condition mean min max 4 h after light 5.05851 4.35001 6.0797 8 h after light 1.6826256666666666 0.655217 2.72784 12 h after light 1.934762 0.944976 3.49447 4 h after dark 3.3829700000000003 1.87987 4.16884 8 h after dark 6.995340000000001 5.37105 8.16249 12 h after dark 8.571513333333334 7.38485 9.26729