condition mean min max 4 h after light 239.057595 225.036979 253.078211 8 h after light 234.9136995 222.133804 247.693595 12 h after light 235.682478 218.825207 252.539749 4 h after dark 322.4913795 243.540785 401.441974 8 h after dark 324.74366599999996 293.840755 355.646577 12 h after dark 317.991734 317.991734 317.991734