JanFebMarAprMayJunJulAugSepOctNovDec
13.56.2          
20.94.8          
30.71.6          
4-0.24.9          
51.14.6          
62.02.2          
71.95.9          
80.27.4          
91.77.1          
101.95.9          
114.83.3          
127.3           
135.6           
145.1           
155.4           
164.2           
176.2           
185.4           
195.2           
207.3           
217.0           
226.1           
233.8           
243.7           
254.6           
264.1           
273.5           
285.9           
294.5          
303.3          
315.3      
Avg: 3.9* 4.9          
Hi: 7.3* 7.4          
Lo: -0.2* 1.6          
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20263.9* 4.9          
20256.37.611.515.316.720.222.522.118.413.88.97.4
20246.28.29.111.018.817.319.020.716.413.89.98.9
20235.78.16.410.313.919.917.418.017.812.08.46.9
20227.86.310.210.415.318.120.120.015.913.810.34.2
20213.75.69.49.411.618.419.517.517.912.89.56.5
2020   * 13.215.017.017.218.016.611.310.26.6
Avg5.6* 6.89.3* 11.615.218.519.319.417.212.99.56.8