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West Coast (PADD 5) API Gravity (Weighted Average) of Crude Oil Input to Refineries (Degree)
West Coast (PADD 5) API Gravity (Weighted Average) of Crude Oil Input to Refineries (Degree)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1985 24.48 25.37 25.21 25.69 25.33 25.09 25.45 24.61 24.29 24.60 25.13 24.87
  1986 24.63 24.63 24.76 25.07 25.03 24.84 25.04 25.31 24.73 24.86 24.98 24.65
  1987 24.38 24.71 25.79 25.10 25.03 24.79 24.88 25.95 25.69 25.55 24.98 25.57
  1988 25.04 25.23 25.01 25.04 25.79 25.45 25.29 25.72 25.31 25.24 25.37 25.46
  1989 25.81 25.88 25.41 25.91 25.74 25.61 25.82 25.71 26.02 26.22 26.11 26.00
  1990 25.49 25.85 26.07 24.60 25.93 26.01 25.59 25.31 25.59 25.93 26.55 24.94
  1991 25.12 25.46 25.27 25.38 26.07 25.59 25.34 25.18 25.04 24.80 24.85 24.00
  1992 24.55 24.72 25.09 24.94 24.95 25.06 25.09 25.26 25.11 24.77 24.93 24.91
  1993 25.16 25.23 24.86 25.18 25.23 25.83 25.55 25.28 25.36 25.81 25.56 25.61
  1994 25.48 25.23 24.53 25.16 25.11 25.25 25.51 25.19 24.88 25.24 25.92 25.51
  1995 25.85 25.54 25.01 25.46 25.55 25.31 25.55 25.67 25.55 25.46 25.76 25.39
  1996 26.35 25.51 25.31 25.51 25.73 25.53 25.94 26.30 25.60 25.43 25.77 25.27
  1997 25.45 26.72 26.25 26.09 26.08 26.26 26.18 26.03 25.90 26.59 26.28 25.24
  1998 25.28 25.38 25.24 24.97 24.98 23.99 25.00 25.24 25.19 26.36 25.25 25.73
  1999 27.41 25.29 26.34 27.34 26.02 27.19 28.03 26.00 26.55 25.96 27.01 26.69
  2000 26.83 25.75 26.58 26.94 27.36 26.88 26.42 25.71 25.54 26.65 26.15 26.45
  2001 26.81 26.71 27.10 27.62 27.31 26.15 26.32 27.63 26.37 26.94 26.69 26.11
  2002 27.76 28.04 27.46 27.70 27.75 27.36 26.79 27.56 27.33 27.66 27.12 27.49
  2003 27.49 27.59 27.68 27.71 27.44 27.83 27.89 27.74 27.58 27.64 27.52 27.67
  2004 27.70 28.19 28.04 27.57 27.48 27.61 27.46 27.60 27.72 27.90 27.58 27.54
  2005 27.86 27.44 27.54 27.33 27.61 27.74 27.77 27.80 27.72 27.63 27.87 27.61
  2006 28.11 28.04 28.35 28.02 28.07 27.98 27.85 27.46 27.81 28.07 27.87 27.33
  2007 27.99 28.19 27.90 28.37 27.97 29.08 29.18 28.34 27.98 28.00 28.31 28.09
  2008 27.95 28.12 27.73 27.54 27.39 27.66 27.39 27.30 27.30 27.52 26.68 26.97
  2009 27.49 27.56 27.91 27.67 27.70 27.58 28.35 28.15 27.60 27.28 27.69 28.43
  2010 27.57 28.01 27.16 27.30 27.16 27.93 27.42 27.53 27.04 27.49 27.62 27.53
  2011 27.48 27.70 27.32 27.37 27.58 27.91 27.16 26.90 27.42 27.00 27.09 27.92
  2012 28.17 27.32 27.29 27.29 27.57 27.83 27.22 27.26 26.72 27.65 26.84 27.30
  2013 27.24 26.70 27.67 27.52 28.09 27.81 27.38 27.37 27.93 27.52 28.02 28.56
  2014 27.84 29.41 28.48 28.70 28.27 28.09 27.71 27.43 27.97 27.94 28.26 28.56
  2015 28.89 28.21 28.86 29.51 28.11 28.27 28.62 28.48 28.35 28.27 28.89 27.96
  2016 28.07 28.49 28.72 28.07 28.72 28.52 27.50 27.45 28.14 28.00 27.73 27.23
  2017 28.34 28.49 27.88 28.71 29.34 28.64 28.71 28.29 28.08 28.51 28.04 27.99
  2018 27.76 28.04 28.07 27.61 27.80 28.63 28.50 28.13 28.53 28.74 28.44 28.05
  2019 28.35 28.94 28.70 28.47 29.23 28.46 28.79 28.05 28.74 28.62 28.53 28.47
  2020 28.16 28.70 28.75 28.59 27.98 27.96 28.68 28.54 30.49 30.36 28.22 28.48
  2021 29.54 28.91 28.70 28.92 29.28 29.18 28.89 28.66 28.67 28.41 28.18 27.90
  2022 28.33 28.15 28.55 28.68 29.85 30.02 29.16 28.71 28.94 28.59 29.04 28.50
  2023 29.52 29.17 29.46 28.74 28.68 29.20 28.54 29.01 29.18 29.19 29.24 28.58
  2024 27.99

- = 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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