| Geyser | 1976-01-30 |
|---|---|
| Beehive | 1332 |
| Castle | 1120 |
| Grand | 1026 ie |
| Old Faithful | 0910 short, 1007 long, 1118 long, 1230 short, 1335 long, 1455 long, 1606 long |
| Values for Old Faithful Area | 1976-01-30 |
|---|---|
| Astronomical Twilight Begin | 06:04 |
| Nautical Twilight Begin | 06:38 |
| Civil Twilight Begin | 07:13 |
| Sunrise | 07:44 |
| Sunset | 17:28 |
| Civil Twilight End | 17:59 |
| Nautical Twilight End | 18:34 |
| Astronomical Twilight End | 19:08 |
| Moon Illumination | 0.97% |