condition mean min max 2 h after light 0.5497066666666667 0.0 1.40216 6 h after light 0.0 0.0 0.0 10 h after light 0.16101216666666665 0.0 0.966073 14 h after light 0.0 0.0 0.0 18 h after light 0.084715 0.0 0.50829 2 h after dark 0.326831 0.0 0.889172