condition	mean	min	max
4 h after light	19.095270499999998	16.047742	22.142799
8 h after light	23.940801	18.918001	28.963601
12 h after light	20.377633	19.267077	21.488189
4 h after dark	31.0484335	30.889949	31.206918
8 h after dark	36.303128	24.197885	48.408371
12 h after dark	29.448735	29.448735	29.448735