condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.027480633333333334 0.0 0.0824419 4 h after dark 0.0067536333333333325 0.0 0.0202609 8 h after dark 0.020253966666666668 0.0 0.0607619 12 h after dark 0.0251948 0.0 0.0399641