JanFebMarAprMayJunJulAugSepOctNovDec
119.120.719.819.5        
221.219.624.818.1        
319.923.425.620.9        
421.821.418.622.3        
523.122.719.218.9        
633.727.923.416.1        
724.528.122.216.6        
823.423.222.119.2        
922.724.324.316.0        
1022.929.928.421.9        
1129.718.120.313.7        
1228.220.718.914.1        
1316.321.920.618.0        
1419.218.121.517.2        
1520.119.718.310.5        
1623.415.320.714.4        
1723.022.528.513.6        
1830.319.325.615.8        
1927.515.817.417.2        
2021.820.114.817.5        
2124.322.415.420.1        
2224.623.716.621.1        
2323.921.423.719.8        
2425.120.820.120.9        
2528.216.919.220.8        
2624.922.415.1         
2731.725.016.2         
2838.222.121.6         
2926.920.6         
3019.416.6         
3116.119.1     
Avg: 24.421.720.6* 17.8        
Hi: 38.229.928.5* 22.3        
Lo: 16.115.314.8* 10.5        
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201824.421.720.6* 17.8        
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
Avg23.423.221.8* 18.114.812.712.113.015.918.119.721.6