JanFebMarAprMayJunJulAugSepOctNovDec
130.133.836.1         
231.432.737.0         
330.933.133.1         
433.232.132.4         
535.233.330.2         
635.132.431.9         
730.932.526.0         
830.333.829.8         
932.833.827.3         
1032.232.921.9         
1130.633.621.6         
1230.631.728.2         
1332.231.830.7         
1435.431.9          
1536.429.6          
1631.127.9          
1726.930.9          
1828.230.1          
1931.431.8          
2031.632.4          
2133.431.6          
2237.130.7          
2336.133.0          
2435.636.1          
2536.335.0          
2637.935.5          
2736.734.9          
2837.436.5          
2939.0          
3035.6          
3134.3      
Avg: 33.432.7* 29.7         
Hi: 39.036.5* 37.0         
Lo: 26.927.9* 21.6         
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202533.432.7* 29.7         
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
Avg33.232.0* 29.525.521.4* 18.1* 17.8* 19.723.326.629.431.9