condition mean min max 4 h after light 8.91502 8.24455 9.58549 8 h after light 5.886215 5.25401 6.51842 12 h after light 4.255990000000001 3.75882 4.75316 4 h after dark 5.628903333333334 5.45843 5.87347 8 h after dark 9.608086666666667 9.14466 10.5054 12 h after dark 11.2821 10.1958 12.6168