Barometric Pressure Hourly Averages

Barometric pressure is the force per unit area (pressure) exerted by the atmosphere as a consequence of gravitational attraction exerted upon the "column" of air lying directly above a specific point. These values are expressed in millibars. The millibar is a metric unit of pressure commonly used in aviation and meteorology. One millibar is equal to 100 Newtons/meter2 (100 pascals).

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Barometric Pressure Hourly Averages for Wednesday, July 23, 2014.
measured in millibars
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00
CT-ME-MA-NH-RI-VT - all times are in Eastern Standard Time
32 11009.71009.11008.71008.51008.11007.91007.71007.41006.9 32  1 1 Oth Gov
1100 21002.61002.21001.71001.51001.11001.01001.01000.81000.3 1100  2 1 Oth Gov
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00
NJ-NY-PR-VI - all times are in Eastern Standard Time
1035 3999.6999.5998.5998.2998.1998.2998.0998.0997.9 1035  3 1 Oth Gov
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00
KY-TN-NC-SC-MS-AL-GA-FL - all times are in Eastern Standard Time
7 4958.1957.6957.1957.2957.4957.6958.0958.3958.2 7  4 1 Oth Gov
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00
CA-NV-AZ-HI-AS-GU - refer to the first data column for each site's specific time zone
PST1017 5892.5892.4892.3892.3892.7892.8893.2893.3892.9 1017  5 1 Other
PST1018 6892.1891.9891.6892.1892.5892.2892.4892.7892.5 1018  6 1 Other
PST1023 7877.0877.0876.8876.9877.2878.1877.8878.0877.1 1023  7 1 Oth Gov
PST1026 8876.8876.8876.7876.7876.9877.2877.4877.5877.2 1026  8 1 Oth Gov
PST1028 9884.2884.0884.0883.6884.5884.4883.5883.8884.0 1028  9 1 Oth Gov
MST1030 10963.0963.2963.1963.1963.0963.6964.3964.7964.7 1030  10 1 Oth Gov
PST1033 11880.7880.9880.7880.8881.2881.3881.1881.3882.0 1033  11 1 Oth Gov
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00
WA-OR-ID-AK - all times are in Pacific Standard Time
3 12967.7966.6966.0964.4963.4962.8963.3963.0962.5 3  12 1 Oth Gov
13 12980.2978.4978.1977.5975.6975.4975.8975.9975.3 13  12 1 Oth Gov
14 12899.3898.0897.9896.7895.6894.7894.6894.5894.2 14  12 1 Oth Gov
1036 131010.31010.11009.71009.81010.11010.41010.81011.41011.6 1036  13 1 Oth Gov
Notes:
    - These sites are maintained and operated by Passamaquoddy Tribe at Pleasant Point.
    - These sites are maintained and operated by Penobscot Indian Nation.
    - These sites are maintained and operated by St. Regis Mohawk Tribe.
    - These sites are maintained and operated by Eastern Band of Cherokee Indians.
    - These sites are maintained and operated by Walker River Paiute Tribe.
    - These sites are maintained and operated by Lone Pine Paiute-Shoshone Tribe.
    - These sites are maintained and operated by Bishop Paiute Tribe EMO-Air.
    - These sites are maintained and operated by Pyramid Lake Paiute Tribe.
    - These sites are maintained and operated by Fort Independence Paiute Tribe.
    10 - These sites are maintained and operated by Fort McDowell Yavapai Nation.
    11 - These sites are maintained and operated by Big Pine Band of Owens Valley Paiute Shoshone Indians of the Big Pine Reservation.
    12 - These sites are maintained and operated by Nez Perce Tribe ERWM.
    13 - These sites are maintained and operated by Confederated Tribes of the Coos-Lower Umpqua-Suislaw Indians.

    TREX does not certify the validity or quality of data it hosts from other monitoring entities.
Maximum values for the day are bold within the table. Minimum values are bold italic.

PLEASE NOTE:  This data has not been verified by TREX and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from TREX ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in Local Standard Time.


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