Days with rain greater than or equal to threshold (0.25 mm)
    Year        1        2        3        4        5        6        7        8        9       10       11       12    Total
    2011                                   6       10                                                                        
    2010       24       20       16       13        7                          4        7        8        5                  
    2009        5        3       12        6       10        4        3        5        4       12       20       11       95
    2008       20        7       27       11       13        8        4       13        2        7        9        9      130
    2007       21       17       24       17        7       14        7       13       14       21       16       20      191
    2006                                                                                5       13       20       19         
 Average       18       12       20       11        9        9        5        9        6       12       14       15      138 
 Std Dev        9        8        7        5        3        5        2        5        5        6        7        6       48