| Other Years | |||||||||||||||||
| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |||||||||
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | |||||||||
| Day | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 1 | 1002.5 | 1018.2 | 1013.9 | 1014.4 | 1024.8 | 1021.5 | 1010.6 | 1015.6 | 1022.2 | 1007.4 | 1021.7 | 1028.3 |
| 2 | 994.4 | 1018.6 | 1007.6 | 1006.6 | 1021.3 | 1019.2 | 1014.8 | 1010.4 | 1018.9 | 1016.5 | 1023.8 | 1023.2 |
| 3 | 991.6 | 1025.8 | 1003.7 | 1000.2 | 1025.5 | 1015.9 | 1016.4 | 1009.0 | 1014.4 | 1022.0 | 1018.4 | 1018.1 |
| 4 | 980.2 | 1027.4 | 992.9 | 999.6 | 1023.1 | 1016.7 | 1017.7 | 1013.0 | 1013.6 | 1021.8 | 1010.4 | 1015.4 |
| 5 | 986.0 | 1015.6 | 1002.2 | 1008.2 | 1016.3 | 1018.2 | 1019.6 | 1020.6 | 1017.3 | 1021.4 | 1008.4 | 1018.4 |
| 6 | 988.9 | 995.0 | 1006.4 | 1010.2 | 1008.2 | 1018.9 | 1021.7 | 1025.9 | 1020.8 | 1019.8 | 1010.0 | 1021.9 |
| 7 | 989.0 | 991.5 | 1010.5 | 1013.5 | 1002.3 | 1022.3 | 1018.6 | 1024.7 | 1014.2 | 1019.0 | 1013.7 | 1021.7 |
| 8 | 995.5 | 992.1 | 1003.9 | 1010.3 | 1000.7 | 1022.9 | 1017.2 | 1024.3 | 1010.8 | 1023.9 | 1005.2 | 1021.8 |
| 9 | 985.6 | 992.1 | 1002.0 | 1002.4 | 1002.6 | 1018.0 | 1014.7 | 1027.2 | 1010.7 | 1026.8 | 1002.9 | 1021.6 |
| 10 | 981.8 | 1000.3 | 1019.2 | 996.6 | 1004.0 | 1011.8 | 1008.3 | 1026.6 | 1012.6 | 1024.3 | 1012.4 | 1020.2 |
| 11 | 986.8 | 998.4 | 1025.9 | 1001.9 | 1002.0 | 1009.0 | 1009.4 | 1025.2 | 1012.4 | 1019.2 | 1016.6 | 1022.2 |
| 12 | 1006.0 | 989.8 | 1028.0 | 1004.6 | 1002.2 | 1006.9 | 1014.4 | 1024.8 | 1007.6 | 1015.7 | 1015.6 | 1019.0 |
| 13 | 1011.9 | 979.9 | 1030.3 | 1005.7 | 1008.4 | 1004.7 | 1020.3 | 1023.5 | 1006.3 | 1010.1 | 1026.4 | 1014.2 |
| 14 | 1013.3 | 999.9 | 1026.9 | 1003.6 | 1017.6 | 999.4 | 1025.5 | 1023.6 | 1007.0 | 1002.7 | 1030.0 | 1012.6 |
| 15 | 1024.3 | 1023.8 | 1025.7 | 999.1 | 1022.5 | 997.1 | 1026.6 | 1020.5 | 1010.9 | 1000.9 | 1025.4 | 1012.0 |
| 16 | 1027.7 | 1026.9 | 1025.8 | 1006.5 | 1021.5 | 1002.0 | 1025.3 | 1015.2 | 1016.9 | 1006.6 | 1017.0 | 1020.6 |
| 17 | 1016.8 | 1015.0 | 1026.4 | 1016.0 | 1014.2 | 1010.8 | 1022.8 | 1010.3 | 1022.7 | 1016.5 | 1003.0 | 1033.8 |
| 18 | 1006.1 | 1014.7 | 1024.4 | 1022.8 | 1006.1 | 1020.3 | 1019.1 | 1008.0 | 1021.5 | 1022.1 | 997.8 | 1033.2 |
| 19 | 1012.3 | 1014.4 | 1023.0 | 1024.9 | 1011.8 | 1020.4 | 1012.2 | 1003.2 | 1021.1 | 1023.4 | 987.0 | 1025.1 |
| 20 | 1014.4 | 1014.4 | 1023.0 | 1022.1 | 1011.3 | 1014.2 | 1011.0 | 1007.6 | 1018.7 | 1021.5 | 981.2 | 1017.6 |
| 21 | 1012.2 | 1013.8 | 1021.9 | 1018.5 | 1005.9 | 1015.8 | 1015.6 | 1017.1 | 1015.4 | 1018.9 | 982.3 | 1018.3 |
| 22 | 1016.1 | 1011.4 | 1017.0 | 1017.3 | 1009.6 | 1016.0 | 1017.9 | 1021.4 | 1018.3 | 1013.1 | 998.6 | 1026.2 |
| 23 | 1023.9 | 1016.0 | 1015.9 | 1020.2 | 1018.2 | 1016.9 | 1020.3 | 1019.2 | 1020.3 | 1005.6 | 1013.3 | 1024.2 |
| 24 | 1020.9 | 1014.9 | 1012.4 | 1021.8 | 1017.9 | 1017.8 | 1018.8 | 1018.1 | 1011.8 | 1008.6 | 1016.9 | 1027.7 |
| 25 | 1017.4 | 1014.0 | 1012.2 | 1015.7 | 1015.0 | 1019.4 | 1020.4 | 1015.2 | 1012.9 | 1019.0 | 1017.2 | 1024.5 |
| 26 | 1014.8 | 1004.2 | 1000.7 | 1012.4 | 1013.4 | 1019.3 | 1020.0 | 1017.0 | 1017.1 | 1027.0 | 1017.1 | 1031.7 |
| 27 | 1012.3 | 1006.4 | 985.8 | 1014.2 | 1014.0 | 1019.4 | 1017.0 | 1013.9 | 1020.4 | 1031.3 | 1019.9 | 1039.5 |
| 28 | 1022.2 | 1019.2 | 985.9 | 1013.1 | 1013.0 | 1014.2 | 1014.7 | 1014.0 | 1022.7 | 1033.2 | 1024.3 | 1037.2 |
| 29 | 1017.4 | 1023.0 | 1001.4 | 1013.7 | 1013.0 | 1009.5 | 1012.2 | 1021.9 | 1017.0 | 1030.8 | 1028.7 | 1035.0 |
| 30 | 1011.9 | 1007.9 | 1021.4 | 1017.2 | 1008.4 | 1014.5 | 1022.2 | 1010.5 | 1025.3 | 1031.4 | 1035.4 | |
| 31 | 1012.6 | 1015.3 | 1020.5 | 1018.3 | 1020.5 | 1021.4 | 1029.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High | 1029.6 | 1033.6 | 1031.5 | 1026.4 | 1027.3 | 1024.6 | 1027.9 | 1028.7 | 1026.0 | 1034.7 | 1032.6 | 1040.6 |
| Average | 1006.2 | 1009.4 | 1013.5 | 1011.1 | 1012.9 | 1014.0 | 1017.2 | 1017.9 | 1015.6 | 1018.4 | 1013.1 | 1024.1 |
| Low | 977.3 | 973.2 | 972.6 | 993.2 | 999.4 | 994.9 | 1006.0 | 999.8 | 1003.4 | 998.6 | 970.6 | 1009.8 |
