condition mean min max 4 h after light 0.94543 0.87557 1.01529 8 h after light 4.670175 4.37969 4.96066 12 h after light 6.245139999999999 6.14347 6.34681 4 h after dark 5.559003333333333 5.51116 5.59111 8 h after dark 2.74634 1.96328 4.14616 12 h after dark 1.5526366666666667 1.37063 1.88038