JanFebMarAprMayJunJulAugSepOctNovDec
136.528.742.665.481.682.693.287.671.6   
239.128.157.370.862.987.194.290.772.1   
344.628.060.278.555.295.5102.490.670.6   
442.210.961.772.160.2102.793.091.277.6   
537.49.951.967.055.9100.992.985.283.3   
633.5-4.659.854.667.583.268.184.692.3   
734.0-5.855.062.259.495.373.186.877.7   
833.3-0.962.268.946.681.482.599.775.5   
932.61.750.555.959.488.777.482.981.9   
1039.6-3.137.767.960.693.487.790.788.8   
1140.3-11.735.347.865.583.088.389.669.7   
1249.9-6.957.134.872.184.985.478.874.3   
1347.7-14.063.827.972.487.285.985.970.6   
1438.6-3.150.935.575.188.385.597.274.2   
1526.86.134.640.279.691.188.999.085.1   
1639.58.934.943.879.689.988.8100.374.3   
1731.613.243.456.679.687.292.3100.770.1   
1829.815.347.446.878.480.495.999.282.6   
1931.330.058.737.884.785.298.782.882.7   
2039.243.967.735.882.571.594.768.669.6   
2129.544.758.256.170.968.894.076.271.3   
2225.851.158.763.050.585.8100.980.4    
2331.142.556.740.668.597.096.585.6    
2421.137.344.252.778.386.489.776.5    
2514.646.158.241.366.770.796.171.7    
263.548.044.052.251.277.799.063.4    
2712.728.740.567.250.577.988.175.2    
2818.935.763.372.161.180.489.979.6    
2923.863.170.067.285.080.981.5    
3024.226.275.374.690.986.982.6    
3121.238.978.088.381.2  
Avg: 31.418.251.155.467.686.089.785.4* 76.9   
Hi: 49.951.167.778.584.7102.7102.4100.7* 92.3   
Lo: 3.5-14.026.227.946.668.868.163.4* 69.6   
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202131.418.251.155.467.686.089.785.4* 76.9   
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* 23.6* 24.1* 41.2* 54.2* 65.4* 76.8* 83.9* 80.9* 72.0* 54.6* 40.7* 25.5
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