condition	mean	min	max
4 h after light	8.175276666666667	8.0414	8.25041
8 h after light	7.439606666666666	7.394019999999999	7.503839999999999
12 h after light	7.4906733333333335	7.3972	7.6181399999999995
4 h after dark	8.189540000000001	8.15995	8.23231
8 h after dark	8.302836666666668	8.254760000000001	8.33672
12 h after dark	8.58997	8.46378	8.71456