condition mean min max 4 h after light 1.1549200000000002 1.04498 1.26486 8 h after light 1.19787 1.17585 1.21989 12 h after light 2.7075649999999998 2.16235 3.25278 4 h after dark 5.999396666666667 4.37895 6.85153 8 h after dark 4.630376666666667 1.35354 8.59578 12 h after dark 2.9024633333333334 0.0 5.77786