condition	mean	min	max
4 h after light	14.615300000000001	13.4997	15.7309
8 h after light	23.68655	21.4522	25.9209
12 h after light	21.362650000000002	20.4039	22.3214
4 h after dark	10.50357	9.79194	11.2152
8 h after dark	8.02733	7.76251	8.29215
12 h after dark	11.062895000000001	9.69899	12.4268