condition	mean	min	max
0 h after light	9.302465	9.09358	9.51135
4 h after light	4.40397	3.93914	4.8688
8 h after light	3.115565	2.69374	3.53739
4 h after dark	7.718885	7.09063	8.34714
8 h after dark	6.771335	5.91841	7.62426
12 h after dark	10.308935	9.18757	11.4303