condition	mean	min	max
4 h after light	5.218405000000001	3.99472	6.44209
8 h after light	9.012425	8.55337	9.47148
12 h after light	5.438445	2.34535	8.53154
4 h after dark	7.001943333333333	3.68708	11.9722
8 h after dark	7.657813333333333	6.9764	8.83477
12 h after dark	10.64544	6.78772	14.5482