condition mean min max 4 h after light 0.6554526333333333 0.0424739 1.60428 8 h after light 2.832385 0.364035 5.67159 12 h after light 1.9652433333333335 1.26927 2.36669 4 h after dark 2.3653 1.33341 2.95752 8 h after dark 1.6353250000000001 0.451475 3.19754 12 h after dark 2.2958266666666667 1.7074 2.74792