condition	mean	min	max
4 h after light	14.58245	13.0369	16.128
8 h after light	27.094450000000002	24.8637	29.3252
12 h after light	27.102249999999998	24.8611	29.3434
4 h after dark	12.6328	12.271	12.8184
8 h after dark	22.314233333333334	19.1062	24.6155
12 h after dark	15.590366666666666	14.4441	17.7089