condition	mean	min	max
4 h after light	0.0973345	0.048384	0.146285
8 h after light	0.0	0.0	0.0
12 h after light	0.0241251	0.0	0.0482502
4 h after dark	0.06356435	0.0427827	0.084346
8 h after dark	0.1056705	0.0	0.211341
12 h after dark	0.282499	0.249677	0.315321