condition mean min max 0 h after light 4.186705 3.75436 4.61905 2 h after light 3.369675 2.70967 4.02968 4 h after light 4.16576 3.15441 5.17711 8 h after light 5.11091 3.60031 6.62151 12 h after light 4.9611350000000005 4.59166 5.33061 2 h after dark 7.191934999999999 6.34993 8.03394 4 h after dark 6.545985 5.61737 7.4746 8 h after dark 6.619995 4.22279 9.0172 12 h after dark 6.050425000000001 5.23071 6.87014