condition mean min max 0 h after light 5.620945 5.03888 6.20301 4 h after light 7.166130000000001 6.98786 7.3444 8 h after light 4.612295 3.51525 5.70934 4 h after dark 4.39848 3.13329 5.66367 8 h after dark 7.855659999999999 7.47101 8.24031 12 h after dark 6.43834 6.37118 6.5055