condition	mean	min	max
4 h after light	9.161915	8.39203	9.9318
8 h after light	9.28199	8.92466	9.63932
12 h after light	11.1555	10.999	11.312
4 h after dark	14.3253	13.8198	14.8308
8 h after dark	11.46325	11.0889	11.8376
12 h after dark	10.6737	10.1973	11.1501