condition	mean	min	max
4 h after light	45.71215	40.0185	51.4058
8 h after light	46.7731	45.7658	47.7804
12 h after light	64.66275	62.021	67.3045
4 h after dark	80.7465	74.0102	87.4828
8 h after dark	66.12105	64.9201	67.322
12 h after dark	61.0868	58.9124	63.2612