condition mean min max 4 h after light 0.4247455 0.255936 0.593555 8 h after light 0.461044 0.354904 0.567184 12 h after light 0.5054505 0.420066 0.590835 4 h after dark 1.1772676666666666 0.917393 1.47087 8 h after dark 1.1209216666666666 0.889275 1.38509 12 h after dark 0.285991 0.0 0.552613