condition	mean	min	max
4 h after light	7.134024999999999	5.73425	8.5338
8 h after light	9.75199	9.70444	9.79954
12 h after light	11.59215	11.5174	11.6669
4 h after dark	15.110000000000001	14.5225	15.5341
8 h after dark	14.8576	13.2216	15.9455
12 h after dark	8.86146	8.27986	9.33234