condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0602725 0.0 0.126883 3 h after dark 0.046663666666666666 0.0 0.139991 6 h after dark 0.0 0.0 0.0 9 h after dark 0.03428166666666667 0.0 0.102845 12 h after dark 0.0 0.0 0.0