JanFebMarAprMayJunJulAugSepOctNovDec
115.541.117.346.044.772.481.080.979.643.237.5 
235.624.02.143.560.077.186.086.366.940.146.9 
344.111.10.343.662.687.077.683.467.843.340.3 
446.0-6.210.451.053.783.373.090.081.052.432.8 
539.7-4.119.753.352.583.073.983.979.657.228.6 
631.6-2.510.349.453.884.976.691.877.761.227.0 
740.6-8.213.566.753.789.282.771.863.267.726.7 
828.8-5.325.463.556.464.884.779.058.876.051.5 
913.1-2.523.344.653.568.675.674.660.654.846.1 
1025.10.822.431.664.771.878.580.170.931.221.4 
1120.18.729.232.953.172.187.872.461.035.35.9 
1217.0-1.039.139.366.474.585.077.855.031.526.2 
1333.710.631.651.878.182.987.565.767.039.2  
1427.31.931.649.676.685.290.076.177.747.2  
1526.5-0.832.960.582.773.488.971.985.740.6  
1613.79.134.064.061.464.681.583.587.149.1  
1717.710.535.147.250.269.883.870.081.764.4  
186.48.436.756.844.372.482.773.777.159.5  
195.95.438.477.549.660.789.885.879.657.6  
205.316.246.975.260.674.379.377.084.046.5  
2111.412.947.163.359.461.976.176.865.947.0  
2219.811.439.066.554.575.279.778.670.146.4  
2327.615.847.474.265.275.780.676.077.940.6  
243.33.036.969.156.978.280.877.169.544.6  
256.7-1.231.556.570.177.884.883.562.864.4  
2620.61.639.459.255.083.386.173.961.851.1  
2736.88.251.647.960.581.089.066.355.732.5  
2813.320.843.937.872.583.682.579.755.336.2  
29-5.447.336.380.983.077.571.249.125.0  
30-9.638.842.683.379.579.172.148.431.9  
318.944.469.783.966.943.3 
Avg: 20.26.831.253.461.576.482.177.369.347.1* 32.6 
Hi: 46.041.151.677.583.389.290.091.887.176.0* 51.5 
Lo: -9.6-8.20.331.644.360.773.065.748.425.0* 5.9 
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201920.26.831.253.461.576.482.177.369.347.1* 32.6 
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* 23.2* 24.0* 40.4* 54.3* 65.3* 76.0* 83.5* 80.4* 71.7* 55.0* 40.0* 24.8
The;