condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.040710333333333334 0.0 0.122131 9 h after light 0.05812113333333333 0.0 0.123288 12 h after light 0.014021125 0.0 0.0560845 3 h after dark 0.045647 0.0 0.136941 6 h after dark 0.036240666666666664 0.0 0.108722 9 h after dark 0.073332 0.0 0.113632 12 h after dark 0.0507475 0.0 0.101495