JanFebMarAprMayJunJulAugSepOctNovDec
143.648.252.543.557.873.876.8     
233.837.134.349.453.678.075.3     
322.836.829.854.952.380.778.7     
423.737.723.058.758.971.771.5     
524.437.621.060.470.371.976.4     
623.035.925.162.560.072.676.7     
720.532.424.143.858.275.776.3     
816.831.637.052.365.875.380.9     
921.327.248.662.271.976.082.6     
1021.825.458.356.971.172.384.8     
11-1.238.358.755.279.681.286.0     
12-7.437.657.565.471.383.990.8     
13-15.135.956.679.073.876.087.6     
14-11.828.338.971.274.383.487.4     
15-6.624.957.164.359.187.778.1     
169.618.642.048.676.475.780.9     
177.240.026.649.584.172.580.9     
18-0.442.264.236.466.055.586.0     
193.245.247.533.865.767.786.9     
209.249.825.748.165.571.588.2     
2121.757.024.962.769.065.785.3     
2222.852.727.663.069.476.386.9     
2324.140.021.660.661.583.784.7     
2433.551.822.668.952.685.986.7     
2527.134.426.075.267.082.694.8     
2641.260.918.153.566.573.9      
2746.315.724.156.169.669.7      
2846.920.239.642.667.975.2      
2947.946.337.357.577.367.9      
3052.933.748.370.773.3      
3155.239.270.3    
Avg: 21.237.636.956.267.075.2* 82.8     
Hi: 55.260.964.279.084.187.7* 94.8     
Lo: -15.115.718.133.852.355.5* 71.5     
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202421.237.636.956.267.075.2* 82.8     
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* 23.4* 25.1* 40.2* 53.5* 65.9* 77.0* 83.7* 81.0* 72.3* 55.1* 40.6* 25.6
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