condition	mean	min	max
0 h after light	37.34305	35.8841	38.802
4 h after light	15.8535	13.1703	18.5367
8 h after light	17.7158	14.6003	20.8313
4 h after dark	24.23035	21.3657	27.095
8 h after dark	19.2896	18.4893	20.0899
12 h after dark	39.23535	25.9748	52.4959