condition	mean	min	max
0 h after light	3.63825	3.40137	3.87513
4 h after light	3.705565	3.46575	3.94538
8 h after light	4.247135	4.0734	4.42087
4 h after dark	3.609315	3.41954	3.79909
8 h after dark	3.61597	3.54699	3.68495
12 h after dark	4.27703	3.86303	4.69103