| 
      
        | Seasons | Months | 2010 | 2011 |  
        | Station I | Station II | Station I | Station II |  
        | Post monsoon | January | 0.30 | 0.30 | 0.21 | 0.20 |  
        | February | 0.15 | 0.14 | 0.16 | 0.16 |  
        | March | 0.30 | 0.31 | 0.24 | 0.21 |  
        | Summer | April | 0.35 | 0.34 | 0.35 | 0.32 |  
        | May | 0.23 | 0.21 | 0.13 | 0.12 |  
        | June | 0.15 | 0.14 | 0.16 | 0.15 |  
        | Pre monsoon | July | 0.13 | 0.12 | 0.12 | 0.11 |  
        | August | 0.27 | 0.28 | 0.26 | 0.22 |  
        | September | 0.15 | 0.14 | 0.15 | 0.14 |  
        | Monsoon | October | 0.32 | 0.33 | 0.31 | 0.32 |  
        | November | 0.27 | 0.26 | 0.08 | 0.07 |  
        | December | 0.23 | 0.22 | 0.12 | 0.13 |  |