condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00248981 0.0 0.00746943 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.054933 0.0 0.164799