condition	mean	min	max
4 h after light	0.0129704	0.0	0.0259408
8 h after light	0.0	0.0	0.0
12 h after light	0.02065755	0.0	0.0413151
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0080505	0.0	0.0241515