JanFebMarAprMayJunJulAugSepOctNovDec
18.78.3-1.79.613.420.930.524.1    
213.28.61.111.510.923.930.629.4    
311.36.36.212.716.826.728.931.3    
412.86.310.711.619.021.624.928.9    
58.64.69.512.124.617.027.828.3    
65.73.710.115.326.823.730.630.8    
75.35.110.316.628.218.730.427.2    
84.27.811.212.321.322.031.222.6    
99.27.59.910.818.321.329.822.2    
109.710.412.713.316.824.125.419.7    
117.010.312.512.916.926.126.219.3    
128.68.011.610.414.021.326.618.1    
138.36.912.712.119.022.525.523.6    
146.710.212.419.121.221.627.324.1    
1512.110.313.613.223.821.730.422.4    
167.010.113.115.018.120.127.8     
179.910.27.314.919.217.622.2     
1812.18.40.823.019.223.124.3     
197.612.54.428.021.223.728.2     
209.410.48.824.122.124.326.7     
2112.18.69.823.424.620.126.9     
2211.26.610.221.223.224.031.0     
2312.46.211.815.622.225.629.7     
2412.66.99.217.115.227.128.9     
2510.16.412.713.719.629.330.2     
268.32.313.213.426.829.831.3     
2711.11.713.612.125.629.027.4     
2812.3-0.29.610.224.227.821.6     
2911.78.49.518.528.518.6     
3010.36.912.318.129.921.3     
319.87.222.423.4   
Avg: 9.77.39.314.920.423.827.3* 24.8    
Hi: 13.212.513.628.028.229.931.3* 31.3    
Lo: 4.2-0.2-1.79.510.917.018.6* 18.1    
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20189.77.39.314.920.423.827.3* 24.8    
20177.79.713.515.619.222.623.121.718.416.511.68.7
20169.69.511.314.219.621.424.124.221.815.710.310.0
20159.68.211.716.917.622.122.821.919.615.813.413.6
201410.310.613.716.018.623.426.021.922.017.012.29.6
20137.57.17.613.017.320.626.924.220.517.410.610.4
2012        * 19.715.010.89.2
Avg9.18.711.215.118.822.325.0* 23.1* 20.316.211.510.2