condition	mean	min	max
4 h after light	11.1687935	9.449256	12.888331
8 h after light	9.0553345	8.449062	9.661607
12 h after light	11.235173	10.243409	12.226937
4 h after dark	8.2245015	7.768551	8.680452
8 h after dark	22.3915465	18.185492	26.597601
12 h after dark	9.449256	9.449256	9.449256