JanFebMarAprMayJunJulAugSepOctNovDec
132.938.124.026.717.225.220.221.0    
224.226.827.330.620.324.320.825.2    
323.330.236.429.426.823.821.722.1    
424.931.740.123.123.922.319.319.4    
533.434.329.724.721.922.912.117.9    
636.638.930.925.820.422.116.816.7    
733.235.925.426.821.718.119.216.3    
833.735.130.628.123.318.420.015.3    
931.036.223.433.322.616.918.819.2    
1025.837.630.128.424.319.217.818.7    
1128.327.332.325.125.016.119.322.6    
1235.328.331.827.224.417.619.325.1    
1329.131.629.628.422.817.619.219.3    
1430.231.732.823.628.616.719.017.9    
1530.528.931.321.927.319.720.318.6    
1628.331.929.921.716.918.121.317.9    
1726.732.734.522.516.917.821.715.6    
1834.432.236.423.918.318.219.419.3    
1940.534.734.716.820.919.218.820.4    
2041.331.732.318.320.219.617.024.1    
2132.225.431.823.121.324.019.324.0    
2230.927.429.125.022.720.617.425.3    
2321.228.628.227.922.319.219.5     
2421.131.328.628.621.619.820.4     
2526.937.428.529.221.520.317.3     
2633.235.933.728.121.320.216.3     
2736.934.331.228.721.816.420.7     
2839.428.527.229.223.015.920.1     
2931.827.021.422.916.417.5     
3033.730.820.222.813.822.9     
3137.534.926.322.9   
Avg: 31.232.330.825.622.319.319.2* 20.1    
Hi: 41.338.940.133.328.625.222.9* 25.3    
Lo: 21.125.423.416.816.913.812.1* 15.3    
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201931.232.330.825.622.319.319.2* 20.1    
2018         * 25.425.730.2
Avg31.232.330.825.622.319.319.2* 20.10.0* 25.425.730.2