condition mean min max 0 h after light 5.816535 4.89794 6.73513 4 h after light 24.7163 22.6696 26.763 8 h after light 39.779300000000006 36.5489 43.0097 4 h after dark 25.3264 24.6886 25.9642 8 h after dark 17.4376 16.1165 18.7587 12 h after dark 9.212005 8.37041 10.0536