condition	mean	min	max
4 h after light	3.927115	3.38492	4.46931
8 h after light	3.64851	3.63812	3.6589
12 h after light	4.02947	3.68601	4.37293
4 h after dark	4.339616666666666	3.72805	4.68102
8 h after dark	4.57122	4.45851	4.76527
12 h after dark	3.8644333333333334	3.04706	4.61553