JanFebMarAprMayJunJulAugSepOctNovDec
15.26.80.69.311.317.919.318.217.3   
24.98.62.45.89.818.118.423.018.8   
38.95.02.47.912.913.820.224.816.4   
46.38.93.73.415.317.018.921.818.1   
55.94.44.011.317.317.722.720.017.4   
64.33.34.76.816.017.419.722.217.4   
73.73.17.49.715.718.121.118.718.0   
86.47.28.413.318.216.826.418.618.1   
96.07.79.510.612.112.417.617.319.1   
106.47.25.16.215.612.318.218.214.7   
119.86.78.38.810.714.419.117.817.8   
127.15.07.210.714.615.719.314.217.7   
136.74.38.66.912.416.119.117.215.7   
146.65.17.211.415.517.420.719.215.8   
157.25.85.412.117.317.421.720.916.3   
162.78.14.212.116.213.919.419.6    
175.87.32.911.413.817.119.015.7    
186.36.43.412.413.518.718.721.1    
193.96.48.617.715.516.620.715.0    
205.211.712.318.313.716.416.118.8    
214.210.210.712.411.217.317.316.3    
227.47.011.414.011.418.326.316.9    
2311.15.310.314.710.316.423.915.6    
248.16.512.715.612.418.221.216.1    
258.64.412.713.521.818.619.917.6    
269.25.210.214.518.814.620.714.8    
2711.44.45.212.317.715.921.220.1    
2811.20.67.712.118.319.817.415.8    
2910.67.213.619.914.514.819.3    
306.74.911.721.317.618.118.9    
315.84.314.118.117.7  
Avg: 6.96.26.911.415.016.519.818.4* 17.2   
Hi: 11.411.712.718.321.819.826.424.8* 19.1   
Lo: 2.70.60.63.49.812.314.814.2* 14.7   
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20186.96.26.911.415.016.519.818.4* 17.2   
20177.68.710.512.615.216.718.518.616.114.68.97.2
20166.87.69.710.214.916.218.318.917.513.98.99.0
20156.97.69.511.813.215.416.817.915.914.29.79.2
20147.17.810.511.414.217.319.617.916.913.910.96.9
20136.27.35.610.613.816.219.618.816.813.59.08.3
20126.99.112.910.112.814.216.717.916.611.79.46.5
2011          * 11.47.2
Avg6.97.89.411.114.216.118.518.3* 16.713.6* 9.77.8