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 0.02825343333333333 0.0 0.0847603 12 h after light 0.0 0.0 0.0 3 h after dark 0.024255533333333332 0.0 0.0727666 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0