| 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 | 1013.0 | 1029.2 | 1020.7 | 1020.3 | 1023.3 | 1018.7 | 1018.3 | 1021.0 | 1018.9 | 1011.4 | 1010.4 | 1027.6 |
| 2 | 1011.7 | 1023.4 | 1014.0 | 1023.1 | 1020.6 | 1019.0 | 1019.3 | 1018.0 | 1013.3 | 1021.8 | 1011.1 | 1024.9 |
| 3 | 1007.8 | 1015.8 | 1014.7 | 1025.8 | 1021.1 | 1017.8 | 1022.8 | 1015.7 | 1008.0 | 1024.1 | 1001.6 | 1019.7 |
| 4 | 1006.3 | 1015.7 | 1021.6 | 1020.1 | 1021.3 | 1016.8 | 1025.4 | 1019.8 | 1007.9 | 1017.0 | 1010.0 | 1015.8 |
| 5 | 1017.3 | 1020.6 | 1025.4 | 1012.4 | 1025.3 | 1016.3 | 1028.8 | 1026.2 | 1011.2 | 1017.3 | 1013.2 | 1020.4 |
| 6 | 1015.7 | 1017.8 | 1026.5 | 1001.2 | 1026.9 | 1015.4 | 1031.2 | 1030.0 | 1008.9 | 1028.8 | 1004.8 | 1023.4 |
| 7 | 1014.1 | 1026.4 | 1017.2 | 996.7 | 1026.5 | 1010.8 | 1032.2 | 1028.2 | 1004.6 | 1023.3 | 999.1 | 1021.5 |
| 8 | 1006.4 | 1027.8 | 1007.5 | 1004.1 | 1026.0 | 1011.0 | 1034.4 | 1028.0 | 1005.2 | 1024.3 | 997.1 | 1013.5 |
| 9 | 1006.8 | 1024.1 | 1008.3 | 1015.8 | 1020.9 | 1017.0 | 1032.2 | 1029.0 | 1012.3 | 1016.6 | 1008.8 | 1010.2 |
| 10 | 1016.6 | 1026.2 | 1008.1 | 1013.2 | 1015.3 | 1020.2 | 1027.8 | 1025.7 | 1018.1 | 1019.6 | 1019.4 | 1010.5 |
| 11 | 1030.0 | 1029.6 | 997.9 | 1003.9 | 1014.5 | 1024.2 | 1024.0 | 1021.9 | 1016.5 | 1025.7 | 1023.4 | 1008.1 |
| 12 | 1038.5 | 1018.1 | 1000.3 | 1003.8 | 1019.8 | 1027.2 | 1023.4 | 1018.8 | 1011.4 | 1021.0 | 1022.2 | 1006.9 |
| 13 | 1038.1 | 1000.6 | 1005.2 | 1014.6 | 1021.5 | 1026.7 | 1024.5 | 1014.5 | 1008.9 | 1017.1 | 1014.4 | 1002.5 |
| 14 | 1031.3 | 1004.7 | 1019.2 | 1021.0 | 1018.9 | 1022.3 | 1026.4 | 1009.0 | 1010.2 | 1011.4 | 1002.9 | 1004.8 |
| 15 | 1024.1 | 1007.3 | 1019.4 | 1024.6 | 1012.0 | 1020.5 | 1026.1 | 1005.6 | 1016.7 | 1005.5 | 993.6 | 1012.2 |
| 16 | 1028.6 | 1004.8 | 1021.4 | 1026.2 | 1011.7 | 1022.8 | 1025.2 | 1009.4 | 1022.4 | 1006.9 | 986.0 | 1018.0 |
| 17 | 1037.0 | 1008.0 | 1032.5 | 1021.4 | 1013.6 | 1020.6 | 1023.4 | 1014.8 | 1025.6 | 1015.7 | 994.1 | 1018.7 |
| 18 | 1033.6 | 1003.6 | 1036.5 | 1018.2 | 1016.2 | 1018.7 | 1017.7 | 1016.9 | 1024.7 | 1022.0 | 1007.1 | 1009.5 |
| 19 | 1030.4 | 1013.0 | 1029.4 | 1017.9 | 1014.9 | 1016.6 | 1012.5 | 1018.2 | 1025.9 | 1013.6 | 1012.9 | 1002.3 |
| 20 | 1036.9 | 1009.2 | 1023.6 | 1015.1 | 1021.0 | 1018.2 | 1019.5 | 1019.3 | 1027.1 | 1003.4 | 1010.0 | 1006.3 |
| 21 | 1039.8 | 1018.0 | 1022.3 | 1009.8 | 1021.7 | 1016.8 | 1024.1 | 1016.9 | 1025.9 | 998.5 | 997.6 | 1006.1 |
| 22 | 1037.4 | 1022.8 | 1022.6 | 1005.3 | 1015.0 | 1014.6 | 1022.2 | 1014.2 | 1020.9 | 1006.1 | 993.3 | 1005.3 |
| 23 | 1032.2 | 1019.6 | 1026.1 | 1002.5 | 1007.6 | 1011.3 | 1019.6 | 1014.8 | 1018.1 | 998.9 | 994.0 | 1004.3 |
| 24 | 1029.5 | 1016.5 | 1028.2 | 1007.7 | 1010.7 | 1004.7 | 1014.4 | 1017.6 | 1020.2 | 1004.8 | 1001.9 | 1008.4 |
| 25 | 1031.9 | 1026.5 | 1028.4 | 1014.5 | 1018.7 | 1006.3 | 1016.2 | 1020.9 | 1020.4 | 1006.5 | 1015.2 | 1007.9 |
| 26 | 1032.5 | 1023.4 | 1028.7 | 1019.4 | 1025.1 | 1010.8 | 1022.4 | 1021.4 | 1012.4 | 1007.6 | 1018.4 | 1017.8 |
| 27 | 1032.1 | 1017.5 | 1027.4 | 1024.1 | 1027.8 | 1017.0 | 1020.8 | 1020.1 | 1007.9 | 1010.4 | 1011.5 | 1018.3 |
| 28 | 1035.3 | 1021.0 | 1019.4 | 1028.7 | 1026.0 | 1015.5 | 1017.5 | 1021.0 | 1005.3 | 1011.6 | 1012.1 | 1005.0 |
| 29 | 1033.7 | 1010.7 | 1029.9 | 1020.0 | 1011.6 | 1019.7 | 1021.8 | 1008.3 | 1010.5 | 1019.4 | 1002.5 | |
| 30 | 1030.4 | 1006.8 | 1027.9 | 1015.0 | 1014.2 | 1021.2 | 1022.8 | 1007.5 | 1011.8 | 1023.6 | 995.3 | |
| 31 | 1029.6 | 1011.5 | 1015.8 | 1020.8 | 1022.7 | 1004.2 | 1000.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High | 1041.0 | 1033.1 | 1039.5 | 1031.1 | 1029.4 | 1028.6 | 1035.5 | 1031.2 | 1028.0 | 1030.9 | 1027.6 | 1028.9 |
| Average | 1025.9 | 1017.6 | 1018.6 | 1015.3 | 1019.0 | 1016.7 | 1022.9 | 1019.4 | 1014.6 | 1013.5 | 1007.7 | 1011.1 |
| Low | 997.4 | 991.1 | 993.3 | 990.4 | 1005.1 | 1000.6 | 1009.4 | 1003.5 | 1002.0 | 993.1 | 980.5 | 988.0 |
