condition	mean	min	max
4 h after light	5.951736666666666	5.75289	6.19888
8 h after light	5.71027	5.61965	5.77656
12 h after light	5.63272	5.404730000000001	5.90565
4 h after dark	6.04531	5.79143	6.21295
8 h after dark	5.84945	5.43236	6.08328
12 h after dark	5.989013333333333	5.6387599999999996	6.65435