Avg 
|
Min
|
Max
|
Range
|
|
|---|---|---|---|---|
| January | 1020.300 | 976.9 | 1043.2 | 66.3 |
| February | 1018.322 | 983.9 | 1040.4 | 56.5 |
| March | 1016.673 | 977.9 | 1041.2 | 63.3 |
| April | 1015.662 | 993.7 | 1036.1 | 42.4 |
| May | 1017.556 | 992.8 | 1033.6 | 40.8 |
| June | 1017.506 | 1000.9 | 1031.0 | 30.1 |
| July | 1017.687 | 1005.8 | 1030.3 | 24.5 |
| August | 1018.015 | 1002.5 | 1030.0 | 27.5 |
| September | 1018.024 | 992.0 | 1030.6 | 38.6 |
| October | 1016.529 | 996.3 | 1032.2 | 35.9 |
| November | 1016.473 | 985.7 | 1082.0 | 96.3 |
| December | 1024.214 | 979.1 | 1042.8 | 63.7 |