condition mean min max 2 h after light 0.01908366666666667 0.0 0.114502 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.016304333333333334 0.0 0.097826