condition	mean	min	max
4 h after light	49.28965	42.8613	55.718
8 h after light	18.168599999999998	17.401	18.9362
12 h after light	8.824055	8.32978	9.31833
4 h after dark	6.8756450000000005	6.19681	7.55448
8 h after dark	10.01125	9.9672	10.0553
12 h after dark	15.5213	15.083	15.9596