condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02001606666666667 0.0 0.0600482 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.5208543333333333 0.394799 0.617437