condition mean min max 4 h after light 450.8474415 314.385903 587.30898 8 h after light 601.0804755 481.490882 720.670069 12 h after light 446.662593 314.385903 578.939283 4 h after dark 292.781898 131.838727 453.725069 8 h after dark 218.639611 185.385903 251.893319 12 h after dark 188.30898 188.30898 188.30898