condition mean min max 4 h after light 59.63485 54.4992 64.7705 8 h after light 51.85155 50.9129 52.7902 12 h after light 54.10715 50.0453 58.169 4 h after dark 55.514399999999995 52.2551 58.7737 8 h after dark 60.72655 60.3287 61.1244 12 h after dark 61.6267 59.7229 63.5305