condition	mean	min	max
0 h after light	38.86405	38.0858	39.6423
4 h after light	44.1392	39.493	48.7854
8 h after light	57.5035	52.8814	62.1256
4 h after dark	61.57805	58.1228	65.0333
8 h after dark	49.95325	46.8119	53.0946
12 h after dark	44.92085	41.6564	48.1853