condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06083366666666667 0.0 0.182501 12 h after light 0.031761000000000005 0.0 0.095283 4 h after dark 0.0 0.0 0.0 8 h after dark 0.22442753333333332 0.0 0.606653 12 h after dark 0.055358 0.0 0.166074