December Barometric Pressure (inches of mercury)
    Maximum Barometer     Minimum Barometer     Mean Barometer    
    Avg   High   Low     Avg   Low   High     Mean   High   Low        
Dec 1   30.172   30.87   1993   29.51   1997     29.824   29.08   1972   30.67   1993     29.998   30.77   1993   29.34   1987   Dec 1  
Dec 2   30.170   30.77   1986   29.60   1969     29.864   28.97   1974   30.38   2022   30.017   30.49   2014   29.34   1985   Dec 2  
Dec 3   30.146   30.76   1990   29.41   1974     29.839   29.03   1989   30.48   2011   29.993   30.59   2011   29.23   1974   Dec 3  
Dec 4   30.141   30.72   1966   29.56   2019     29.814   29.01   1978   30.55   1966     29.978   30.64   1966   29.47   1970   Dec 4  
Dec 5   30.153   30.77   1971   29.30   1968     29.818   29.01   1968   30.52   2015     29.986   30.58   2015   29.16   1968   Dec 5    
Dec 6   30.101   30.63   1976   29.52   1997     29.770   28.85   1977   30.34   2022   29.936   30.46   1976   29.19   1977   Dec 6   Links
Dec 7   30.115   30.66   1935   29.45   1962     29.794   29.05   1959   30.26   1950   29.955   30.41   1950   29.28   1959   Dec 7    
Dec 8   30.200   30.69   2014   29.46   1981     29.873   29.20   2011   30.42   2013     30.037   30.55   2014   29.40   1981   Dec 8   December Temperatures
Dec 9   30.211   30.74   1936   29.43   1981     29.864   29.18   2009   30.31   2007     30.038   30.44   2002   29.36   1981   Dec 9   December Temp Departure/Range
Dec 10   30.143   30.55   1964   29.48   1981     29.837   29.08   1903   30.36   1949     29.990   30.46   1949   29.39   1981   Dec 10     December Degree Days
Dec 11   30.155   30.78   1983   29.42   2004     29.819   29.18   1969   30.46   2011     29.987   30.61   1983   29.35   1957   Dec 11   December Liquid
Dec 12   30.174   30.72   2019   29.47   1951     29.823   28.95   1944   30.50   2006     29.999   30.57   2006   29.40   1951   Dec 12   December Barometric Pressure
Dec 13   30.189   30.82   1975   29.24   2010     29.868   29.06   2010   30.53   1994     30.028   30.65   1975   29.15   2010   Dec 13   December Humidity
Dec 14   30.206   30.94   2024   29.55   2010     29.856   29.14   2010   30.81   2024     30.031   30.88   2024   29.35   2010   Dec 14   December Dew Points
Dec 15   30.158   30.88   2024   29.24   1954     29.824   29.05   1968   30.64   2024     29.991   30.76   2024   29.16   1954   Dec 15   December Wind & Gusts
Dec 16   30.154   30.64   2024   29.54   1987     29.792   28.87   1972   30.49   1994     29.973   30.56   1994   29.25   1987   Dec 16   December Wind Chills
Dec 17   30.130   30.68   1899   29.64   1976     29.767   28.93   1970   30.32   1949     29.948   30.42   1949   29.39   1973   Dec 17   December Sky & Conditions
Dec 18   30.139   30.59   1957   29.59   2001     29.784   28.92   2023   30.38   1957     29.962   30.49   1957   29.37   2001   Dec 18   December Weather Events
Dec 19   30.169   30.74   1991   29.68   1963     29.837   29.25   1969   30.46   1964     30.003   30.55   1964   29.51   1986   Dec 19   December Number Of Days
Dec 20   30.195   30.97   1990   29.50   1995     29.866   29.09   1934   30.42   1979     30.031   30.60   1990   29.43   1995   Dec 20     December Water Temperatures
Dec 21   30.172   30.94   1983   29.42   1978     29.844   28.95   1973   30.50   1983     30.008   30.72   1983   29.21   1976   Dec 21   December Sunrise & Sunsets
Dec 22   30.186   30.72   1971   29.68   2012     29.822   28.97   1969   30.47   2007     30.004   30.56   1980   29.38   1969   Dec 22   Home
Dec 23   30.174   30.78   1971   29.76   1991     29.853   28.96   1968   30.64   1971     30.013   30.71   1971   29.46   1968   Dec 23  
Dec 24   30.163   30.68   1949   29.59   1994     29.805   29.19   1968   30.52   1959     29.984   30.58   1959   29.41   1968   Dec 24  
Dec 25   30.154   30.97   1949   29.48   1966     29.788   28.74   1978   30.68   1949     29.971   30.83   1949   29.20   1978   Dec 25    
Dec 26   30.175   30.77   2016   29.47   2005     29.790   28.90   2010   30.45   2008     29.982   30.54   2008   29.29   2005   Dec 26  
Dec 27   30.193   30.92   1990   29.20   1969     29.846   28.71   2010   30.56   1990     30.020   30.74   1990   28.97   1969   Dec 27  
Dec 28   30.176   30.78   1992   29.63   1976     29.862   29.20   1969   30.58   1992     30.019   30.68   1992   29.44   1969   Dec 28  
Dec 29   30.146   30.82   1933   29.49   1976     29.759   28.86   1956   30.43   2006     29.952   30.57   2006   29.34   1976   Dec 29  
Dec 30   30.142   30.68   2006   29.33   1997     29.808   28.89   1997   30.40   1972     29.975   30.50   1978   29.11   1997   Dec 30  
Dec 31   30.172   30.76   1991   29.59   1976     29.881   28.94   1948   30.59   1963     30.026   30.67   1963   29.47   1962   Dec 31  
    Maximum Barometer     Minimum Barometer     Mean Barometer    
    Avg   High   Low     Avg   Low   High     Mean   High   Low        
                                                                       
December Barometric Pressure (milibars)    
                                                                       
    Maximum Barometer     Minimum Barometer     Mean Barometer      
    Avg   High   Low     Avg   Low   High     Mean   High   Low          
Dec 1   32.6   0.0   1900   0.0   1900     12.4   0.0   1900   0.0   1900     25.0   0.0   1900   0.0   1900   Dec 1    
Dec 2   28.2   0.0   1900   0.0   1900     39.5   0.0   1900   0.0   1900     36.7   0.0   1900   0.0   1900   Dec 2    
Dec 3   17.4   0.0   1900   0.0   1900     49.3   64.3   1900   0.0   1900     36.6   0.0   1900   0.0   1900   Dec 3    
Dec 4   7.8   0.0   1900   0.0   1900     41.3   6.8   1900   0.0   1900     35.7   0.0   1900   67.7   1900   Dec 4    
Dec 5   8.5   0.0   1900   0.0   1900     67.2   0.0   1900   0.0   1900     45.5   0.0   T   0.0   1900   Dec 5     Links
Dec 6   28.2   0.0   1900   0.0   1900     112.8   0.0   1900   #####   1900     89.3   0.0   1900   0.0   1900   Dec 6      
Dec 7   20.9   0.0   1900   0.0   1900     26.7   #####   1900   0.0   1900     24.0   #####   1900   0.0   1900   Dec 7     December Temperatures
Dec 8   21.8   0.0   1900   0.0   1900     29.3   0.0   1900   0.0   1900     26.3   0.0   1900   0.0   1900   Dec 8     December Temp Departure/Range
Dec 9   15.9   0.0   1900   0.0   1900     25.7   0.0   1900   0.0   1900     22.5   0.0   1900   0.0   1900   Dec 9     December Degree Days
Dec 10   33.0   0.0   1900   0.0   1900     34.2   0.0   1900   0.0   1900     33.7   0.0   1900   0.0   1900   Dec 10     December Liquid
Dec 11   40.2   0.0   1900   0.0   1900     43.5   0.0   1900   0.0   1900     42.3   0.0   1900   0.0   1900   Dec 11     December Barometric Pressure
Dec 12   24.1   0.0   1900   0.0   1900     71.1   0.0   1900   0.0   1900     56.3   0.0   1900   0.0   1900   Dec 12     December Humidity
Dec 13   15.3   0.0   1900   0.0   1900     105.0   0.0   1900   0.0   1900     70.5   0.0   1900   0.0   1900   Dec 13     December Dew Points
Dec 14   35.2   0.0   1900   0.0   1900     65.1   0.0   1900   0.0   1900     61.6   0.0   1900   0.0   1900   Dec 14     December Wind & Gusts
Dec 15   4.7   0.0   1900   0.0   1900     43.1   0.0   1900   0.0   1900     35.0   0.0   1900   0.0   1900   Dec 15     December Wind Chills
Dec 16   22.9   0.0   1900   0.0   1900     60.0   0.0   1900   0.0   1900     47.6   0.0   1900   0.0   1900   Dec 16     December Sky & Conditions
Dec 17   28.0   0.0   1900   0.0   1900     48.5   0.0   1900   0.0   1900     42.2   0.0   1900   0.0   1900   Dec 17     December Weather Events
Dec 18   30.5   0.0   1900   0.0   1900     50.5   0.0   T   0.0   1900     42.3   0.0   1900   0.0   1900   Dec 18     December Number Of Days
Dec 19   8.2   0.0   1900   0.0   1900     110.2   0.0   1900   0.0   1900     88.4   0.0   1900   0.0   1900   Dec 19     December Water Temperatures
Dec 20   4.4   0.0   1900   0.0   1900     64.5   23.7   1900   0.0   1900     61.4   0.0   1900   0.0   1900   Dec 20     December Sunrise & Sunsets
Dec 21   43.7   0.0   1900   0.0   1900     68.2   10.2   1900   0.0   1900     60.0   0.0   T   33.9   1900   Dec 21     Home
Dec 22   18.5   0.0   1900   0.0   1900     39.7   3.4   T   0.0   1900     34.4   0.0   1900   33.9   1900   Dec 22    
Dec 23   55.1   0.0   1900   0.0   1900     64.8   0.0   1900   0.0   1900     61.0   0.0   1900   33.9   1900   Dec 23    
Dec 24   37.5   0.0   1900   0.0   1900     40.6   0.0   1900   0.0   1900     40.1   0.0   1900   33.9   1900   Dec 24    
Dec 25   30.0   0.0   1900   0.0   1900     25.9   0.0   1900   0.0   1900     27.1   0.0   1900   33.9   1900   Dec 25    
Dec 26   6.9   0.0   1900   0.0   1900     91.3   16.9   1900   0.0   1900     75.7   0.0   1900   33.9   1900   Dec 26    
Dec 27   10.3   0.0   1900   0.0   1900     49.1   0.0   1900   0.0   1900     37.5   0.0   1900   33.9   1900   Dec 27    
Dec 28   18.6   0.0   1900   0.0   1900     45.2   0.0   1900   #####   1900     36.3   0.0   1900   #####   1900   Dec 28    
Dec 29   27.7   0.0   1900   0.0   1900     77.7   0.0   1900   0.0   1900     64.2   #####   1900   0.0   1900   Dec 29    
Dec 30   38.4   0.0   1900   0.0   1900     78.8   0.0   1900   0.0   1900     72.1   #####   1900   0.0   1900   Dec 30  
Dec 31   9.9   0.0   1900   0.0   1900     52.6   0.0   1900   0.0   1900     37.8   #####   1900   0.0   1900   Dec 31  
    Maximum Barometer     Minimum Barometer     Mean Barometer    
    Avg   High   Low     Avg   Low   High     Mean   High   Low        
                                                                     
Updated: Wednesday, January 1, 2025
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