condition	mean	min	max
0 h after light	12.99695	11.6705	14.3234
4 h after light	5.548735000000001	5.44862	5.64885
8 h after light	6.32527	6.23517	6.41537
4 h after dark	7.60899	5.61432	9.60366
8 h after dark	7.550575	6.44898	8.65217
12 h after dark	10.76942	9.14184	12.397