condition mean min max 2 h after light 1.76673 1.61831 2.03342 6 h after light 1.0477509999999999 0.911173 1.28659 10 h after light 2.4817566666666666 1.98554 3.11167 2 h after dark 2.78313 2.73026 2.8442 6 h after dark 3.26274 2.61073 3.95361 10 h after dark 1.8824433333333332 1.37687 2.74875