condition mean min max 4 h after light 7.633133333333333 1.26985 12.7724 8 h after light 5.333323999999999 0.997722 8.59001 12 h after light 7.594216666666666 4.18632 13.1993 4 h after dark 14.243706666666666 8.64722 17.1972 8 h after dark 11.87637 5.23491 16.8565 12 h after dark 12.268799999999999 8.13398 20.1482