| Geyser | 1975-12-13 |
|---|---|
| Beehive | 1612 |
| Beehive's Indicator | 1558 |
| Depression | 1012, 1451 |
| North Goggle | 1255 |
| Old Faithful | 0901, 1005 long, 1113 long, 1233 long, 1340 short, 1430 long, 1545 |
| Other Geyser | 0000-2359 |
| Values for Old Faithful Area | 1975-12-13 |
|---|---|
| Astronomical Twilight Begin | 06:05 |
| Nautical Twilight Begin | 06:41 |
| Civil Twilight Begin | 07:17 |
| Sunrise | 07:50 |
| Sunset | 16:43 |
| Civil Twilight End | 17:17 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:29 |
| Moon Illumination | 74.18% |