condition	mean	min	max
0 h after light	13.36985	0.0	26.7397
4 h after light	13.18195	0.0	26.3639
8 h after light	6.80485	0.0	13.6097
4 h after dark	0.0	0.0	0.0
8 h after dark	19.80695	13.2786	26.3353
12 h after dark	19.88245	13.0611	26.7038