condition	mean	min	max
4 h after light	15.828476499999999	14.082116	17.574837
8 h after light	13.9367535	13.000171	14.873336
12 h after light	13.153172	12.774431	13.531913
4 h after dark	15.351483	14.699295	16.003671
8 h after dark	13.972904	12.597221	15.348587
12 h after dark	13.852668	13.852668	13.852668