JanFebMarAprMayJunJulAugSepOctNovDec
15.97.59.514.310.916.419.517.118.614.3  
25.38.810.011.913.717.819.219.119.317.1  
310.29.210.111.916.717.621.419.416.116.1  
45.37.36.413.614.215.913.518.315.213.7  
54.57.69.714.315.914.918.219.218.315.1  
68.17.99.316.116.912.517.316.719.814.2  
77.36.08.213.214.416.120.418.813.616.6  
88.55.110.312.213.711.618.320.217.717.2  
99.44.412.614.912.014.416.720.018.615.9  
109.57.78.113.410.914.715.421.314.012.7  
119.84.79.612.811.114.118.320.815.716.0  
123.24.811.314.913.219.917.218.618.012.0  
133.75.812.412.611.717.219.218.911.916.8  
145.86.413.512.217.816.319.714.615.514.2  
157.89.411.713.413.619.420.620.215.517.9  
169.711.413.110.418.919.420.318.116.413.9  
1713.111.07.211.514.723.426.719.418.616.8  
1811.111.47.910.715.725.220.614.613.213.6  
1911.813.713.812.611.819.818.219.819.512.9  
208.117.610.121.710.217.214.821.314.915.9  
215.29.87.714.513.114.316.118.213.7   
225.110.410.212.213.916.117.915.216.0   
239.74.89.813.319.220.417.814.616.9   
249.17.610.89.423.917.418.220.215.2   
259.414.813.87.318.319.217.617.813.6   
265.89.714.49.718.617.119.218.913.6   
275.47.612.811.717.310.916.918.114.1   
285.110.16.610.820.716.719.319.819.1   
297.89.410.313.012.319.716.815.3   
307.711.69.418.613.318.220.314.9   
316.513.315.817.318.8  
Avg: 7.68.710.512.615.216.718.518.616.1* 15.1  
Hi: 13.117.614.421.723.925.226.721.319.8* 17.9  
Lo: 3.24.46.47.310.210.913.514.611.9* 12.0  
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20177.68.710.512.615.216.718.518.616.1* 15.1  
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
Avg6.98.09.811.114.016.018.318.316.6* 13.7* 9.97.8