condition mean min max 0 h after light 4.776965 1.82605 7.72788 2 h after light 18.803449999999998 17.3982 20.2087 4 h after light 19.1986 12.143 26.2542 8 h after light 56.6035 54.5283 58.6787 12 h after light 46.27045 35.3287 57.2122 2 h after dark 31.63605 30.5659 32.7062 4 h after dark 19.25045 18.5365 19.9644 8 h after dark 7.794075 5.85275 9.7354 12 h after dark 4.1432 1.06813 7.21827