condition mean min max 0 h after light 59.215599999999995 51.3482 67.083 2 h after light 12.783249999999999 12.1733 13.3932 4 h after light 16.1358 13.0735 19.1981 8 h after light 15.69285 14.4625 16.9232 12 h after light 13.9191 11.6836 16.1546 2 h after dark 20.4311 17.7486 23.1136 4 h after dark 36.47839999999999 32.1504 40.8064 8 h after dark 63.1042 57.786 68.4224 12 h after dark 65.4548 61.6134 69.2962