condition	mean	min	max
0 h after light	12.32665	12.0675	12.5858
4 h after light	18.1709	14.9908	21.351
8 h after light	21.0351	18.8466	23.2236
4 h after dark	23.344549999999998	22.8918	23.7973
8 h after dark	25.1828	23.9327	26.4329
12 h after dark	13.6928	11.7211	15.6645