condition	mean	min	max
0 h after light	9.70948	3.87826	15.5407
4 h after light	19.630405	7.64751	31.6133
8 h after light	7.840225	3.83695	11.8435
4 h after dark	7.6404749999999995	3.80895	11.472
8 h after dark	15.310595	7.70359	22.9176
12 h after dark	13.471340000000001	7.57738	19.3653