condition mean min max 2 h after light 0.008138366666666666 0.0 0.0488302 6 h after light 0.0121642 0.0 0.0729852 10 h after light 0.006209449999999999 0.0 0.0372567 14 h after light 0.0 0.0 0.0 18 h after light 0.006771383333333333 0.0 0.0406283 2 h after dark 0.01184545 0.0 0.0710727