condition	mean	min	max
4 h after light	7.81635	7.52732	8.10538
8 h after light	12.5528	12.3067	12.7989
12 h after light	18.03785	17.3349	18.7408
4 h after dark	27.5726	26.5955	28.5497
8 h after dark	24.28705	24.2124	24.3617
12 h after dark	16.459600000000002	16.2981	16.6211