JanFebMarAprMayJunJulAugSepOctNovDec
114.011.612.416.317.6       
214.114.414.417.515.1       
315.114.913.416.617.9       
416.815.215.717.1        
513.713.815.617.9        
612.313.913.819.1        
711.913.314.820.3        
811.215.313.922.6        
913.214.112.919.0        
109.812.512.615.4        
1112.113.213.426.4        
1213.715.215.927.7        
1311.217.716.322.7        
1413.015.115.922.6        
1513.214.314.319.2        
1612.715.817.219.5        
178.117.215.921.6        
1814.915.714.418.2        
1913.115.417.117.8        
209.221.020.620.9        
2111.516.215.617.4        
2212.813.818.611.6        
2314.814.514.811.3        
2413.812.618.316.8        
2515.513.317.015.4        
2614.611.212.814.0        
2715.39.313.216.9        
2816.816.614.421.4        
2915.217.617.224.9        
3014.418.326.9        
3114.216.9     
Avg: 13.314.615.419.2* 16.9       
Hi: 16.821.020.627.7* 17.9       
Lo: 8.19.312.411.3* 15.1       
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202413.314.615.419.2* 16.9       
202312.613.016.318.222.826.629.029.127.622.617.414.2
202213.414.415.717.923.228.231.230.426.023.317.212.6
202110.513.215.916.819.426.027.228.626.621.015.813.4
202013.714.815.418.922.323.328.029.225.819.216.811.2
201911.914.416.817.818.726.429.029.126.021.615.013.8
201813.89.912.920.323.226.828.630.427.122.215.413.7
2017           * 11.0
Avg12.713.515.518.4* 20.926.228.829.526.521.616.3* 12.8