condition mean min max 4 h after light 0.516644 0.430754 0.602534 8 h after light 0.3750655 0.359593 0.390538 12 h after light 0.297491 0.237254 0.357728 4 h after dark 0.511292 0.449354 0.57323 8 h after dark 0.40935200000000005 0.378663 0.440041 12 h after dark 0.548659 0.454572 0.642746