condition	mean	min	max
4 h after light	23.229775	22.428674	24.030876
8 h after light	19.509396000000002	18.961804	20.056988
12 h after light	18.8911035	17.396016	20.386191
4 h after dark	16.5582595	15.919353	17.197166
8 h after dark	19.568022999999997	18.216177	20.919869
12 h after dark	19.765363	19.765363	19.765363