condition mean min max 4 h after light 4.82764 4.7861199999999995 4.86653 8 h after light 4.78526 4.632 4.88434 12 h after light 4.820013333333333 4.64346 5.044969999999999 4 h after dark 4.7709866666666665 4.69349 4.8223 8 h after dark 4.71901 4.61862 4.78927 12 h after dark 4.767596666666667 4.62346 4.896730000000001