JanFebMarAprMayJunJulAugSepOctNovDec
119.120.719.819.520.512.6      
221.219.624.818.117.09.3      
319.923.425.620.920.27.6      
421.821.418.622.317.613.8      
523.122.719.218.917.411.7      
633.727.923.416.116.67.9      
724.528.122.216.619.915.9      
823.423.222.119.214.515.4      
922.724.324.316.017.614.1      
1022.929.928.421.911.010.2      
1129.718.120.313.711.711.6      
1228.220.718.914.112.910.9      
1316.321.920.618.013.813.1      
1419.218.121.517.215.412.7      
1520.119.718.310.512.712.3      
1623.415.320.714.412.011.4      
1723.022.528.513.614.610.0      
1830.319.325.615.814.110.9      
1927.515.817.417.213.47.8      
2021.820.114.817.514.26.9      
2124.322.415.420.114.211.6      
2224.623.716.621.113.0       
2323.921.423.719.814.2       
2425.120.820.120.912.6       
2528.216.919.220.812.8       
2624.922.415.114.514.3       
2731.725.016.216.18.3       
2838.222.121.617.015.7       
2926.920.616.016.9       
3019.416.616.512.1       
3116.119.111.7    
Avg: 24.421.720.617.514.6* 11.3      
Hi: 38.229.928.522.320.5* 15.9      
Lo: 16.115.314.810.58.3* 6.9      
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201824.421.720.617.514.6* 11.3      
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
Avg23.423.221.818.114.8* 12.412.113.015.918.119.721.6