condition	mean	min	max
4 h after light	16.825083333333332	11.79524	20.75123
8 h after light	14.635240000000001	10.972339999999999	18.62806
12 h after light	12.034525333333333	9.698716000000001	15.243079999999999
16 h after light	16.72788	13.612620000000001	20.71963
4 h after dark	24.084066666666665	16.91734	28.86508
8 h after dark	16.389103333333335	14.135760000000001	19.35321