condition mean min max 0 h after light 0.391942 0.260984 0.5229 4 h after light 0.132962 0.0 0.265924 8 h after light 0.3984995 0.0 0.796999 4 h after dark 0.25682649999999996 0.25632 0.257333 8 h after dark 0.25812 0.257037 0.259203 12 h after dark 0.130317 0.0 0.260634