condition	mean	min	max
4 h after light	13.0699085	12.863863	13.275954
8 h after light	12.796372	11.796718	13.796026
12 h after light	22.647503999999998	12.155359	33.139649
4 h after dark	18.6333965	14.68356	22.583233
8 h after dark	14.253153	10.755923	17.750383
12 h after dark	19.412408	19.412408	19.412408