condition mean min max 0 h after light 0.0159837 0.0 0.0319674 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.07660934999999999 0.0305507 0.122668 12 h after light 0.03186035 0.0298243 0.0338964 2 h after dark 0.03057145 0.0 0.0611429 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0167 0.0 0.0334 12 h after dark 0.01524235 0.0 0.0304847