condition mean min max 0 h after light 0.27774515 0.0924443 0.463046 4 h after light 0.3691535 0.282582 0.455725 8 h after light 0.23393524999999998 0.0914595 0.376411 4 h after dark 0.272735 0.182302 0.363168 8 h after dark 0.36533550000000004 0.27544 0.455231 12 h after dark 0.501728 0.461601 0.541855