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 0.03405433333333333 0.0 0.102163 12 h after light 0.04327675 0.0 0.173107 3 h after dark 0.07985133333333333 0.0 0.13346 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.052535 0.0 0.10507