condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.031082433333333336 0.0 0.0932473 9 h after light 0.05869256666666667 0.0 0.092369 12 h after light 0.04808025 0.0 0.192321 3 h after dark 0.0 0.0 0.0 6 h after dark 0.122212 0.0 0.366636 9 h after dark 0.02598083333333333 0.0 0.0779425 12 h after dark 0.0 0.0 0.0