condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04881725 0.0 0.0976345 12 h after light 0.0596215 0.0 0.119243 4 h after dark 0.1042235 0.0 0.208447 8 h after dark 0.10399900000000001 0.103539 0.104459 12 h after dark 0.09471204999999999 0.0865851 0.102839