condition	mean	min	max
4 h after light	3.1711850000000004	2.63098	3.71139
8 h after light	2.005405	1.97309	2.03772
12 h after light	2.5557499999999997	2.45117	2.66033
4 h after dark	3.3401033333333334	3.04659	3.51008
8 h after dark	4.009343333333333	3.38729	4.54081
12 h after dark	3.33969	3.05595	3.84908