condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.020864066666666667 0.0 0.0625922 9 h after light 0.031105566666666664 0.0 0.052063 12 h after light 0.0 0.0 0.0 3 h after dark 0.011805433333333332 0.0 0.0354163 6 h after dark 0.0100783 0.0 0.0302349 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0