condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0842445 0.0 0.186037 9 h after light 0.0663385 0.0598738 0.0730735 12 h after light 0.046070625 0.0 0.122374 3 h after dark 0.057115 0.0 0.0954594 6 h after dark 0.18152933333333332 0.0 0.393362 9 h after dark 0.06911166666666667 0.0 0.207335 12 h after dark 0.12535075 0.0751525 0.175549