condition mean min max 3 h after light 0.19167900000000002 0.134376 0.256572 6 h after light 0.236774 0.169607 0.304031 9 h after light 0.1389087 0.0666201 0.240934 12 h after light 0.0552627 0.0 0.16735 3 h after dark 0.09819333333333334 0.0 0.207551 6 h after dark 0.0429019 0.0 0.0689352 9 h after dark 0.258837 0.126016 0.447191 12 h after dark 0.487456 0.426788 0.548124