condition	mean	min	max
4 h after light	23.334	20.3598	26.3082
8 h after light	31.96345	29.1191	34.8078
12 h after light	20.89575	18.5915	23.2
4 h after dark	41.45485	37.0477	45.862
8 h after dark	44.28475	43.0296	45.5399
12 h after dark	38.8387	34.638	43.0394