condition	mean	min	max
0 h after light	4.680804999999999	4.5973	4.76431
4 h after light	19.963250000000002	18.4433	21.4832
8 h after light	19.87005	18.8805	20.8596
4 h after dark	3.357885	1.40125	5.31452
8 h after dark	5.880535	5.62068	6.14039
12 h after dark	6.41676	6.17427	6.65925