condition mean min max 4 h after light 3.0916499999999996 2.77376 3.40954 8 h after light 2.947795 2.61626 3.27933 12 h after light 2.655125 2.37598 2.93427 4 h after dark 3.0115 2.97186 3.05114 8 h after dark 4.806794999999999 4.48185 5.13174 12 h after dark 4.20662 3.92162 4.49162