JanFebMarAprMayJunJulAugSepOctNovDec
132.435.131.830.727.523.123.821.723.426.2  
229.433.332.730.727.425.423.721.326.826.3  
330.526.932.727.328.925.926.922.329.026.9  
432.231.832.831.030.122.224.324.233.427.9  
532.033.830.929.229.020.022.325.128.729.4  
633.933.132.530.527.223.420.724.731.526.8  
733.532.029.732.526.423.623.025.826.628.8  
833.933.824.534.825.025.422.324.424.723.2  
933.434.422.731.827.822.822.923.026.227.2  
1033.334.733.231.526.718.822.023.322.229.9  
1134.733.733.732.325.420.922.423.222.730.8  
1228.434.535.032.424.025.423.524.124.330.4  
1334.227.135.430.724.524.423.325.325.429.4  
1434.124.928.929.320.523.923.224.326.325.8  
1534.421.229.530.326.425.321.522.726.521.8  
1634.328.229.930.825.725.819.522.926.224.0  
1734.431.532.030.726.223.420.420.524.922.9  
1831.033.232.032.221.521.722.121.025.4   
1929.933.825.729.421.024.223.523.130.4   
2030.434.530.629.925.425.722.923.830.4   
2131.533.532.230.923.922.522.423.731.3   
2234.232.630.028.023.823.822.220.028.5   
2330.432.431.828.324.422.723.724.526.5   
2432.232.929.925.425.423.224.024.426.5   
2535.433.232.819.327.221.922.326.426.0   
2638.131.733.726.426.019.222.926.926.3   
2731.731.428.425.023.923.4 25.728.0   
2833.831.229.725.620.820.124.526.024.5   
2931.930.827.321.923.224.924.223.4   
3032.030.326.521.823.023.024.525.4   
3134.423.523.521.724.5  
Avg: 32.831.830.629.425.123.1* 22.923.826.7* 26.9  
Hi: 38.135.135.434.830.125.9* 26.926.933.4* 30.8  
Lo: 28.421.222.719.320.518.8* 19.520.022.2* 21.8  
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202632.831.830.629.425.123.1* 22.923.826.7* 26.9  
202531.731.629.128.025.321.922.723.327.130.430.731.7
202431.231.429.228.424.522.921.425.027.027.829.331.2
202331.532.131.927.824.523.923.125.226.828.328.532.5
202230.029.529.727.423.821.620.022.724.726.429.028.9
202130.630.628.826.624.221.721.724.125.328.526.130.1
202031.830.829.729.224.322.822.323.826.328.329.830.7
201932.331.331.326.924.922.523.323.827.227.131.032.5
201832.330.129.127.924.822.323.124.324.826.330.030.2
201731.932.830.926.424.722.722.924.727.727.027.431.5
201629.530.829.127.526.221.322.423.125.427.430.630.5
201530.028.529.525.623.920.820.222.823.826.628.928.8
201429.629.228.127.524.022.321.421.524.226.728.629.7
201330.127.827.726.022.520.421.024.126.627.927.929.0
201228.229.327.525.623.120.220.422.525.126.327.629.8
2011  * 28.125.322.520.220.721.724.425.128.726.9
Avg30.930.5* 29.427.224.321.9* 21.823.525.8* 27.328.930.3