JanFebMarAprMayJunJulAugSepOctNovDec
19.59.07.116.8        
210.49.17.713.1        
310.99.211.415.2        
414.78.912.3         
515.79.215.8         
611.78.315.6         
710.88.216.1         
816.56.716.4         
913.610.113.7         
1015.013.714.2         
1112.815.012.3         
126.912.010.2         
133.710.98.1         
146.113.27.4         
156.814.65.2         
166.316.26.4         
176.312.98.8         
186.616.713.2         
198.816.316.1         
2010.617.118.5         
2113.117.118.1         
2215.212.111.9         
2311.112.210.2         
2416.915.910.3         
2513.111.911.9         
2613.610.011.3         
2714.19.611.1         
2810.68.212.3         
2911.011.3         
309.711.2         
318.711.5     
Avg: 11.011.911.9* 15.0        
Hi: 16.917.118.5* 16.8        
Lo: 3.76.75.2* 13.1        
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202511.011.911.9* 15.0        
202411.211.812.513.914.617.820.521.217.417.414.810.5
20237.68.213.012.415.220.220.220.721.219.013.211.1
20229.311.013.513.017.319.722.122.720.121.014.112.1
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
Avg9.610.6* 12.1* 13.615.518.620.721.119.517.413.211.4