condition mean min max 3 h after light 0.11482966666666666 0.0 0.344489 6 h after light 0.0 0.0 0.0 9 h after light 0.03559566666666667 0.0 0.106787 12 h after light 0.096065 0.0 0.146766 3 h after dark 0.05204 0.0 0.15612 6 h after dark 0.03705733333333334 0.0 0.111172 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0