condition mean min max 4 h after light 0.0269512 0.0 0.0539024 8 h after light 0.01962195 0.0 0.0392439 12 h after light 0.0 0.0 0.0 4 h after dark 0.013464433333333333 0.0 0.0403933 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0