condition mean min max 3 h after light 14.0567 12.5449 15.838 6 h after light 11.5322 10.5786 12.0977 9 h after light 11.679 11.0366 12.8474 12 h after light 13.810425 11.9545 15.7787 3 h after dark 11.32398 9.81424 12.1949 6 h after dark 15.713 14.3704 16.8126 9 h after dark 14.3969 12.8721 16.3139 12 h after dark 13.13715 11.6367 14.6376