Rocky Mountains (PADD 4) API Gravity (Weighted Average) of Crude Oil Input to Refineries (Degree)

View History:

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1985	36.65	37.02	37.36	37.36	37.13	36.56	36.23	36.58	36.39	36.38	36.03	35.86
1986	36.20	36.29	36.31	36.34	36.64	36.08	36.18	36.12	35.97	36.42	36.29	36.05
1987	36.28	36.28	37.16	36.95	36.25	35.91	36.07	36.05	35.81	36.07	35.79	36.12
1988	36.32	35.88	36.34	36.60	36.09	35.57	35.61	35.69	35.95	36.34	36.37	36.46
1989	36.61	36.16	35.48	36.61	36.33	35.97	35.70	35.64	35.45	36.22	35.81	36.14

1990	36.38	35.69	36.00	35.49	35.60	35.35	35.38	34.59	35.60	34.95	34.80	35.64
1991	35.32	35.71	35.86	36.28	36.19	35.74	35.33	35.11	35.36	35.61	35.66	36.08
1992	35.86	35.75	36.01	35.64	35.40	34.36	34.24	35.03	35.08	35.00	35.01	34.75
1993	34.60	34.57	34.93	34.78	35.16	35.29	35.06	34.92	33.57	33.39	34.01	33.90
1994	34.02	33.57	34.55	33.55	33.96	34.48	34.49	34.17	34.47	34.68	34.61	35.25

1995	35.13	35.40	34.69	35.41	35.33	34.61	34.47	35.08	34.60	34.99	34.90	35.13
1996	34.73	34.40	34.38	34.37	34.31	34.77	32.63	32.36	31.78	32.80	34.11	33.39
1997	32.87	33.39	34.33	34.68	33.33	32.96	32.94	32.55	33.00	32.26	32.60	32.63
1998	32.78	32.99	33.52	33.39	34.43	33.17	31.59	32.30	33.34	33.71	33.85	33.23
1999	33.73	33.62	34.32	34.24	34.09	33.26	33.65	34.61	34.47	33.59	34.65	34.99

2000	34.12	34.27	33.52	33.71	32.85	32.60	32.64	32.94	33.16	32.42	33.05	32.86
2001	33.07	33.43	33.42	33.79	33.53	33.35	32.88	32.42	32.60	33.66	33.00	33.31
2002	32.93	32.80	33.48	32.89	33.16	33.00	32.99	32.82	33.06	32.97	32.92	32.88
2003	32.93	33.18	32.70	33.45	34.11	32.68	32.31	32.51	32.60	32.57	32.51	32.34
2004	33.07	32.76	32.67	32.53	32.69	31.89	32.52	32.72	32.60	32.43	32.35	32.34

2005	32.26	32.38	32.84	32.90	32.24	32.57	32.92	32.32	31.88	32.10	32.67	32.78
2006	32.53	32.92	34.58	34.28	33.29	32.79	32.55	32.43	32.77	32.56	32.35	32.56
2007	32.69	32.26	32.93	33.35	33.09	32.28	31.74	32.56	32.74	32.02	32.91	32.48
2008	32.77	32.57	32.79	33.36	32.02	32.64	32.85	32.40	32.32	31.56	32.19	31.84
2009	31.98	32.32	32.65	33.42	32.65	33.23	33.28	33.31	33.49	34.03	33.03	33.88

2010	33.63	33.12	32.78	33.58	33.47	33.29	33.15	32.70	32.49	32.98	33.11	32.72
2011	33.05	32.77	32.50	32.92	33.32	32.48	33.02	32.30	32.91	32.69	32.81	33.18
2012	33.62	32.81	32.87	33.75	34.36	34.03	32.65	32.39	33.06	36.33	32.28	31.94
2013	32.70	33.19	33.31	34.20	34.75	33.68	33.83	33.52	33.66	33.93	33.26	31.95
2014	32.88	32.88	33.02	33.49	33.98	34.25	33.37	33.15	32.99	33.62	33.88	33.04

2015	32.47	32.84	32.90	32.93	33.72	33.47	34.38	34.04	33.51	33.29	33.29	33.32
2016	33.43	33.93	33.70	33.80	33.53	33.07	33.77	33.29	32.84	32.78	33.72	32.65
2017	32.73	33.02	33.41	33.81	34.79	33.98	33.52	33.34	32.49	33.18	33.72	33.78
2018	32.78	33.18	32.39	32.63	33.07	32.56	32.49	31.69	32.25	32.06	32.94	33.99
2019	33.67	32.97	33.70	33.98	33.12	33.10	32.35	32.29	32.70	32.67	33.06	33.11

2020	32.36	31.95	31.58	31.98	32.46	32.17	31.65	32.35	32.44	32.82	32.88	32.52
2021	32.05	32.34	32.81	33.54	33.28	31.92	32.96	33.23	33.12	32.88	34.01	33.82
2022	32.19	32.76	32.35	33.48	34.23	33.25	32.68	32.90	32.56	33.01	33.38	33.40
2023	31.52	31.73	32.57	33.04	31.48	31.29	31.42	31.72	32.30	32.00	33.17	31.88
2024	32.43	32.11	33.08	33.09	33.34	33.50	34.42	34.40	36.51	35.80	34.98	34.66

- = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data.

Release Date: 2/28/2025

Next Release Date: 3/31/2025

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