condition mean min max 3 h after light 0.053406666666666665 0.0 0.16022 6 h after light 0.1014689 0.0 0.205996 9 h after light 0.06662136666666667 0.0 0.104847 12 h after light 0.046738 0.0 0.186952 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0