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USA Extremes


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High Temp
112° Death Valley, CA
 
Low Temp
23° Angel Fire, NM
 
Precipitation
2.80" Georgetown, SC

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Monthly Barometric Pressure Summary (inHg)

Data last updated 05/17/12 10:05.






Daily DetailMonthly SummarySeasonal Summary


Maximum Average Barometric Pressure
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
201230.27 30.14 30.24 30.07 29.93* ---------------------30.27*
201130.29 30.44 30.16 30.19 30.11 29.85 29.87 29.83 29.94 30.00 30.33 30.39 30.44
201030.20 30.25 30.21 30.05 30.12 ------29.95 29.88 30.07 30.39 30.14 30.39*
200930.36 30.20* 30.13 30.11 29.94 ---------------------30.36*
200830.40 30.34 30.32 30.12 ------------------------30.40*
200730.46 30.39* 30.42* 30.14* ------------------------30.46*
2006---------30.01 ---------------------30.51 30.51*
Max30.46 30.44 30.42 30.19 30.12 29.85 29.87 29.95 29.94 30.07 30.39 30.51 30.51
 
Average Barometric Pressure
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
201230.10  29.97 0.07 inHg less than the February average.29.93 0.05 inHg less than the March average.29.88  29.84* 0.01 inHg more than the May average.---------------------29.95*  
201130.04 0.06 inHg less than the January average.30.04  29.93 0.05 inHg less than the March average.29.82 0.06 inHg less than the April average.29.79 0.04 inHg less than the May average.29.70  29.71  29.71 0.07 inHg less than the August average.29.79 0.02 inHg more than the September average.29.86 0.03 inHg less than the October average.30.01 0.01 inHg less than the November average.30.09 0.02 inHg less than the December average.29.87 0.08 inHg less than the yearly average.
201029.98 0.12 inHg less than the January average.29.95 0.09 inHg less than the February average.29.97 0.01 inHg less than the March average.29.87 0.01 inHg less than the April average.29.85 0.02 inHg more than the May average.------29.85 0.07 inHg more than the August average.29.74 0.03 inHg less than the September average.29.92 0.03 inHg more than the October average.30.02  29.98 0.13 inHg less than the December average.29.91* 0.04 inHg less than the yearly average.
200930.11 0.01 inHg more than the January average.30.04*  29.94 0.04 inHg less than the March average.29.91 0.03 inHg more than the April average.29.84 0.01 inHg more than the May average.---------------------29.97* 0.02 inHg more than the yearly average.
200830.18 0.08 inHg more than the January average.30.11 0.07 inHg more than the February average.30.03 0.05 inHg more than the March average.29.91 0.03 inHg more than the April average.------------------------30.06* 0.11 inHg more than the yearly average.
200730.21 0.11 inHg more than the January average.30.15* 0.11 inHg more than the February average.30.07* 0.09 inHg more than the March average.29.92* 0.04 inHg more than the April average.------------------------30.09* 0.14 inHg more than the yearly average.
2006---------29.88  ---------------------30.25 0.14 inHg more than the December average.30.07* 0.12 inHg more than the yearly average.
Avg30.10 30.04 29.98 29.88 29.83 29.70 29.71 29.78 29.77 29.89 30.02 30.11 29.95
 
Minimum Average Barometric Pressure
DateJanFebMarAprMayJunJulAugSepOctNovDecYear
201229.94 29.78 29.69 29.75 29.76* ---------------------29.69*
201129.84 29.71 29.66 29.67 29.52 29.58 29.58 29.59 29.62 29.74 29.68 29.69 29.52
201029.43 29.63 29.72 29.70 29.68 ------29.73 29.54 29.78 29.83 29.62 29.43*
200929.84 29.88* 29.74 29.63 29.74 ---------------------29.63*
200829.97 29.80 29.81 29.68 ------------------------29.68*
200729.95 29.97* 29.85* 29.69* ------------------------29.69*
2006---------29.68 ---------------------29.85 29.68*
Min29.43 29.63 29.66 29.63 29.52 29.58 29.58 29.59 29.54 29.74 29.68 29.62 29.43
 
Color Key
< 29.25 29.25 - 29.40 29.40 - 29.55 29.55 - 29.70 29.70 - 29.85 29.85 - 30.00 30.00 - 30.15 30.15 - 30.30 30.30 - 30.45 30.45 - 30.60 30.60 - 30.75 30.75 - 30.9030.90>
* denotes incomplete data for the month/year.

Script developed by Murry Conarroe of Wildwood Weather.