condition mean min max 0 h after light 55.142399999999995 52.9499 57.3349 2 h after light 12.908055000000001 8.28571 17.5304 4 h after light 12.60745 12.4096 12.8053 8 h after light 12.986 12.2139 13.7581 12 h after light 16.142400000000002 16.0589 16.2259 2 h after dark 34.385149999999996 33.9014 34.8689 4 h after dark 44.678 42.2533 47.1027 8 h after dark 51.615449999999996 50.9777 52.2532 12 h after dark 48.159 47.1973 49.1207