condition	mean	min	max
0 h after light	20.3955	19.9925	20.7985
4 h after light	15.347550000000002	14.0676	16.6275
8 h after light	6.816459999999999	6.76223	6.87069
4 h after dark	5.380585	5.22304	5.53813
8 h after dark	7.563675	7.32069	7.80666
12 h after dark	14.7857	13.104	16.4674