condition	mean	min	max
4 h after light	12.67995	11.3489	14.011
8 h after light	12.00085	11.2214	12.7803
12 h after light	13.2568	12.8854	13.6282
4 h after dark	36.13195	35.4572	36.8067
8 h after dark	32.3237	31.8086	32.8388
12 h after dark	29.9063	29.2007	30.6119