condition	mean	min	max
4 h after light	13.7164	12.2072	15.2256
8 h after light	17.1188	17.0092	17.2284
12 h after light	18.47955	17.5388	19.4203
4 h after dark	27.0065	25.7873	28.2257
8 h after dark	10.8064	10.2943	11.3185
12 h after dark	12.2241	10.8243	13.6239