| Other Years | ||||||||||||||||
| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
| Day | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1 | 1006.7 | 1030.3 | 1026.0 | 1020.0 | 1015.3 | 1019.1 | 1015.2 | 1007.3 | 1028.4 | 1012.9 | 983.3 | 1016.5 |
| 2 | 1010.4 | 1035.1 | 1022.2 | 1012.8 | 1019.3 | 1011.2 | 1012.3 | 1009.9 | 1026.3 | 1009.8 | 992.5 | 1016.0 |
| 3 | 1009.9 | 1038.6 | 1017.0 | 1006.8 | 1012.7 | 1009.1 | 1010.5 | 1010.0 | 1026.6 | 1006.8 | 996.2 | 1011.0 |
| 4 | 1021.1 | 1031.6 | 1022.1 | 1010.3 | 1006.9 | 1015.2 | 1007.4 | 1007.1 | 1025.4 | 1007.1 | 993.3 | 1007.4 |
| 5 | 1019.1 | 1028.4 | 1029.5 | 1017.1 | 1009.1 | 1011.5 | 1007.1 | 1006.2 | 1027.3 | 1006.3 | 1007.0 | 1011.4 |
| 6 | 1028.6 | 1033.1 | 1025.8 | 1017.7 | 1012.6 | 1002.0 | 1005.8 | 1013.0 | 1028.0 | 1011.2 | 1023.2 | 1011.7 |
| 7 | 1027.9 | 1037.2 | 1023.3 | 1015.5 | 1010.3 | 990.8 | 1001.4 | 1020.1 | 1025.4 | 1017.5 | 1026.3 | 1012.8 |
| 8 | 1030.6 | 1039.4 | 1032.7 | 1014.9 | 1007.1 | 1002.3 | 1008.7 | 1023.4 | 1019.0 | 1012.5 | 1020.3 | 1024.9 |
| 9 | 1033.3 | 1037.7 | 1036.8 | 1000.4 | 1005.4 | 1012.2 | 1012.4 | 1025.4 | 1011.3 | 1012.9 | 1008.3 | 1024.8 |
| 10 | 1035.7 | 1033.6 | 1039.1 | 993.4 | 1009.8 | 1008.5 | 1013.1 | 1023.5 | 1010.1 | 1009.4 | 1000.5 | 1024.8 |
| 11 | 1035.6 | 1034.6 | 1038.0 | 1000.0 | 1026.2 | 1006.3 | 1014.8 | 1016.6 | 1015.6 | 1003.4 | 1011.9 | 1026.0 |
| 12 | 1032.7 | 1036.4 | 1034.6 | 1005.6 | 1038.7 | 1010.8 | 1010.8 | 1010.8 | 1017.8 | 1009.3 | 1021.0 | 1014.1 |
| 13 | 1032.2 | 1032.1 | 1032.9 | 1005.9 | 1031.6 | 1014.5 | 1004.3 | 1007.2 | 1021.7 | 1006.5 | 1023.9 | 998.5 |
| 14 | 1025.1 | 1030.9 | 1028.8 | 1009.2 | 1021.0 | 1009.1 | 1008.6 | 1006.6 | 1018.6 | 1004.0 | 1023.0 | 983.8 |
| 15 | 1018.0 | 1031.5 | 1024.5 | 1021.1 | 1022.6 | 1003.6 | 1017.9 | 1000.5 | 1018.3 | 1000.4 | 1019.3 | 991.9 |
| 16 | 1021.5 | 1031.9 | 1018.3 | 1020.6 | 1024.9 | 1009.9 | 1022.8 | 1008.4 | 1014.8 | 998.3 | 1011.3 | 998.6 |
| 17 | 1025.5 | 1025.9 | 1012.4 | 1001.5 | 1013.2 | 1016.8 | 1024.5 | 1009.0 | 1014.3 | 991.7 | 1010.0 | 1005.4 |
| 18 | 1025.6 | 1017.3 | 1021.5 | 985.0 | 1003.7 | 1017.3 | 1017.7 | 1013.7 | 1018.4 | 998.5 | 1012.6 | 1014.6 |
| 19 | 1025.5 | 1027.6 | 1033.7 | 991.6 | 1008.8 | 1018.6 | 1014.2 | 1016.5 | 1024.8 | 1007.4 | 1006.8 | 1007.1 |
| 20 | 1026.2 | 1032.1 | 1036.7 | 996.5 | 1011.2 | 1012.6 | 1018.6 | 1019.2 | 1020.9 | 1013.3 | 1003.0 | 1000.4 |
| 21 | 1021.6 | 1029.8 | 1031.0 | 1000.9 | 1013.0 | 1005.8 | 1024.2 | 1019.2 | 1016.6 | 1016.1 | 1007.4 | 1009.5 |
| 22 | 1021.3 | 1025.9 | 1024.7 | 1005.1 | 1019.3 | 1014.1 | 1025.6 | 1019.9 | 1017.0 | 1019.3 | 1005.9 | 1004.6 |
| 23 | 1022.6 | 1027.2 | 1024.6 | 994.1 | 1025.4 | 1017.8 | 1022.3 | 1013.9 | 1002.4 | 1022.8 | 1010.1 | 1004.6 |
| 24 | 1022.5 | 1030.2 | 1025.8 | 996.0 | 1025.5 | 1015.4 | 1018.0 | 1003.1 | 992.6 | 1017.6 | 1003.0 | 998.7 |
| 25 | 1013.8 | 1029.6 | 1030.4 | 981.3 | 1019.9 | 1018.2 | 1017.4 | 1006.2 | 990.0 | 1011.7 | 1001.9 | 998.1 |
| 26 | 1012.0 | 1029.2 | 1032.6 | 993.3 | 1016.0 | 1019.3 | 1016.7 | 1016.7 | 995.5 | 1012.2 | 1000.8 | 1006.4 |
| 27 | 1022.0 | 1027.4 | 1033.9 | 1009.0 | 1018.3 | 1014.6 | 1015.4 | 1010.9 | 1009.1 | 1019.7 | 1010.3 | 1010.0 |
| 28 | 1029.9 | 1025.8 | 1032.3 | 1013.4 | 1018.2 | 1005.0 | 1014.2 | 1012.2 | 1015.1 | 1017.3 | 1016.6 | 1012.5 |
| 29 | 1028.0 | 1023.9 | 1029.7 | 1002.6 | 1018.4 | 1002.5 | 1014.4 | 1010.2 | 1020.3 | 1009.5 | 1014.5 | 1003.4 |
| 30 | 1021.8 | 1025.3 | 1001.3 | 1019.2 | 1009.2 | 1016.0 | 1021.0 | 1018.3 | 1004.0 | 1012.6 | 1011.6 | |
| 31 | 1023.1 | 1020.8 | 1022.1 | 1012.4 | 1031.2 | 988.1 | 1004.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High | 1037.3 | 1040.5 | 1040.5 | 1028.0 | 1041.0 | 1022.4 | 1026.9 | 1032.8 | 1030.4 | 1024.9 | 1028.8 | 1029.4 |
| Average | 1023.5 | 1031.0 | 1028.0 | 1004.7 | 1016.8 | 1010.8 | 1014.3 | 1013.4 | 1016.3 | 1009.2 | 1009.3 | 1008.6 |
| Low | 1000.8 | 1012.6 | 1010.6 | 973.8 | 1001.1 | 983.0 | 997.2 | 996.1 | 987.6 | 977.8 | 976.5 | 976.1 |
