JanFebMarAprMayJunJulAugSepOctNovDec
119.120.719.819.520.512.613.412.7    
221.219.624.818.117.09.314.311.3    
319.923.425.620.920.27.615.216.4    
421.821.418.622.317.613.816.114.1    
523.122.719.218.917.411.716.416.9    
633.727.923.416.116.67.911.814.4    
724.528.122.216.619.915.910.611.6    
823.423.222.119.214.515.48.212.7    
922.724.324.316.017.614.111.416.4    
1022.929.928.421.911.010.212.018.1    
1129.718.120.313.711.711.610.810.8    
1228.220.718.914.112.910.99.712.2    
1316.321.920.618.013.813.112.913.2    
1419.218.121.517.215.412.711.3     
1520.119.718.310.512.712.39.6     
1623.415.320.714.412.011.414.4     
1723.022.528.513.614.610.017.1     
1830.319.325.615.814.110.913.8     
1927.515.817.417.213.47.810.8     
2021.820.114.817.514.26.910.1     
2124.322.415.420.114.211.610.6     
2224.623.716.621.113.013.111.7     
2323.921.423.719.814.210.811.8     
2425.120.820.120.912.611.013.5     
2528.216.919.220.812.814.310.4     
2624.922.415.114.514.313.412.4     
2731.725.016.216.18.39.912.2     
2838.222.121.617.015.77.513.2     
2926.920.616.016.99.19.7     
3019.416.616.512.111.110.8     
3116.119.111.711.6   
Avg: 24.421.720.617.514.611.312.2* 13.9    
Hi: 38.229.928.522.320.515.917.1* 18.1    
Lo: 16.115.314.810.58.36.98.2* 10.8    
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201824.421.720.617.514.611.312.2* 13.9    
201722.122.022.918.113.813.010.812.213.918.922.521.4
201623.323.321.819.114.712.211.713.416.116.518.221.5
201521.423.018.916.713.811.811.211.615.619.520.122.4
201424.824.022.618.915.813.712.814.016.717.819.020.5
201324.625.223.818.116.112.714.214.017.017.818.621.9
Avg23.423.221.818.114.812.412.1* 13.215.918.119.721.6