condition	mean	min	max
4 h after light	13.250821	9.808703	18.24521
8 h after light	7.872054666666666	4.154456	9.869496
12 h after light	16.50645	14.28476	17.655929999999998
16 h after light	15.611456666666665	10.99818	21.421429999999997
4 h after dark	19.081883333333334	16.16408	23.316370000000003
8 h after dark	11.345276666666667	10.58811	12.027289999999999