condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.10350636666666667 0.0 0.213573 12 h after light 0.16461066666666668 0.141431 0.205635 3 h after dark 0.05204 0.0 0.15612 6 h after dark 0.0 0.0 0.0 9 h after dark 0.079765 0.0 0.239295 12 h after dark 0.0 0.0 0.0