| Other Years | |||||||||||||
| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| Day | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1 | 1012.0 | 993.8 | 1026.9 | 1020.0 | 1016.9 | 1012.3 | 1019.0 | 1013.2 | 1028.4 | 1011.3 | 997.0 | 1007.8 |
| 2 | 1017.4 | 992.8 | 1025.1 | 1026.5 | 1020.4 | 1010.9 | 1015.6 | 1015.2 | 1025.6 | 999.5 | 1000.5 | 1014.6 |
| 3 | 1016.9 | 997.9 | 1024.1 | 1030.5 | 1012.0 | 1018.3 | 1010.5 | 1013.3 | 1020.7 | 999.7 | 1007.4 | 1005.4 |
| 4 | 1018.6 | 1004.9 | 1024.3 | 1025.7 | 1007.0 | 1023.5 | 1007.3 | 1011.8 | 1016.7 | 1003.9 | 1018.4 | 1003.8 |
| 5 | 1020.1 | 1006.6 | 1029.0 | 1022.0 | 1011.5 | 1024.0 | 999.2 | 1003.7 | 1019.0 | 1009.3 | 1027.1 | 1013.0 |
| 6 | 1019.4 | 1005.9 | 1030.6 | 1024.0 | 1008.9 | 1024.3 | 999.0 | 999.8 | 1021.8 | 1020.5 | 1026.8 | 1012.9 |
| 7 | 1018.2 | 1004.0 | 1026.8 | 1025.1 | 1012.3 | 1023.8 | 1012.3 | 1000.3 | 1016.4 | 1024.5 | 1024.9 | 999.1 |
| 8 | 1017.7 | 1002.5 | 1023.8 | 1021.2 | 1001.5 | 1023.1 | 1020.2 | 1007.8 | 1010.1 | 1027.1 | 1023.7 | 996.9 |
| 9 | 1023.5 | 999.8 | 1018.1 | 1014.7 | 994.3 | 1021.8 | 1019.7 | 1012.4 | 1007.0 | 1027.7 | 1022.5 | 1000.7 |
| 10 | 1026.2 | 1009.9 | 1004.5 | 1013.0 | 997.6 | 1020.7 | 1015.2 | 1016.5 | 1012.7 | 1030.3 | 1021.9 | 1006.4 |
| 11 | 1021.5 | 1016.9 | 1002.3 | 1021.1 | 1004.7 | 1021.3 | 1012.6 | 1017.6 | 1018.2 | 1031.4 | 1019.2 | 1016.1 |
| 12 | 1018.7 | 1019.4 | 1002.3 | 1029.3 | 1007.3 | 1024.8 | 1012.6 | 1018.1 | 1018.3 | 1028.2 | 1013.7 | 1018.4 |
| 13 | 1021.1 | 1020.8 | 1004.4 | 1031.0 | 1008.3 | 1024.9 | 1018.1 | 1021.2 | 1015.0 | 1027.6 | 1018.9 | 1021.1 |
| 14 | 1021.3 | 1015.5 | 1017.6 | 1030.6 | 1006.1 | 1022.7 | 1022.0 | 1019.2 | 1012.0 | 1024.0 | 1024.3 | 1026.3 |
| 15 | 1025.8 | 1013.2 | 1025.3 | 1030.8 | 1000.2 | 1020.1 | 1024.5 | 1014.0 | 1015.7 | 1020.0 | 1026.1 | 1030.7 |
| 16 | 1019.9 | 1008.3 | 1031.8 | 1029.3 | 998.3 | 1013.4 | 1026.8 | 1020.7 | 1017.6 | 1018.3 | 1023.0 | 1035.0 |
| 17 | 1025.7 | 1002.7 | 1033.8 | 1027.6 | 1007.9 | 1013.0 | 1027.8 | 1023.7 | 1013.0 | 1014.7 | 1025.9 | 1035.2 |
| 18 | 1019.6 | 1000.6 | 1030.0 | 1024.1 | 1014.5 | 1015.5 | 1024.8 | 1020.0 | 1012.8 | 1013.0 | 1030.4 | 1033.0 |
| 19 | 1003.0 | 1000.9 | 1028.8 | 1019.8 | 1019.4 | 1011.4 | 1021.4 | 1015.6 | 1017.4 | 1009.1 | 1029.9 | 1029.9 |
| 20 | 985.4 | 996.5 | 1031.9 | 1016.8 | 1011.7 | 1006.4 | 1020.3 | 1014.7 | 1025.4 | 996.3 | 1024.3 | 1023.8 |
| 21 | 987.8 | 1004.9 | 1029.3 | 1018.2 | 1001.6 | 1012.5 | 1022.3 | 1015.2 | 1030.3 | 1011.8 | 1022.5 | 1018.9 |
| 22 | 993.3 | 1012.9 | 1026.2 | 1021.9 | 1006.8 | 1021.3 | 1020.4 | 1022.0 | 1028.2 | 1023.6 | 1028.9 | 1012.3 |
| 23 | 995.5 | 1015.9 | 1022.5 | 1022.2 | 1005.8 | 1024.6 | 1013.1 | 1027.4 | 1023.1 | 1021.2 | 1030.5 | 1005.9 |
| 24 | 999.8 | 1018.4 | 1019.9 | 1021.7 | 1006.8 | 1023.7 | 1007.3 | 1027.5 | 1018.0 | 1015.2 | 1022.0 | 1001.4 |
| 25 | 1010.3 | 1027.8 | 1016.3 | 1022.7 | 1016.6 | 1020.0 | 1010.0 | 1024.8 | 1013.3 | 1015.6 | 1018.0 | 997.4 |
| 26 | 1012.7 | 1036.8 | 1012.1 | 1018.4 | 1017.2 | 1016.5 | 1011.7 | 1022.2 | 1007.7 | 1017.8 | 1006.8 | 997.1 |
| 27 | 1009.8 | 1038.2 | 1020.7 | 1010.9 | 1019.4 | 1013.5 | 1009.3 | 1023.1 | 1009.4 | 1014.4 | 1004.7 | 988.7 |
| 28 | 1003.0 | 1032.7 | 1022.1 | 1007.2 | 1021.3 | 1013.5 | 1010.6 | 1025.6 | 1013.5 | 1002.1 | 1010.3 | 996.9 |
| 29 | 999.5 | 1025.2 | 1012.1 | 1024.4 | 1016.2 | 1005.9 | 1024.9 | 1021.2 | 994.4 | 1015.4 | 1005.8 | |
| 30 | 991.3 | 1023.8 | 1014.5 | 1024.7 | 1018.2 | 1004.8 | 1025.3 | 1019.2 | 994.4 | 1011.7 | 1011.4 | |
| 31 | 993.8 | 1018.9 | 1018.6 | 1011.9 | 1028.0 | 991.2 | 1014.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High | 1029.5 | 1040.1 | 1035.5 | 1031.8 | 1027.2 | 1027.2 | 1029.0 | 1029.4 | 1031.4 | 1032.7 | 1032.4 | 1037.1 |
| Average | 1011.3 | 1010.8 | 1021.9 | 1021.6 | 1010.2 | 1018.4 | 1014.9 | 1017.5 | 1017.6 | 1014.2 | 1019.2 | 1012.0 |
| Low | 976.6 | 988.9 | 995.0 | 1004.3 | 992.1 | 1004.8 | 990.5 | 995.2 | 1001.1 | 986.8 | 994.5 | 983.6 |
