Year Month Day Hour Minute Value (Times are PST) (barometer,hPa) 2021 04 18 01 28 910.30 2021 04 18 01 29 910.30 2021 04 18 01 30 910.30 2021 04 18 01 31 910.30 2021 04 18 01 32 910.30 2021 04 18 01 33 910.30 2021 04 18 01 34 910.30 2021 04 18 01 35 910.30 2021 04 18 01 36 910.30 2021 04 18 01 37 910.30 2021 04 18 03 22 1009.01 2021 04 18 03 23 1008.88 2021 04 18 03 24 1008.62 2021 04 18 03 25 1008.43 2021 04 18 03 26 1008.17 2021 04 18 03 27 1007.77 2021 04 18 03 28 1007.34 2021 04 18 03 29 1006.94 2021 04 18 03 30 1006.64 2021 04 18 03 31 1006.64 2021 04 18 03 32 1006.64 2021 04 18 03 33 1006.64 2021 04 18 03 34 1006.64 2021 04 18 03 35 1006.64 2021 04 18 03 36 1006.64 2021 04 18 03 37 1006.64 2021 04 18 03 38 1006.64 2021 04 18 03 39 1006.64 2021 04 18 03 40 1006.64 2021 04 18 03 41 1006.64 2021 04 18 03 42 1006.64 2021 04 18 03 43 1006.64 2021 04 18 03 44 1006.64 2021 04 18 03 45 1006.64 2021 04 18 03 46 963.83 2021 04 18 03 47 916.73 2021 04 18 03 48 916.73 2021 04 18 03 49 916.73 2021 04 18 03 50 916.73 2021 04 18 03 51 949.90 2021 04 18 03 52 993.03 2021 04 18 03 53 992.28 2021 04 18 03 54 991.09 2021 04 18 03 55 990.51 2021 04 18 03 56 990.25 2021 04 18 03 57 989.55 2021 04 18 03 58 988.61 2021 04 18 03 59 988.45 2021 04 18 04 00 988.45 2021 04 18 04 01 988.45 2021 04 18 04 02 988.45 2021 04 18 04 03 988.45 2021 04 18 04 04 988.45 2021 04 18 04 08 988.45 2021 04 18 04 09 981.31 2021 04 18 04 10 980.63 2021 04 18 04 11 980.16 2021 04 18 04 12 980.16 2021 04 18 04 13 978.77 2021 04 18 04 14 978.72 2021 04 18 04 15 977.72 2021 04 18 04 16 977.65 2021 04 18 04 17 977.21 2021 04 18 04 18 976.87 2021 04 18 04 19 976.65 2021 04 18 04 20 976.30 2021 04 18 04 21 976.24 2021 04 18 04 22 975.12 2021 04 18 04 23 974.70 2021 04 18 04 24 974.70 2021 04 18 04 25 974.59 2021 04 18 04 26 972.25 2021 04 18 04 27 971.93 2021 04 18 04 28 971.88 2021 04 18 04 29 970.79 2021 04 18 04 30 970.44 2021 04 18 04 31 970.44 2021 04 18 04 32 970.44 2021 04 18 04 33 970.44 2021 04 18 04 34 970.44 2021 04 18 04 35 970.44 2021 04 18 04 36 970.44 2021 04 18 04 37 970.44 2021 04 18 04 38 970.44 2021 04 18 04 39 970.44 2021 04 18 04 40 970.44 2021 04 18 04 41 970.44 2021 04 18 04 42 970.44 2021 04 18 04 43 970.44 2021 04 18 04 44 970.44 2021 04 18 04 45 970.44 2021 04 18 04 46 970.44 2021 04 18 04 47 970.44 2021 04 18 04 48 970.44 2021 04 18 04 49 970.44 2021 04 18 04 50 970.44 2021 04 18 04 51 970.44 2021 04 18 04 52 970.44 2021 04 18 08 19 1003.29 2021 04 18 08 20 1003.10 2021 04 18 08 21 1002.71 2021 04 18 08 22 1002.40 2021 04 18 08 23 1002.00 2021 04 18 08 24 1001.65 2021 04 18 08 25 1001.39 2021 04 18 08 26 1001.11 2021 04 18 08 27 1000.82 2021 04 18 08 28 1000.55 2021 04 18 08 29 1000.23 2021 04 18 08 30 1000.10 2021 04 18 08 31 999.27 2021 04 18 08 32 998.56 2021 04 18 08 33 998.00 2021 04 18 08 34 997.80 2021 04 18 08 35 996.91 2021 04 18 08 36 996.41 2021 04 18 08 37 996.41 2021 04 18 08 38 996.41 2021 04 18 08 39 996.41 2021 04 18 08 40 996.41 2021 04 18 08 41 996.41 2021 04 18 08 42 996.41 2021 04 18 08 43 996.41 2021 04 18 08 44 996.41 2021 04 18 08 45 996.41 2021 04 18 08 46 996.41 2021 04 18 08 47 996.41 2021 04 18 08 48 996.41 2021 04 18 08 49 996.41 2021 04 18 08 50 996.41 2021 04 18 08 51 996.41 2021 04 18 08 52 996.41 2021 04 18 08 53 996.41 2021 04 18 19 53 912.36 2021 04 18 19 54 912.36 2021 04 18 19 55 911.85 2021 04 18 19 56 910.67 2021 04 18 19 57 910.67 2021 04 18 19 58 910.67 2021 04 18 19 59 910.67 2021 04 18 20 00 910.67 2021 04 18 20 01 910.67 2021 04 18 20 02 910.67 2021 04 18 20 03 910.67 2021 04 18 20 04 910.67 2021 04 18 20 05 910.67 2021 04 18 20 06 910.67 2021 04 18 20 07 910.67 2021 04 18 20 08 910.67 2021 04 18 20 09 910.67 2021 04 18 20 10 910.67 2021 04 18 20 11 910.67 2021 04 18 20 12 910.67