condition	mean	min	max
0 h after light	20.7344	20.4038	21.065
4 h after light	16.42745	13.337	19.5179
8 h after light	12.7542	12.315	13.1934
4 h after dark	35.4838	30.7519	40.2157
8 h after dark	28.21425	25.3378	31.0907
12 h after dark	23.7484	20.5046	26.9922