condition	mean	min	max
4 h after light	3.375285	2.65133	4.09924
8 h after light	4.701345	4.20181	5.20088
12 h after light	6.602755	6.48477	6.72074
4 h after dark	13.7612	11.2656	15.9913
8 h after dark	9.736196666666666	8.01837	11.4962
12 h after dark	6.258303333333333	5.42974	6.94695