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Appalachian No. 1 Refinery District API Gravity (Weighted Average) of Crude Oil Input to Refineries (Degrees) (Degree)
Appalachian No. 1 Refinery District API Gravity (Weighted Average) of Crude Oil Input to Refineries (Degrees) (Degree)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1985 36.75 39.91 40.68 39.81 39.11 38.95 39.65 39.64 39.28 39.65 42.44 39.70
  1986 40.59 40.39 39.76 39.14 38.39 38.81 37.33 36.97 37.75 37.61 37.44 38.28
  1987 38.58 38.22 37.73 37.64 38.24 38.50 38.33 38.89 37.93 38.72 38.89 39.68
  1988 39.68 38.96 39.84 39.20 38.58 38.23 37.60 38.05 37.69 38.55 38.36 39.27
  1989 38.32 38.42 38.23 38.06 37.51 37.16 37.83 38.01 37.66 37.86 37.77 38.27
  1990 38.56 38.31 36.77 37.61 38.05 38.04 37.85 38.55 37.46 36.76 38.75 37.82
  1991 37.39 37.36 37.16 38.75 36.16 36.32 35.89 37.27 37.72 38.06 36.89 38.20
  1992 37.91 38.16 38.53 37.71 36.89 37.13 36.55 36.80 36.73 37.53 37.36 37.86
  1993 36.66 38.54 37.50 37.03 36.41 36.14 35.69 35.94 36.62 36.92 37.04 37.20
  1994 35.95 36.52 36.05 37.80 35.13 34.80 34.73 34.85 35.46 35.44 36.97 36.03
  1995 35.43 36.92 37.19 35.97 34.97 34.36 35.07 34.24 34.01 34.91 34.12 34.43
  1996 33.42 36.23 36.45 36.09 36.14 35.26 35.06 35.21 34.77 35.17 34.76 35.32
  1997 35.21 35.20 35.51 35.26 34.88 34.38 34.32 34.49 34.42 33.10 33.95 34.59
  1998 34.80 34.90 35.83 35.75 36.37 34.33 34.51 34.17 34.02 33.93 34.44 32.97
  1999 33.61 34.24 33.98 34.19 34.28 34.33 33.44 33.68 33.83 32.85 34.22 34.07
  2000 34.09 33.97 33.63 33.26 32.67 32.05 32.14 32.83 31.53 32.44 32.63 25.29
  2001 32.84 33.18 33.18 33.27 32.99 32.62 32.91 33.04 31.68 33.04 33.19 32.85
  2002 33.65 33.02 33.15 32.87 33.04 33.01 32.59 33.06 31.90 34.42 33.68 32.12
  2003 32.28 31.79 31.75 32.07 33.08 32.73 32.34 32.07 31.85 32.07 32.24 32.44
  2004 32.57 31.61 32.61 32.94 32.39 31.74 31.65 31.49 31.85 33.34 33.20 32.07
  2005 31.63 32.61 32.52 32.22 33.17 31.97 32.02 31.95 32.44 33.06 32.24 32.25
  2006 32.32 32.38 32.74 32.44 32.06 31.87 31.71 31.30 30.61 31.16 31.17 30.85
  2007 31.28 31.91 34.35 34.41 31.53 31.72 31.48 30.59 29.74 30.57 31.81 31.43
  2008 32.16 32.24 32.29 33.12 32.11 31.59 31.30 31.57 30.56 31.11 31.93 32.26
  2009 32.21 32.29 33.51 32.44 32.29 31.90 31.89 31.77 31.94 32.63 32.70 32.23
  2010 32.24 32.68 32.96 32.00 31.52 31.78 31.65 36.45 39.92 37.07 35.83 33.31
  2011 31.93 31.67 32.14 34.76 32.81 33.56 32.68 32.07 31.41 32.23 31.37 31.70
  2012 32.31 32.11 32.64 33.03 32.33 32.25 31.75 31.74 32.85 32.09 30.99 31.62
  2013 31.62 31.79 31.82 29.60 31.22 32.48 33.27 32.26 31.32 31.68 31.39 32.43
  2014 31.48 31.74 34.15 34.54 32.33 32.26 31.84 32.50 31.74 31.48 31.43 31.47
  2015 32.46 32.16 32.75 32.85 32.22 31.40 32.57 32.17 31.59 31.79 31.91 32.12
  2016 32.64 32.08 32.84 32.32 32.78 32.96 32.74 32.55 32.40 32.45 33.27 32.91
  2017 32.46 32.93 32.65 31.59 33.03 33.02 33.56 32.58 31.57 31.19 31.72 32.12
  2018 31.90 31.94 35.94 35.46 33.03 32.95 32.46 32.13 32.32 31.85 31.91 31.91
  2019 32.27 32.83 32.98 32.90 32.26 34.63 32.50 32.00 31.37 31.36 31.58 31.87
  2020 32.58 32.73 32.36 32.74 32.42 32.60 32.56 31.59 31.90 32.14 32.77 32.53
  2021 32.24 32.74 33.78 33.87 31.99 32.58 32.22 31.45 31.48 32.04 31.95 31.78
  2022 31.74 32.26 36.03 37.40 32.26 31.73 31.96 32.52 32.36 31.28 31.77 31.43
  2023 31.54 32.00 31.65 32.09 31.53 32.18 31.71 31.60 31.92 31.18 32.05 32.12
  2024 31.79


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/29/2024
Next Release Date: 4/30/2024

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