condition	mean	min	max
0 h after light	4.50746	4.11117	4.90375
4 h after light	4.47288	4.05972	4.88604
8 h after light	6.47421	6.30698	6.64144
4 h after dark	8.30669	7.22193	9.39145
8 h after dark	6.041885000000001	5.42691	6.65686
12 h after dark	3.70702	3.41054	4.0035