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 0.165152 0.0 0.495456 12 h after light 0.30997433333333335 0.214841 0.414065 3 h after dark 0.11579966666666668 0.0 0.347399 6 h after dark 0.11476566666666667 0.0 0.18156 9 h after dark 0.092934 0.0 0.278802 12 h after dark 0.0 0.0 0.0