JanFebMarAprMayJunJulAugSepOctNovDec
15.26.8          
24.98.6          
38.95.0          
46.38.9          
55.94.4          
64.33.3          
73.73.1          
86.47.2          
96.07.7          
106.47.2          
119.86.7          
127.15.0          
136.74.3          
146.65.1          
157.25.8          
162.78.1          
175.87.3          
186.36.4          
193.96.4          
205.211.7          
214.210.2          
227.47.0          
2311.15.3          
248.16.5          
258.6           
269.2           
2711.4           
2811.2           
2910.6          
306.7          
315.8      
Avg: 6.9* 6.6          
Hi: 11.4* 11.7          
Lo: 2.7* 3.1          
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20186.9* 6.6          
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
Avg6.9* 7.89.811.114.016.018.318.316.613.6* 9.77.8