JanFebMarAprMayJunJulAugSepOctNovDec
1-3.5           
221.9           
313.1           
414.5           
511.5           
631.8           
736.7           
834.4           
938.1           
1033.3           
111.6           
12-6.2           
1310.5           
1423.1           
15-4.8           
1611.1           
17            
18            
19            
20            
21            
22            
23            
24            
25            
26            
27            
28            
29           
30           
31       
Avg: * 16.7           
Hi: * 38.1           
Lo: * -6.2           
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
2018* 16.7           
2017 * 36.639.056.570.279.989.178.372.059.640.227.2
Avg* 16.7* 36.639.056.570.279.989.178.372.059.640.227.2