condition mean min max 4 h after light 0.4499585 0.438173 0.461744 8 h after light 0.1133985625 0.000359125 0.226438 12 h after light 0.6025 0.0 1.205 4 h after dark 0.49136139 0.00168117 1.13984 8 h after dark 1.7675633333333334 1.10747 2.09827 12 h after dark 0.25431133333333333 0.0 0.545488