condition	mean	min	max
4 h after light	8104.807222	6734.375	8946.263333
8 h after light	7912.722222333333	6203.92	9557.096667
12 h after light	24259.544443333332	18556.61667	30157.39333
1.5 h after dark	37765.11444333333	17816.53	59113.67333
5.5 h after dark	30429.70222	19184.23	42523.78333
9.5 h after dark	16538.57889	10158.95333	26009.91667