condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0111643 0.0 0.0223286 12 h after light 0.0180864 0.0 0.0361728 4 h after dark 0.02418015 0.0 0.0483603 8 h after dark 0.053435449999999995 0.035834 0.0710369 12 h after dark 0.00990085 0.0 0.0198017