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| Montana Field Production of Crude Oil (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 78 | 84 | 84 | 83 | 85 | 86 | 84 | 85 | 84 | 88 | 86 | 88 |
| 1982 | 82 | 87 | 85 | 86 | 84 | 85 | 86 | 87 | 85 | 84 | 84 | 83 |
| 1983 | 84 | 81 | 79 | 87 | 79 | 79 | 79 | 80 | 77 | 81 | 79 | 76 |
| 1984 | 78 | 81 | 80 | 82 | 83 | 81 | 80 | 79 | 80 | 85 | 84 | 82 |
| 1985 | 82 | 84 | 83 | 80 | 83 | 81 | 81 | 83 | 83 | 82 | 80 | 78 |
| 1986 | 79 | 79 | 78 | 77 | 75 | 74 | 73 | 72 | 72 | 71 | 70 | 70 |
| 1987 | 69 | 70 | 70 | 70 | 69 | 68 | 67 | 68 | 67 | 68 | 69 | 68 |
| 1988 | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 63 | 62 | 61 | 60 |
| 1989 | 59 | 57 | 58 | 59 | 59 | 59 | 57 | 57 | 57 | 56 | 56 | 54 |
| 1990 | 55 | 56 | 55 | 54 | 54 | 53 | 54 | 54 | 54 | 54 | 55 | 52 |
| 1991 | 54 | 55 | 55 | 55 | 54 | 53 | 54 | 53 | 53 | 53 | 53 | 52 |
| 1992 | 52 | 51 | 52 | 51 | 51 | 50 | 50 | 51 | 51 | 50 | 50 | 48 |
| 1993 | 47 | 48 | 48 | 48 | 48 | 48 | 47 | 49 | 48 | 48 | 47 | 47 |
| 1994 | 46 | 44 | 46 | 45 | 44 | 44 | 45 | 45 | 46 | 47 | 46 | 46 |
| 1995 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 46 | 45 | 44 | 44 |
| 1996 | 41 | 43 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 43 | 42 | 43 |
| 1997 | 43 | 44 | 44 | 42 | 42 | 42 | 43 | 44 | 39 | 43 | 43 | 43 |
| 1998 | 45 | 45 | 45 | 48 | 48 | 46 | 45 | 45 | 45 | 41 | 44 | 44 |
| 1999 | 40 | 44 | 38 | 41 | 42 | 42 | 41 | 42 | 42 | 41 | 38 | 39 |
| 2000 | 42 | 43 | 43 | 43 | 43 | 44 | 42 | 41 | 41 | 42 | 42 | 41 |
| 2001 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 45 | 45 | 45 | 45 | 43 |
| 2002 | 47 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 |
| 2003 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 54 | 55 | 58 | 59 | 59 |
| 2004 | 58 | 58 | 62 | 63 | 65 | 69 | 68 | 69 | 73 | 74 | 76 | 76 |
| 2005 | 76 | 83 | 84 | 87 | 88 | 89 | 90 | 94 | 95 | 97 | 98 | 97 |
| 2006 | 98 | 98 | 100 | 97 | 99 | 100 | 100 | 101 | 102 | 101 | 99 | 99 |
| 2007 | 99 | 97 | 97 | 96 | 97 | 96 | 95 | 95 | 94 | 95 | 93 | 93 |
| 2008 | 90 | 89 | 88 | 88 | 86 | 86 | 84 | 84 | 86 | 86 | 86 | 83 |
| 2009 | 81 | 82 | 81 | 80 | 79 | 77 | 75 | 74 | 74 | 72 | 71 | 70 |
| 2010 | 68 | 71 | 70 | 69 | 69 | 68 | 69 | 69 | 71 | 71 | 70 | 68 |
| 2011 | 66 | 67 | 66 | 65 | 65 | 65 | 65 | 66 | 65 | 68 | 69 | 67 |
| 2012 | 66 | 69 | 67 | 71 | 71 | 68 | 73 | 74 | 75 | 79 | 78 | 78 |
| 2013 | 77 | 78 | 80 | 82 | 81 | 80 | 82 | 83 | 80 | 80 | 81 | 77 |
| 2014 | 78 | 80 | 79 | 81 | 79 | 81 | 83 | 83 | 84 | 84 | 85 | 86 |
| 2015 | 83 | 86 | 85 | 82 | 81 | 79 | 77 | 75 | 75 | 73 | 72 | 71 |
| 2016 | 69 | 68 | 67 | 65 | 64 | 64 | 62 | 61 | 61 | 61 | 61 | 57 |
| 2017 | 57 | 59 | 58 | 58 | 58 | 58 | 57 | 57 | 56 | 55 | 55 | 54 |
| 2018 | 55 | 56 | 54 | 57 | 58 | 59 | 58 | 62 | 62 | 61 | 64 | 63 |
| 2019 | 62 | 59 | 61 | 68 | 67 | 64 | 60 | 60 | 60 | 64 | 67 | 65 |
| 2020 | 62 | 60 | 62 | 52 | 39 | 47 | 52 | 51 | 51 | 51 | 49 | 49 |
| 2021 | 54 | 52 | 53 | 53 | 51 | 48 | 48 | 52 | 55 | 53 | 53 | 52 |
| 2022 | 52 | 51 | 55 | 54 | 53 | 63 | 61 | 61 | 58 | 54 | 58 | 57 |
| 2023 | 62 | 64 | 65 | 62 | 61 | 60 | 57 | 63 | 63 | 63 | 63 | 63 |
| 2024 | 60 | 66 | 71 | 72 | 73 | 72 | 70 | 76 | 75 | 79 | 83 | 78 |
| 2025 | 78 | 73 | 77 | 74 | 75 | 75 | 76 | 74 | ||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |
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