condition mean min max 4 h after light 1.0307944999999998 0.928129 1.13346 8 h after light 0.8981295 0.697229 1.09903 12 h after light 0.939997 0.749664 1.13033 4 h after dark 1.2434349999999998 1.19017 1.2967 8 h after dark 0.9709035 0.858787 1.08302 12 h after dark 2.11144 1.84671 2.37617