condition	mean	min	max
0 h after light	12.39945	11.2176	13.5813
4 h after light	7.548935	6.86904	8.22883
8 h after light	10.391225	8.92065	11.8618
4 h after dark	21.427	20.1487	22.7053
8 h after dark	16.339949999999998	13.1929	19.487
12 h after dark	10.453240000000001	9.49178	11.4147