| Geyser | 1973-05-03 |
|---|---|
| Beehive | 0956 |
| Constant | 1800 |
| Grand | 0815, 1800 |
| Lion | 0937, 1059 |
| North Goggle | 0937 |
| Old Faithful | 0828 long, 0946 short, 1037 long, 1145 long, 1257 long, 1405 long, 1520 long, 1624 short, 1733 long |
| Values for Old Faithful Area | 1973-05-03 |
|---|---|
| Astronomical Twilight Begin | 04:13 |
| Nautical Twilight Begin | 04:58 |
| Civil Twilight Begin | 05:38 |
| Sunrise | 06:10 |
| Sunset | 20:29 |
| Civil Twilight End | 21:01 |
| Nautical Twilight End | 21:42 |
| Astronomical Twilight End | 22:26 |
| Moon Illumination | 0.2% |