condition mean min max 0 h after light 0.2096895 0.176763 0.242616 4 h after light 0.37622900000000004 0.347936 0.404522 8 h after light 0.21013749999999998 0.202065 0.21821 4 h after dark 0.325869 0.173295 0.478443 8 h after dark 0.218048 0.197149 0.238947 12 h after dark 0.3253585 0.198238 0.452479