condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.046077066666666666 0.0 0.0751929 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.04587633333333333 0.0 0.137629 9 h after dark 0.044255333333333334 0.0 0.132766 12 h after dark 0.25415333333333334 0.171377 0.386999