condition mean min max 4 h after light 153.5003425 150.445692 156.554993 8 h after light 159.232982 139.618523 178.847441 12 h after light 212.275513 203.8283 220.722726 4 h after dark 190.155058 183.330405 196.979711 8 h after dark 213.320435 203.280911 223.359959 12 h after dark 179.563827 179.563827 179.563827