condition mean min max 3 h after light 1.28003 0.0 2.11796 6 h after light 0.303572 0.0 0.910716 9 h after light 2.1023853333333333 0.524076 3.48092 12 h after light 1.81355625 0.973435 2.62078 3 h after dark 0.5645033333333334 0.0 1.10605 6 h after dark 1.0855266666666668 0.50007 1.61303 9 h after dark 1.21961 0.0 2.33761 12 h after dark 0.512847 0.470298 0.555396