Old Faithful Area | 1973-01-16 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:55 |
| Sunset | 17:10 |
| Civil Twilight End | 17:43 |
| Nautical Twilight End | 18:19 |
| Astronomical Twilight End | 18:53 |
| Moon Illumination | 90.62% |