condition	mean	min	max
0 h after light	16.42285	15.4422	17.4035
4 h after light	9.57941	3.93362	15.2252
8 h after light	6.8495550000000005	1.90971	11.7894
4 h after dark	13.29665	13.2704	13.3229
8 h after dark	19.05885	11.5026	26.6151
12 h after dark	7.64775	5.65708	9.63842