condition mean min max 4 h after light 0.2959931 0.0886763 0.481413 8 h after light 0.19468373333333333 0.0139972 0.353414 12 h after light 0.10114243333333334 0.0591379 0.184067 4 h after dark 0.2106419 0.0742977 0.308445 8 h after dark 0.121024 0.0 0.234549 12 h after dark 0.32009166666666666 0.188853 0.419217