JanFebMarAprMayJunJulAugSepOctNovDec
16.313.814.423.011.021.018.617.519.3   
24.717.016.016.211.619.119.818.520.3   
34.516.615.513.112.016.320.519.019.9   
44.114.914.511.213.514.321.019.520.4   
54.211.810.911.614.415.922.121.322.7   
64.210.59.910.916.117.118.618.727.0   
73.38.99.09.917.017.217.318.729.4   
82.611.510.114.222.918.017.119.322.6   
92.512.29.715.720.318.418.219.821.6   
103.510.710.916.215.018.819.820.720.5   
115.113.313.911.513.518.219.621.420.1   
127.013.511.310.315.119.517.021.222.0   
139.011.612.010.913.822.616.621.426.1   
149.413.411.010.913.322.517.322.123.7   
1510.415.010.89.414.722.218.020.622.5   
169.214.411.99.214.724.119.320.119.4   
179.415.212.310.314.819.220.219.519.5   
188.715.210.212.812.919.620.418.517.5   
1912.917.79.211.413.920.521.618.616.9   
2014.221.18.213.315.921.321.521.316.3   
2116.117.010.813.112.919.121.521.816.4   
2211.39.710.916.912.516.621.220.317.0   
2310.614.49.520.013.415.020.021.218.2   
2410.018.611.221.113.617.019.920.319.6   
259.215.212.219.613.817.620.120.5    
2610.212.711.116.113.019.220.621.1    
2714.111.012.113.414.816.619.420.2    
2814.710.015.213.317.116.620.119.6    
2914.521.810.917.117.219.718.5    
3013.422.710.617.718.020.318.9    
3112.224.020.017.019.3  
Avg: 8.813.812.713.614.918.619.520.0* 20.8   
Hi: 16.121.124.023.022.924.122.122.1* 29.4   
Lo: 2.58.98.29.211.014.316.617.5* 16.3   
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20218.813.812.713.614.918.619.520.0* 20.8   
202010.813.511.815.718.118.221.021.820.015.515.110.9
20197.512.412.312.913.918.221.021.319.417.411.411.6
201810.06.811.214.814.618.521.921.420.515.513.212.0
20176.911.412.713.217.219.720.220.817.616.911.38.9
201611.610.110.213.016.118.220.521.319.815.911.511.5
20159.07.610.314.916.018.921.320.917.516.414.414.8
201411.910.711.714.214.719.019.920.220.619.214.79.1
20139.58.211.812.912.616.021.920.419.618.613.811.0
2012  * 13.411.216.618.819.321.719.316.312.711.4
Avg9.510.5* 11.813.615.518.420.721.0* 19.516.913.111.2