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California diesel price in 2021

52 official EIA weekly readings

The average California on-highway diesel price in 2021 was $4.164 per gallon over 52 weekly readings.
The weekly low was $3.404 (week of January 4, 2021); the high was $4.818 (week of November 29, 2021).
That average was $0.787 higher than 2020.
By average price, 2021 ranks #7 of 32 years in this regional EIA series.

This is a calendar-year view of the official EIA weekly series for California. It does not estimate prices for individual states or cities. Every weekly source reading used in the annual average appears below.

2021 weekly chart

California on-highway diesel, 2021. Source: EIA weekly survey.

Every EIA week in 2021

Week of	$/gal	Change
January 4, 2021	$3.404	▲+$0.005
January 11, 2021	$3.427	▲+$0.023
January 18, 2021	$3.448	▲+$0.021
January 25, 2021	$3.477	▲+$0.029
February 1, 2021	$3.497	▲+$0.020
February 8, 2021	$3.558	▲+$0.061
February 15, 2021	$3.635	▲+$0.077
February 22, 2021	$3.739	▲+$0.104
March 1, 2021	$3.846	▲+$0.107
March 8, 2021	$3.897	▲+$0.051
March 15, 2021	$3.951	▲+$0.054
March 22, 2021	$3.980	▲+$0.029
March 29, 2021	$3.982	▲+$0.002
April 5, 2021	$3.981	▼−$0.001
April 12, 2021	$3.975	▼−$0.006
April 19, 2021	$3.977	▲+$0.002
April 26, 2021	$3.986	▲+$0.009
May 3, 2021	$3.983	▼−$0.003
May 10, 2021	$4.008	▲+$0.025
May 17, 2021	$4.029	▲+$0.021
May 24, 2021	$4.047	▲+$0.018
May 31, 2021	$4.055	▲+$0.008
June 7, 2021	$4.069	▲+$0.014
June 14, 2021	$4.084	▲+$0.015
June 21, 2021	$4.099	▲+$0.015
June 28, 2021	$4.127	▲+$0.028
July 5, 2021	$4.185	▲+$0.058
July 12, 2021	$4.187	▲+$0.002
July 19, 2021	$4.205	▲+$0.018
July 26, 2021	$4.204	▼−$0.001
August 2, 2021	$4.271	▲+$0.067
August 9, 2021	$4.288	▲+$0.017
August 16, 2021	$4.319	▲+$0.031
August 23, 2021	$4.284	▼−$0.035
August 30, 2021	$4.291	▲+$0.007
September 6, 2021	$4.316	▲+$0.025
September 13, 2021	$4.313	▼−$0.003
September 20, 2021	$4.329	▲+$0.016
September 27, 2021	$4.339	▲+$0.010
October 4, 2021	$4.369	▲+$0.030
October 11, 2021	$4.425	▲+$0.056
October 18, 2021	$4.530	▲+$0.105
October 25, 2021	$4.600	▲+$0.070
November 1, 2021	$4.651	▲+$0.051
November 8, 2021	$4.701	▲+$0.050
November 15, 2021	$4.769	▲+$0.068
November 22, 2021	$4.784	▲+$0.015
November 29, 2021	$4.818	▲+$0.034
December 6, 2021	$4.789	▼−$0.029
December 13, 2021	$4.775	▼−$0.014
December 20, 2021	$4.768	▼−$0.007
December 27, 2021	$4.771	▲+$0.003

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Monthly detail: January · February · March · April · May · June · July · August · September · October · November · December

EIA redesigned the survey sample and estimation methodology effective the June 13, 2022 release. Comparisons that span that date reflect both market and methodology changes.