condition	mean	min	max
4 h after light	18.2705	16.8286	19.7124
8 h after light	27.80605	26.8553	28.7568
12 h after light	37.5873	35.8488	39.3258
4 h after dark	46.61933333333333	45.9422	47.8382
8 h after dark	36.6983	33.5049	38.6649
12 h after dark	30.016933333333334	28.5125	30.7782