condition	mean	min	max
4 h after light	5.193855	5.09497	5.29274
8 h after light	2.586825	2.42154	2.75211
12 h after light	5.41455	4.45846	6.37064
4 h after dark	18.9775	15.7333	22.2217
8 h after dark	13.175799999999999	12.5055	13.8461
12 h after dark	7.438775	6.77516	8.10239