condition mean min max 0 h after light 47.479299999999995 46.2662 48.6924 2 h after light 49.5001 49.466 49.5342 4 h after light 47.46565 46.3853 48.546 8 h after light 43.935500000000005 38.2459 49.6251 12 h after light 60.43615 56.9403 63.932 2 h after dark 67.5073 60.644 74.3706 4 h after dark 68.55475 64.5968 72.5127 8 h after dark 66.3361 62.7341 69.9381 12 h after dark 49.7899 48.5793 51.0005