condition mean min max 4 h after light 0.564168 0.318232 0.721198 8 h after light 0.21644253333333333 0.0489696 0.451544 12 h after light 0.370986 0.11439 0.751254 4 h after dark 0.24554566666666666 0.16372 0.364679 8 h after dark 0.312079 0.060714 0.684132 12 h after dark 0.40807299999999996 0.19234 0.755284