condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.018830633333333333 0.0 0.0564919 12 h after light 0.012376400000000001 0.0 0.0371292 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0