condition mean min max 0 h after light 0.973529 0.568608 1.37845 4 h after light 14.115514999999998 8.15443 20.0766 8 h after light 6.198824999999999 5.13416 7.26349 4 h after dark 1.47704 1.03527 1.91881 8 h after dark 2.8467599999999997 2.81861 2.87491 12 h after dark 1.7910955 0.809761 2.77243