condition	mean	min	max
4 h after light	1906.25	1870.58	1941.92
8 h after light	616.0374999999999	587.641	644.434
12 h after light	158.075	152.589	163.561
4 h after dark	165.61200000000002	156.205	175.019
8 h after dark	309.0295	302.252	315.807
12 h after dark	910.507	878.882	942.132