condition mean min max 0 h after light 5.991820000000001 4.66538 7.31826 4 h after light 2.367005 2.3614 2.37261 8 h after light 1.601575 1.55763 1.64552 4 h after dark 3.34037 2.61362 4.06712 8 h after dark 3.6186949999999998 3.56808 3.66931 12 h after dark 4.9063799999999995 3.89958 5.91318