JanFebMarAprMayJunJulAugSepOctNovDec
133.235.132.329.526.016.820.820.624.3   
232.332.434.131.825.819.619.120.424.8   
331.831.232.331.226.919.618.920.328.7   
430.633.029.531.226.917.119.320.725.2   
532.635.835.129.724.311.718.719.730.5   
633.437.237.128.525.717.717.919.825.8   
733.837.235.130.820.420.319.718.624.6   
834.834.031.332.718.621.218.720.624.3   
933.724.831.733.623.422.218.315.822.6   
1034.033.333.833.224.923.318.814.324.2   
1136.135.933.231.525.116.218.218.724.8   
1233.635.435.122.924.622.417.715.224.5   
1336.326.935.023.723.922.416.717.726.1   
1436.628.432.126.724.220.314.721.326.6   
1535.829.932.127.824.623.117.921.927.8   
1635.531.133.329.024.123.318.422.325.3   
1736.232.831.728.525.422.320.020.923.6   
1832.133.730.226.920.819.620.221.025.8   
1929.937.028.326.717.816.721.721.728.6   
2030.435.731.126.117.817.722.923.231.1   
2130.735.431.925.622.118.021.021.931.8   
2233.835.631.526.122.316.219.116.030.7   
2335.734.630.025.624.717.819.422.8    
2435.934.229.926.323.418.816.624.4    
2537.833.630.426.223.020.618.224.1    
2639.633.832.626.024.720.220.021.2    
2738.633.818.926.220.320.220.522.9    
2839.932.726.225.815.319.619.922.8    
2937.428.626.815.621.318.422.6    
3034.228.625.216.719.118.223.4    
3135.930.518.219.224.4  
Avg: 34.633.431.428.122.519.519.020.7* 26.4   
Hi: 39.937.237.133.626.923.322.924.4* 31.8   
Lo: 29.924.818.922.915.311.714.714.3* 22.6   
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202634.633.431.428.122.519.519.020.7* 26.4   
202533.432.728.725.022.017.016.918.622.729.430.032.4
202433.232.630.224.921.816.415.921.523.526.330.733.3
202333.232.330.824.319.718.218.621.725.728.828.933.5
202231.729.328.025.320.716.316.318.220.623.625.529.0
202130.730.727.323.420.216.115.919.621.625.826.030.3
202035.130.127.924.819.418.116.917.922.826.631.429.6
201936.434.131.627.121.518.719.220.525.228.831.635.7
201835.133.030.927.822.018.518.418.923.226.829.333.2
201734.334.128.023.521.118.717.419.524.126.127.832.7
201835.133.030.927.822.018.518.418.923.226.829.333.2
201734.334.128.023.521.118.717.419.524.126.127.832.7
201630.332.930.827.723.520.921.021.321.023.429.232.7
201530.529.7* 29.622.820.4* 17.9* 15.518.321.128.430.030.0
201432.732.228.025.520.917.716.918.421.727.832.631.7
201335.230.129.527.323.217.218.719.425.426.528.431.0
201230.731.430.526.624.120.119.321.125.428.331.733.2
2011      * 18.8* 20.724.025.830.928.6
Avg33.332.1* 29.525.621.5* 18.2* 17.8* 19.7* 23.426.829.531.9