JanFebMarAprMayJunJulAugSepOctNovDec
130.831.4          
227.830.2          
330.130.5          
430.031.5          
530.128.9          
630.731.0          
731.431.6          
830.8           
930.3           
1030.7           
1128.7           
1228.6           
1330.5           
1432.0           
1534.4           
1638.0           
1731.6           
1830.8           
1930.1           
2030.0           
2132.2           
2237.5           
2332.5           
2435.3           
2531.3           
2633.1           
2730.7           
2832.7           
2932.7          
3032.9          
3133.4      
Avg: 31.7* 30.7          
Hi: 38.0* 31.6          
Lo: 27.8* 28.9          
Note:  *Incomplete dataset.
AvgJanFebMarAprMayJunJulAugSepOctNovDec
202531.7* 30.7          
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
Avg30.8* 30.4* 29.327.024.121.821.723.525.727.128.830.2