JanFebMarAprMayJunJulAugSepOctNovDec
111.41.711.317.315.424.621.425.820.618.915.17.4
24.94.413.111.115.621.423.027.720.514.913.56.3
35.08.211.910.014.719.824.423.321.115.413.69.2
42.811.210.37.313.220.427.225.519.716.412.67.2
53.79.911.610.914.418.126.424.218.417.812.210.6
69.311.112.113.214.418.727.122.017.917.210.713.0
710.810.211.815.916.919.625.223.418.515.711.111.3
89.810.510.617.215.316.924.022.519.817.18.812.4
95.910.613.510.714.818.726.122.315.015.48.99.9
107.48.310.914.216.413.826.120.818.816.69.7 
118.89.711.314.917.314.924.221.619.216.49.7 
1210.311.39.612.918.417.325.920.421.713.79.6 
1312.211.611.310.819.814.124.921.422.616.29.3 
149.513.613.410.821.018.224.018.124.911.96.6 
159.813.414.214.322.018.425.321.725.816.88.6 
1610.211.311.714.320.119.225.217.620.716.18.7 
175.512.110.419.314.619.823.922.220.715.48.8 
186.49.810.423.116.617.622.921.220.814.78.6 
196.511.512.624.420.119.518.320.723.015.49.4 
204.612.112.925.318.916.624.021.322.612.68.4 
217.112.413.725.921.521.323.222.423.213.78.7 
226.810.311.024.821.723.726.423.619.316.49.7 
234.516.912.922.623.223.532.825.718.314.610.6 
246.116.614.314.421.826.328.429.919.913.611.2 
2512.118.813.814.622.824.832.130.818.816.212.7 
2610.117.714.615.019.424.025.030.319.315.913.6 
278.117.315.212.818.326.423.427.117.911.711.4 
286.512.516.415.217.529.623.822.118.410.410.9 
297.217.917.615.132.525.521.218.110.78.0 
305.119.817.422.423.520.622.218.011.57.9 
314.613.620.223.120.711.6 
Avg: 7.511.612.815.918.220.825.023.220.114.910.3* 9.7
Hi: 12.218.819.825.923.232.532.830.825.818.915.1* 13.0
Lo: 2.81.79.67.313.213.818.317.615.010.46.6* 6.3
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20197.511.612.815.918.220.825.023.220.114.910.3* 9.7
20189.77.39.314.920.423.827.323.320.015.611.910.5
20177.79.713.515.619.222.623.121.718.416.511.68.7
20169.69.511.314.219.621.424.124.221.815.710.310.0
20159.68.211.716.917.622.122.821.919.615.813.413.6
201410.310.613.716.018.623.426.021.922.017.012.29.6
20137.57.17.613.017.320.626.924.220.517.410.610.4
2012        * 19.715.010.89.2
Avg8.89.111.415.218.722.125.022.9* 20.316.011.4* 10.2