condition	mean	min	max
0 h after light	21.48715	21.3109	21.6634
4 h after light	30.74065	28.839	32.6423
8 h after light	38.94985	34.1739	43.7258
4 h after dark	37.7117	34.9255	40.4979
8 h after dark	30.519750000000002	28.4383	32.6012
12 h after dark	23.7015	19.9496	27.4534