condition	mean	min	max
4 h after light	4.802773333333334	4.7211300000000005	4.8731599999999995
8 h after light	4.902573333333334	4.70257	5.07437
12 h after light	4.8447933333333335	4.72611	5.07346
4 h after dark	4.95477	4.80221	5.04972
8 h after dark	4.76165	4.63689	4.94906
12 h after dark	4.708293333333333	4.67919	4.7541199999999995