condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.25183933333333336 0.0 0.755518 12 h after light 0.46346 0.0 1.39038 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.09628433333333335 0.0 0.288853