JanFebMarAprMayJunJulAugSepOctNovDec
1-3.56.4          
221.921.5          
313.111.7          
414.53.0          
511.54.0          
631.814.8          
736.710.5          
834.49.2          
938.12.2          
1033.310.7          
111.613.6          
12-6.26.6          
1310.529.2          
1423.142.4          
15-4.833.2          
1611.128.7          
1738.223.1          
1839.616.3          
1943.17.2          
2040.410.4          
2131.817.3          
2222.121.4          
2330.320.7          
2431.522.9          
2536.3           
2633.6           
2720.5           
2810.4           
2920.2          
3048.1          
3127.1      
Avg: 23.9* 16.1          
Hi: 48.1* 42.4          
Lo: -6.2* 2.2          
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201823.9* 16.1          
2017 * 36.639.056.570.279.989.178.372.059.640.227.2
Avg23.9* 26.339.056.570.279.989.178.372.059.640.227.2