condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.17456266666666667 0.0 0.523688 12 h after light 0.08808933333333334 0.0 0.264268 3 h after dark 0.08720099999999999 0.0 0.261603 6 h after dark 0.15653233333333333 0.0 0.26942 9 h after dark 0.228629 0.0 0.685887 12 h after dark 0.0 0.0 0.0