condition	mean	min	max
4 h after light	2.48557	1.67879	3.29235
8 h after light	4.7183399999999995	4.56487	4.87181
12 h after light	5.46049	4.11126	6.80972
4 h after dark	5.61405	5.29585	5.93225
8 h after dark	2.69313	2.65571	2.73055
12 h after dark	2.7230749999999997	2.0292	3.41695