condition	mean	min	max
4 h after light	6.171755	5.42305	6.92046
8 h after light	17.9859	17.923	18.0488
12 h after light	39.57645	35.6327	43.5202
4 h after dark	40.167633333333335	39.215	41.1675
8 h after dark	24.428	21.5574	26.6942
12 h after dark	11.590616666666667	9.22335	14.4503