condition	mean	min	max
4 h after light	19.68115	17.374579999999998	23.61991
8 h after light	15.23799	12.96392	17.96592
12 h after light	20.097266666666666	18.63928	22.62494
16 h after light	23.397479999999998	17.74249	27.81985
4 h after dark	31.391543333333335	29.05172	32.64352
8 h after dark	23.313136666666665	16.946089999999998	28.3733