condition	mean	min	max
4 h after light	172.423	170.941	173.905
8 h after light	58.37	56.0346	60.7054
12 h after light	19.831699999999998	14.6872	24.9762
4 h after dark	16.08513333333333	14.5083	17.3601
8 h after dark	51.654	48.2561	56.2209
12 h after dark	134.50166666666667	130.102	140.311