condition	mean	min	max
0 h after light	6.59011	6.34251	6.83771
4 h after light	6.2134350000000005	5.93495	6.49192
8 h after light	11.17625	10.8272	11.5253
4 h after dark	8.34964	7.83475	8.86453
8 h after dark	10.201615	9.05473	11.3485
12 h after dark	7.4345	6.82852	8.04048