condition	mean	min	max
4 h after light	18.39975	15.2721	21.5274
8 h after light	7.611800000000001	7.43501	7.78859
12 h after light	2.810675	2.28192	3.33943
4 h after dark	3.7138549999999997	2.96102	4.46669
8 h after dark	2.89193	2.54818	3.23568
12 h after dark	6.58962	5.28011	7.89913