condition mean min max 4 h after light 28.99425 28.8815 29.107 8 h after light 19.67865 19.402 19.9553 12 h after light 19.82595 19.7684 19.8835 4 h after dark 25.40745 24.7254 26.0895 8 h after dark 26.73105 26.521 26.9411 12 h after dark 24.70205 23.88 25.5241