condition mean min max 4 h after light 0.96973 0.79438 1.14508 8 h after light 0.9057435 0.635327 1.17616 12 h after light 0.9448585 0.435697 1.45402 4 h after dark 0.38050466666666666 0.0 0.853498 8 h after dark 0.0 0.0 0.0 12 h after dark 0.21548533333333333 0.0 0.405658