condition mean min max 0 h after light 16.0661 15.662 16.4702 2 h after light 11.66355 10.9996 12.3275 4 h after light 11.772 11.4356 12.1084 8 h after light 8.91162 8.22118 9.60206 12 h after light 14.1995 13.787 14.612 2 h after dark 15.354499999999998 12.9049 17.8041 4 h after dark 13.4012 11.5001 15.3023 8 h after dark 16.2047 15.4377 16.9717 12 h after dark 14.13915 10.9903 17.288