condition	mean	min	max
4 h after light	8.291135	8.0	8.58227
8 h after light	7.477595	7.09765	7.85754
12 h after light	10.6203	10.5357	10.7049
4 h after dark	10.765166666666667	10.3651	11.023
8 h after dark	10.3599	10.1108	10.8156
12 h after dark	9.37789	8.45896	10.3915