JanFebMarAprMayJunJulAugSepOctNovDec
115.541.117.3         
235.624.02.1         
344.111.10.3         
446.0-6.210.4         
539.7-4.119.7         
631.6-2.510.3         
740.6-8.213.5         
828.8-5.325.4         
913.1-2.523.3         
1025.10.822.4         
1120.18.729.2         
1217.0-1.039.1         
1333.710.631.6         
1427.31.931.6         
1526.5-0.832.9         
1613.79.134.0         
1717.710.535.1         
186.48.4          
195.95.4          
205.316.2          
2111.412.9          
2219.811.4          
2327.615.8          
243.33.0          
256.7-1.2          
2620.61.6          
2736.88.2          
2813.320.8          
29-5.4          
30-9.6          
318.9      
Avg: 20.26.8* 22.2         
Hi: 46.041.1* 39.1         
Lo: -9.6-8.2* 0.3         
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201920.26.8* 22.2         
201823.919.034.446.574.981.184.284.167.551.831.731.8
2017 * 36.639.056.570.279.989.178.372.059.640.227.2
Avg22.1* 20.8* 31.951.572.680.586.681.269.755.735.929.5
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