JanFebMarAprMayJunJulAugSepOctNovDec
13.56.29.611.920.718.518.316.818.516.4  
20.94.811.38.612.614.816.117.714.916.8  
30.71.69.88.910.414.721.016.216.514.8  
4-0.24.910.77.613.816.019.315.317.116.9  
51.14.612.17.19.116.816.520.415.617.1  
62.02.28.112.612.315.916.115.217.913.7  
71.95.913.114.713.720.815.819.717.412.6  
80.27.412.216.013.416.325.218.215.411.3  
91.77.112.811.810.915.123.518.115.612.6  
101.95.911.69.611.715.920.116.615.610.8  
114.83.310.09.78.315.313.518.816.813.8  
127.34.68.911.812.217.718.327.619.214.3  
135.62.67.912.610.513.918.524.916.515.8  
145.14.28.312.88.712.117.918.118.115.3  
155.44.88.615.79.413.822.118.715.712.4  
164.23.99.715.711.316.019.116.214.9   
176.23.414.113.511.618.815.017.013.9   
185.43.413.311.913.819.314.317.714.4   
195.24.310.711.413.821.118.715.815.9   
207.38.817.69.717.118.116.713.115.3   
217.06.711.49.120.718.218.012.619.9   
226.110.410.69.419.121.516.216.618.6   
233.89.710.916.617.828.719.618.713.9   
243.710.811.414.518.821.221.220.614.6   
254.611.04.89.821.621.017.418.215.1   
264.111.17.415.916.616.715.621.316.3   
273.58.710.914.817.724.619.420.513.8   
285.97.16.514.317.922.322.115.015.3   
294.59.318.719.919.917.713.514.4   
303.37.617.518.920.818.315.417.6   
315.315.217.517.118.4  
Avg: 3.96.110.512.514.618.218.317.816.2* 14.3  
Hi: 7.311.117.618.721.628.725.227.619.9* 17.1  
Lo: -0.21.64.87.18.312.113.512.613.8* 10.8  
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
20263.96.110.512.514.618.218.317.816.2* 14.3  
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
Avg5.67.09.5* 11.715.118.419.119.217.0* 13.19.56.8