Year Month Day Hour Minute Value (Times are PST) (barometer,hPa) 2013 09 28 02 03 1009.37 2013 09 28 04 04 1007.00 2013 09 28 06 06 1004.29 2013 09 28 08 06 1000.90 2013 09 28 10 07 998.53 2013 09 28 12 09 996.16 2013 09 28 14 09 995.15 2013 09 28 16 10 994.13 2013 09 28 18 11 994.47 2013 09 28 20 13 995.82 2013 09 28 22 13 997.85