JanFebMarAprMayJunJulAugSepOctNovDec
121.19.614.37.013.519.617.2     
218.010.012.77.414.019.119.4     
316.410.110.96.614.418.819.1     
415.710.09.96.814.618.317.9     
58.59.38.98.114.818.920.2     
65.87.88.79.614.018.920.3     
79.010.110.314.914.919.1      
811.610.811.915.515.518.4      
911.615.012.911.917.218.9      
1012.812.713.815.917.918.9      
1110.910.314.621.916.419.8      
127.29.912.918.916.519.9      
137.414.211.914.917.520.8      
149.010.013.014.218.522.1      
158.610.619.913.222.922.8      
167.113.015.613.321.824.7      
176.214.111.113.523.327.2      
185.311.310.114.321.227.5      
198.99.514.411.618.721.4      
209.09.716.310.318.118.5      
216.311.516.710.820.019.0      
224.111.014.614.720.819.2      
235.610.514.612.616.519.4      
2410.510.514.813.614.719.3      
2510.510.015.313.915.816.7      
268.111.015.616.415.816.1      
277.013.616.814.317.516.1      
287.912.518.713.717.718.6      
295.615.014.417.617.7      
305.012.014.317.415.0      
317.79.918.0    
Avg: 9.311.013.513.017.319.7* 19.0     
Hi: 21.115.019.921.923.327.5* 20.3     
Lo: 4.17.88.76.613.515.0* 17.2     
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20229.311.013.513.017.319.7* 19.0     
20218.813.812.713.614.918.619.520.020.416.611.012.6
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
Avg9.510.6* 12.013.615.618.5* 20.521.019.516.812.911.4