| Geyser | 1976-02-01 |
|---|---|
| Beehive | 1159 |
| Castle | 1300 ie |
| Grand | 1500 ie |
| Lion | 1030, 1414, 1559 |
| Old Faithful | 1008 short, 1130 short, 1232 long, 1344 long, 1459 short, 1550 long, 1716 long |
| Values for Old Faithful Area | 1976-02-01 |
|---|---|
| Astronomical Twilight Begin | 06:02 |
| Nautical Twilight Begin | 06:36 |
| Civil Twilight Begin | 07:11 |
| Sunrise | 07:42 |
| Sunset | 17:31 |
| Civil Twilight End | 18:02 |
| Nautical Twilight End | 18:37 |
| Astronomical Twilight End | 19:11 |
| Moon Illumination | 1.08% |