condition	mean	min	max
4 h after light	14.91109	14.302707	15.519473
8 h after light	12.282766500000001	12.070161	12.495372
12 h after light	13.085935	12.762377	13.409493
4 h after dark	13.319766999999999	11.540427	15.099107
8 h after dark	15.055978	14.418803	15.693153
12 h after dark	12.11496	12.11496	12.11496