condition mean min max 3 h after light 0.0132056 0.0 0.0396168 6 h after light 0.005956246666666667 0.0 0.00906318 9 h after light 0.00298789 0.0 0.00896367 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0