condition	mean	min	max
4 h after light	34.84435	26.1751	43.5136
8 h after light	31.278	29.3336	33.2224
12 h after light	31.5111	31.3654	31.6568
4 h after dark	34.5785	30.5317	37.2745
8 h after dark	34.16036666666667	27.5819	37.6078
12 h after dark	30.871433333333332	29.7763	31.8845