condition mean min max 2 h after light 0.9892650000000001 0.753211 1.47908 6 h after light 0.7272466666666666 0.545858 1.00806 10 h after light 0.2813995 0.11675 0.415675 14 h after light 0.3189091666666667 0.195949 0.432298 18 h after light 0.5204245000000001 0.381046 0.626696 2 h after dark 0.3801045 0.250955 0.489161