condition	mean	min	max
4 h after light	18.845122500000002	15.354159	22.336086
8 h after light	17.329648499999998	17.241016	17.418281
12 h after light	16.0536495	14.512087	17.595212
4 h after dark	18.798041	18.68766	18.908422
8 h after dark	21.255392999999998	18.375442	24.135344
12 h after dark	25.862415	25.862415	25.862415