condition mean min max 4 h after light 1.3067769999999999 0.818261 1.86581 8 h after light 1.0815866666666667 0.39573 1.54806 12 h after light 1.733791 0.855643 2.18363 4 h after dark 2.2736633333333334 2.18544 2.32022 8 h after dark 2.74222 1.54665 3.86999 12 h after dark 1.308334 0.369912 1.97824