| Geyser | 1973-02-23 |
|---|---|
| Beehive | 1242 |
| Grand | 1308 ie |
| North Goggle | 0944 |
| Old Faithful | 0858 short, 0950 long, 1057 long, 1215 long, 1323 long, 1426 long, 1541 short, 1651 long |
| Values for Old Faithful Area | 1973-02-23 |
|---|---|
| Astronomical Twilight Begin | 05:33 |
| Nautical Twilight Begin | 06:07 |
| Civil Twilight Begin | 06:40 |
| Sunrise | 07:10 |
| Sunset | 18:03 |
| Civil Twilight End | 18:32 |
| Nautical Twilight End | 19:06 |
| Astronomical Twilight End | 19:39 |
| Moon Illumination | 67.24% |