JanFebMarAprMayJunJulAugSepOctNovDec
118.637.022.9         
218.720.640.6         
322.335.446.6         
430.240.056.5         
540.154.329.9         
641.738.532.0         
745.640.8          
835.749.3          
930.045.4          
1023.443.8          
1144.948.1          
1245.548.5          
1343.454.5          
1429.349.4          
1540.255.0          
1627.651.4          
1711.043.0          
1824.832.4          
197.64.7          
2018.26.1          
2124.04.7          
226.811.2          
23-11.131.6          
241.937.2          
25-5.636.2          
2616.748.3          
2710.738.3          
2816.815.6          
2919.7          
307.5          
3137.3      
Avg: 23.336.5* 38.1         
Hi: 45.655.0* 56.5         
Lo: -11.14.7* 22.9         
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202623.336.5* 38.1         
202521.417.947.756.469.275.882.980.275.659.742.526.3
202421.237.636.956.267.075.283.879.081.165.138.929.8
202322.227.625.447.174.281.080.980.174.254.342.437.4
202223.226.441.043.865.178.283.784.275.860.231.915.5
202131.418.251.155.467.686.089.785.478.160.245.324.8
202022.631.344.152.165.681.684.585.471.647.947.734.9
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* 23.3* 25.3* 40.5* 53.6* 66.1* 77.0* 83.7* 80.9* 72.9* 55.8* 40.6* 25.8
The;