JanFebMarAprMayJunJulAugSepOctNovDec
115.915.219.821.1        
216.515.812.020.5        
318.313.815.618.4        
415.717.220.918.5        
517.917.217.120.4        
616.218.320.121.8        
715.716.317.325.6        
816.116.915.526.8        
918.418.513.227.9        
1012.419.616.526.7        
1118.019.317.424.5        
1218.418.114.722.1        
1315.018.914.823.0        
1413.620.116.420.5        
1515.518.816.516.9        
1615.218.916.318.3        
1714.616.616.821.9        
1817.319.618.220.7        
1914.820.421.618.7        
2011.923.217.620.4        
2117.621.116.222.1        
2219.318.515.124.5        
2317.019.313.626.6        
2414.021.017.631.0        
250.017.220.228.4        
260.019.721.826.7        
2715.517.520.828.6        
2815.712.423.6         
2910.324.725.9        
3010.321.318.8        
3114.526.1     
Avg: 14.618.218.0* 23.0        
Hi: 19.323.226.1* 31.0        
Lo: 0.012.412.0* 16.9        
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202514.618.218.0* 23.0        
202417.418.719.724.628.430.136.236.629.923.821.417.1
202315.217.823.228.728.132.836.838.329.827.2* 20.015.8
202216.920.218.021.429.932.638.634.830.828.4* 21.017.9
2021* 14.517.821.323.428.230.835.835.531.0* 27.818.217.7
2020           * 12.7
Avg* 15.718.520.0* 24.228.731.636.836.330.4* 26.8* 20.2* 16.2