condition	mean	min	max
4 h after light	7.4375275	7.424956	7.450099
8 h after light	7.1886925	6.874559	7.502826
12 h after light	7.5745695	7.502826	7.646313
4 h after dark	7.3832325	7.145493	7.620972
8 h after dark	7.402127999999999	7.30143	7.502826
12 h after dark	7.502826	7.502826	7.502826