condition	mean	min	max
4 h after light	7.91725	7.72658	8.11422
8 h after light	8.11663	8.0426	8.26411
12 h after light	8.307606666666667	8.229230000000001	8.39917
4 h after dark	8.29416	8.16657	8.37934
8 h after dark	8.052973333333334	7.99925	8.15221
12 h after dark	7.767096666666667	7.67696	7.90992