condition	mean	min	max
4 h after light	8.937826666666666	8.89606	8.9893
8 h after light	8.92241	8.8172	9.05457
12 h after light	9.088456666666666	9.00654	9.23874
4 h after dark	9.14787	9.082189999999999	9.233139999999999
8 h after dark	9.065959999999999	8.95027	9.15092
12 h after dark	9.030393333333333	8.972389999999999	9.07651