condition mean min max 4 h after light 0.521491 0.0 0.888869 8 h after light 1.8414139999999999 0.716462 2.45239 12 h after light 1.5820133333333333 1.15131 2.43288 4 h after dark 1.0810193333333333 0.762158 1.29253 8 h after dark 0.3065326666666667 0.0 0.63696 12 h after dark 0.52951 0.285486 1.00458