condition	mean	min	max
4 h after light	27.53295	23.5933	31.4726
8 h after light	31.66135	31.2974	32.0253
12 h after light	41.07275	35.4181	46.7274
4 h after dark	50.3429	48.2568	52.429
8 h after dark	42.00625	40.4422	43.5703
12 h after dark	37.2673	36.9451	37.5895