condition	mean	min	max
4 h after light	490.324905	471.155134	509.494676
8 h after light	568.245611	564.790162	571.70106
12 h after light	505.2226905	466.058199	544.387182
4 h after dark	576.5788405000001	558.147284	595.010397
8 h after dark	578.4436734999999	536.984025	619.903322
12 h after dark	496.325357	496.325357	496.325357