condition	mean	min	max
4 h after light	14.163956500000001	13.981914	14.345999
8 h after light	13.0188685	12.102193	13.935544
12 h after light	17.0301805	15.057592	19.002769
4 h after dark	16.815891	15.075369	18.556413
8 h after dark	15.783715	15.447072	16.120358
12 h after dark	13.733901	13.733901	13.733901