condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0592925 0.0 0.229041 10 h after light 0.046441333333333334 0.0 0.278648 14 h after light 0.13751633333333332 0.0 0.247346 18 h after light 0.065602 0.0 0.270879 2 h after dark 0.09077528333333333 0.0 0.200446