JanFebMarAprMayJunJulAugSepOctNovDec
139.147.538.640.2        
235.143.043.916.8        
331.827.640.524.5        
443.326.954.0         
539.733.139.6         
635.425.946.1         
722.816.557.7         
814.234.537.5         
922.433.035.6         
105.627.743.0         
1110.437.351.9         
1214.529.640.6         
1318.95.829.4         
142.035.127.3         
15-7.232.130.8         
164.823.830.7         
1726.827.141.9         
180.913.834.0         
19-0.77.922.6         
2012.732.327.1         
2135.643.140.8         
2231.547.445.7         
2324.038.656.1         
2418.833.059.2         
2531.529.338.4         
2633.822.948.9         
2728.338.957.9         
2838.045.459.6         
2926.548.860.0         
3025.664.9         
3135.061.4     
Avg: 22.631.344.1* 27.2        
Hi: 43.348.864.9* 40.2        
Lo: -7.25.822.6* 16.8        
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202022.631.344.1* 27.2        
201920.26.831.253.461.576.482.177.369.347.136.426.3
201823.919.034.446.574.981.184.284.167.551.831.731.8
201719.630.639.056.570.279.989.178.372.059.640.227.2
201623.936.9* 51.654.9* 69.979.2* 82.481.670.858.551.518.9
2015* 26.020.5* 49.257.564.3* 76.482.083.5* 78.059.943.6* 27.4
201423.417.8* 34.751.5* 64.571.979.0* 77.070.5* 58.628.827.2
2013* 22.128.930.2* 43.6* 65.774.281.3* 82.774.150.3* 36.215.0
2012* 33.232.756.5* 58.867.078.2* 87.780.574.7* 51.8* 36.822.2
2011* 15.020.3* 27.447.3* 61.3* 72.482.3* 79.170.5* 57.9* 42.233.0
201017.1* 18.139.859.4* 64.774.081.282.165.5* 58.336.516.9
200916.920.629.249.966.6* 72.0* 76.577.6* 76.644.550.2* 15.3
200823.825.441.754.964.773.383.382.469.156.438.416.6
200728.418.447.453.4* 53.478.487.978.972.557.841.626.6
200634.729.040.663.169.879.191.084.368.051.741.635.0
200519.535.742.959.763.377.185.180.675.458.641.927.9
2004  * 50.858.262.672.081.375.772.257.047.131.2
Avg* 23.1* 24.5* 40.6* 52.7* 65.3* 76.0* 83.5* 80.4* 71.7* 55.0* 40.3* 24.9
The;