condition mean min max 4 h after light 0.223364 0.0 0.446728 8 h after light 0.305271 0.0 0.610542 12 h after light 0.513822 0.316155 0.711489 4 h after dark 0.7296803333333334 0.0 1.68689 8 h after dark 2.03439 1.78726 2.23099 12 h after dark 0.89381 0.0 1.4557