condition	mean	min	max
0 h after light	38.7939	37.6198	39.968
4 h after light	31.56545	31.5278	31.6031
8 h after light	38.7928	36.7002	40.8854
4 h after dark	45.63865	44.191	47.0863
8 h after dark	49.84105	49.3055	50.3766
12 h after dark	35.27915	34.9941	35.5642