JanFebMarAprMayJunJulAugSepOctNovDec
1-3.56.440.228.352.880.479.476.283.549.247.8 
221.921.537.121.767.469.386.686.872.662.440.5 
313.111.738.523.473.479.384.1100.482.951.538.3 
414.53.034.536.879.787.577.490.072.039.637.2 
511.54.034.728.080.391.081.382.270.137.238.9 
631.814.822.219.281.380.387.285.380.138.328.1 
736.710.521.329.183.875.793.092.185.237.020.2 
834.49.224.124.467.487.189.093.080.541.018.0 
938.12.226.932.272.391.980.995.377.239.618.0 
1033.310.726.047.048.391.189.496.680.637.630.5 
111.613.633.639.853.275.184.799.780.842.523.9 
12-6.26.637.637.358.672.586.0102.772.051.718.3 
1310.529.242.531.873.580.390.883.173.451.037.9 
1423.142.440.237.080.191.895.876.771.431.655.8 
15-4.833.231.937.881.782.479.184.369.058.546.3 
1611.128.733.542.286.768.485.392.674.554.530.1 
1738.223.137.146.467.972.685.986.066.662.916.0 
1839.616.333.550.459.776.183.191.767.971.430.0 
1943.17.233.555.765.979.387.671.565.357.420.7 
2040.410.436.961.470.582.482.673.151.346.0  
2131.817.342.762.774.081.282.477.457.561.5  
2222.121.434.469.684.284.883.183.371.555.9  
2330.320.734.065.382.475.780.077.448.856.1  
2431.522.933.458.083.979.687.685.453.763.8  
2536.333.139.669.390.579.177.077.355.164.0  
2633.639.737.067.093.084.971.774.870.263.3  
2720.535.352.361.683.086.478.158.553.162.5  
2810.437.745.964.579.991.180.662.849.354.6  
2920.239.382.683.179.882.178.346.255.7  
3048.125.163.479.876.285.786.442.557.3  
3127.115.784.292.084.950.4 
Avg: 23.919.034.446.574.981.184.284.167.551.8* 31.4 
Hi: 48.142.452.382.693.091.995.8102.785.271.4* 55.8 
Lo: -6.22.215.719.248.368.471.758.542.531.6* 16.0 
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
201823.919.034.446.574.981.184.284.167.551.8* 31.4 
2017 * 36.639.056.570.279.989.178.372.059.640.227.2
Avg23.9* 27.836.751.572.680.586.681.269.755.7* 35.827.2
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