condition mean min max 4 h after light 713.868369 663.161494 764.575244 8 h after light 712.0695284999999 579.013365 845.125692 12 h after light 804.0733419999999 733.630741 874.515943 4 h after dark 878.7995975 765.663594 991.935601 8 h after dark 731.5982935 698.001288 765.195299 12 h after dark 879.567357 879.567357 879.567357