condition mean min max 0 h after light 1.6580599999999999 1.51151 1.80461 4 h after light 1.182075 1.13927 1.22488 8 h after light 1.31738 1.18032 1.45444 4 h after dark 2.27123 1.93951 2.60295 8 h after dark 2.6728199999999998 2.56945 2.77619 12 h after dark 1.41909 1.21999 1.61819