condition	mean	min	max
4 h after light	4.719026666666666	4.64766	4.82245
8 h after light	4.50402	4.45656	4.5302
12 h after light	4.460800000000001	4.382630000000001	4.519340000000001
4 h after dark	4.678803333333334	4.61495	4.74287
8 h after dark	4.7000399999999996	4.59641	4.89231
12 h after dark	4.8478699999999995	4.75868	4.944459999999999