condition	mean	min	max
4 h after light	6.069513333333333	5.89669	6.24912
8 h after light	5.9709900000000005	5.895230000000001	6.091480000000001
12 h after light	5.923723333333333	5.7536	6.11174
4 h after dark	5.82035	5.6493	5.957269999999999
8 h after dark	5.812426666666667	5.59952	5.966130000000001
12 h after dark	5.863413333333333	5.71385	6.07091