condition mean min max 2 h after light 329.692 321.061 342.804 6 h after light 237.825 227.092 251.528 10 h after light 188.59566666666666 184.318 193.238 2 h after dark 108.779 104.759 114.298 6 h after dark 141.117 135.936 144.946 10 h after dark 179.081 175.879 180.809