JanFebMarAprMayJunJulAugSepOctNovDec
17.56.910.417.617.718.218.816.420.520.7  
21.59.412.016.715.418.516.921.522.718.6  
31.210.310.016.810.016.420.520.817.415.7  
42.311.312.410.010.615.619.422.322.112.2  
51.77.015.49.713.817.419.918.221.814.4  
63.711.214.716.913.316.717.122.720.121.2  
73.26.213.315.016.015.117.623.321.715.6  
83.54.417.411.718.317.222.520.822.0   
93.24.217.211.620.615.525.621.221.8   
102.43.47.920.824.016.226.323.620.1   
112.64.77.219.423.223.029.823.118.5   
127.54.64.521.822.520.732.230.018.1   
1312.75.67.113.015.625.528.629.019.3   
1412.93.86.914.016.015.323.223.516.9   
1515.73.69.112.815.521.222.321.215.8   
1611.73.79.19.416.322.923.521.016.3   
1714.23.97.711.916.619.627.621.316.1   
1810.23.09.411.911.918.827.221.220.1   
196.25.411.310.813.222.524.316.919.3   
208.813.612.813.618.627.921.217.513.8   
217.113.613.614.414.724.020.415.811.9   
225.312.612.715.912.824.022.615.814.9   
233.312.28.014.914.417.922.121.916.1   
248.610.813.013.420.718.620.125.118.3   
254.610.013.113.716.619.622.627.019.1   
264.17.314.815.916.720.121.927.018.1   
276.49.115.421.317.223.921.024.116.3   
286.210.611.018.617.722.819.122.915.8   
295.89.422.420.722.021.023.116.9   
304.410.523.716.829.524.523.721.1   
317.517.720.816.822.7  
Avg: 6.37.611.515.316.720.222.522.118.4* 16.9  
Hi: 15.713.617.723.724.029.532.230.022.7* 21.2  
Lo: 1.23.04.59.410.015.116.815.811.9* 12.2  
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20256.37.611.515.316.720.222.522.118.4* 16.9  
20246.28.29.111.018.817.319.020.716.413.89.98.9
20235.78.16.410.313.919.917.418.017.812.08.46.9
20227.86.310.210.415.318.120.120.015.913.810.34.2
20213.75.69.49.411.618.419.517.517.912.89.56.5
2020   * 13.215.017.017.218.016.611.310.26.6
Avg5.97.29.3* 11.615.218.519.319.417.2* 13.49.66.6