condition mean min max 2 h after light 0.5650643333333334 0.0 1.79905 6 h after light 2.022443 0.0 7.53939 10 h after light 0.367777 0.0 0.701951 14 h after light 1.243071 0.166347 4.36212 18 h after light 0.9205408333333333 0.0 2.8663 2 h after dark 0.6330476666666667 0.0 1.55196