condition mean min max 3 h after light 0.06457316666666667 0.0 0.111352 6 h after light 0.0276656 0.0 0.0829968 9 h after light 0.18163266666666666 0.13807 0.218808 12 h after light 0.171736 0.0 0.332345 3 h after dark 0.164897 0.0 0.306844 6 h after dark 0.28566369999999996 0.0967301 0.400912 9 h after dark 0.247307 0.0 0.618794 12 h after dark 0.052844 0.0 0.158532