condition mean min max 0 h after light 53.444500000000005 51.3543 55.5347 4 h after light 55.4337 53.8158 57.0516 8 h after light 48.4958 47.0433 49.9483 4 h after dark 61.541 55.305 67.777 8 h after dark 48.5982 45.8977 51.2987 12 h after dark 58.8439 55.848 61.8398