condition mean min max 3 h after light 52.93011666666667 41.9889 61.8357 7 h after light 47.642966666666666 40.4087 56.6577 11 h after light 54.052775 42.5416 71.5343 2 h after dark 54.7025 44.7883 67.1709 6 h after dark 53.358025 41.5195 69.1203 10 h after dark 53.181841666666664 41.5722 70.3796