condition mean min max 3 h after light 1.2763806666666666 0.462382 1.71013 6 h after light 0.45468733333333333 0.229759 0.727629 9 h after light 1.1002036666666666 0.573328 2.12004 12 h after light 2.499745 0.460015 5.64712 3 h after dark 0.915682 0.780023 1.11759 6 h after dark 0.7168110000000001 0.267777 0.994782 9 h after dark 8.797793333333333 0.0 24.3709 12 h after dark 0.707686 0.219431 0.967395