JanFebMarAprMayJunJulAugSepOctNovDec
133.235.132.329.526.016.820.820.6    
232.332.434.131.825.819.619.120.4    
331.831.232.331.226.919.618.920.3    
430.633.029.531.226.917.119.320.7    
532.635.835.129.724.311.718.719.7    
633.437.237.128.525.717.717.919.8    
733.837.235.130.820.420.319.718.6    
834.834.031.332.718.621.218.7     
933.724.831.733.623.422.218.3     
1034.033.333.833.224.923.318.8     
1136.135.933.231.525.116.218.2     
1233.635.435.122.924.622.417.7     
1336.326.935.023.723.922.416.7     
1436.628.432.126.724.220.314.7     
1535.829.932.127.824.623.117.9     
1635.531.133.329.024.123.318.4     
1736.232.831.728.525.422.320.0     
1832.133.730.226.920.819.620.2     
1929.937.028.326.717.816.721.7     
2030.435.731.126.117.817.722.9     
2130.735.431.925.622.118.021.0     
2233.835.631.526.122.316.219.1     
2335.734.630.025.624.717.819.4     
2435.934.229.926.323.418.816.6     
2537.833.630.426.223.020.618.2     
2639.633.832.626.024.720.220.0     
2738.633.818.926.220.320.220.5     
2839.932.726.225.815.319.619.9     
2937.428.626.815.621.318.4     
3034.228.625.216.719.118.2     
3135.930.518.219.2   
Avg: 34.633.431.428.122.519.519.0* 20.0    
Hi: 39.937.237.133.626.923.322.9* 20.7    
Lo: 29.924.818.922.915.311.714.7* 18.6    
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202634.633.431.428.122.519.519.0* 20.0    
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* 19.723.326.829.531.9