condition mean min max 4 h after light 0.061477 0.0 0.122954 8 h after light 0.0237165 0.0 0.047433 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 0.06162583333333333 0.0 0.127026