condition	mean	min	max
0 h after light	7.34802	7.16979	7.52625
4 h after light	3.13667	2.58663	3.68671
8 h after light	2.7849250000000003	2.54921	3.02064
4 h after dark	11.999649999999999	11.23	12.7693
8 h after dark	10.5182	10.4062	10.6302
12 h after dark	7.044185000000001	6.74905	7.33932