condition	mean	min	max
0 h after light	13.442450000000001	12.1011	14.7838
4 h after light	8.449285	7.27503	9.62354
8 h after light	4.45603	3.50406	5.408
4 h after dark	7.120255	4.92787	9.31264
8 h after dark	10.36712	9.30194	11.4323
12 h after dark	11.8187	10.6683	12.9691