condition mean min max 3 h after light 0.195165 0.135587 0.251965 6 h after light 0.3545825 0.0832805 0.806142 9 h after light 0.3838913333333333 0.0 0.588813 12 h after light 0.2074152 0.0923698 0.332565 3 h after dark 0.7243116666666667 0.50956 1.15379 6 h after dark 0.2914829 0.0880457 0.583311 9 h after dark 0.155706 0.131748 0.18563 12 h after dark 0.168342 0.100927 0.235757