condition mean min max 4 h after light 18.08965 14.6493 21.53 8 h after light 9.828275 9.79547 9.86108 12 h after light 12.99685 10.9834 15.0103 4 h after dark 26.495366666666666 25.9456 27.011 8 h after dark 28.8541 27.9191 30.2696 12 h after dark 33.04533333333333 28.005 36.7552