condition mean min max 4 h after light 4.7263649999999995 4.25119 5.20154 8 h after light 2.7748600000000003 1.82531 3.72441 12 h after light 4.4041049999999995 4.06292 4.74529 4 h after dark 5.38853 4.87076 5.7402 8 h after dark 3.583833333333333 3.05241 3.91951 12 h after dark 4.536736666666667 3.28137 6.04194