JanFebMarAprMayJunJulAugSepOctNovDec
111.4           
24.9           
35.0           
42.8           
53.7           
69.3           
710.8           
89.8           
95.9           
107.4           
118.8           
1210.3           
1312.2           
149.5           
159.8           
1610.2           
175.5           
186.4           
196.5           
204.6           
21            
22            
23            
24            
25            
26            
27            
28            
29           
30           
31       
Avg: * 7.7           
Hi: * 12.2           
Lo: * 2.8           
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
2019* 7.7           
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
Avg* 8.98.711.215.118.822.325.022.8* 20.316.111.610.3