| Geyser | 1977-01-03 |
|---|---|
| Grand | 1245 ie |
| Old Faithful | 0816, 0912 long, 1045 long, 1202 short, 1252 long, 1417 long, 1531 long |
| Plume | 1010, 1037 |
| Values for Old Faithful Area | 1977-01-03 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:56 |
| Civil Twilight End | 17:29 |
| Nautical Twilight End | 18:05 |
| Astronomical Twilight End | 18:41 |
| Moon Illumination | 95.26% |