Table 9 Climatic variables for three agroclimatic zones of Tamil Nadu.
Zone | High Rainfall Zone | Southern Zone | Cauvery Delta Zone | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Year | Average Annual Rainfall (mm) | Temperature | Relative Humidity (%) | Average Annual Rainfall (mm) | Temperature | Relative Humidity (%) | Average Annual Rainfall (mm) | Temperature | Relative Humidity (%) | |||
Max (°C) | Min (°C) | Max (°C) | Min (°C) | Max (°C) | Min (°C) | |||||||
2001 | 1977.54 | 39.32 | 15.98 | 82.75 | 1059.96 | 42.44 | 14.99 | 72.06 | 664.45 | 42.33 | 16.37 | 69.25 |
2002 | 1360.55 | 37.95 | 15.63 | 79.62 | 764.65 | 41.02 | 14.59 | 68.44 | 548.44 | 41.80 | 15.89 | 66.25 |
2003 | 1328.91 | 36.72 | 15.65 | 81.25 | 1012.50 | 40.83 | 15.15 | 70.62 | 785.74 | 41.17 | 16.42 | 68.94 |
2004 | 1829.88 | 39.07 | 15.46 | 81.88 | 1307.81 | 42.39 | 15.05 | 73.12 | 975.59 | 42.80 | 15.62 | 71.62 |
2005 | 1845.70 | 39.23 | 16.15 | 82.94 | 1402.73 | 40.81 | 14.81 | 73.44 | 1133.79 | 40.87 | 15.74 | 71.06 |
2006 | 2072.46 | 38.77 | 14.79 | 83.38 | 1128.52 | 41.60 | 14.09 | 73.81 | 748.83 | 42.08 | 14.51 | 71.44 |
2007 | 1265.62 | 39.56 | 14.64 | 80.88 | 780.47 | 41.25 | 14.38 | 68.12 | 696.09 | 41.48 | 14.38 | 67.56 |
2008 | 1302.54 | 35.90 | 15.10 | 81.81 | 980.86 | 39.92 | 13.64 | 71.38 | 991.41 | 40.54 | 14.94 | 71.69 |
2009 | 980.86 | 39.00 | 15.46 | 77.88 | 595.90 | 42.45 | 15.23 | 64.75 | 616.99 | 42.19 | 16.23 | 65.69 |
2010 | 1096.88 | 39.31 | 16.63 | 79.31 | 986.13 | 41.40 | 15.47 | 68.38 | 1001.95 | 41.67 | 16.28 | 69.94 |
2011 | 759.38 | 38.65 | 15.76 | 76.75 | 727.23 | 40.32 | 14.87 | 68.50 | 806.84 | 40.23 | 15.20 | 69.62 |
2012 | 727.73 | 38.45 | 15.48 | 76.50 | 553.71 | 40.66 | 14.35 | 65.19 | 622.27 | 41.04 | 15.08 | 67.31 |
2013 | 965.04 | 38.62 | 16.78 | 78.44 | 585.35 | 42.23 | 15.83 | 63.62 | 580.08 | 42.53 | 16.31 | 64.75 |
2014 | 1207.62 | 39.25 | 16.82 | 79.38 | 775.20 | 41.15 | 16.15 | 67.00 | 738.28 | 41.27 | 17.05 | 66.88 |
2015 | 1360.55 | 37.64 | 15.95 | 81.12 | 970.31 | 38.83 | 15.26 | 71.38 | 1065.23 | 40.13 | 15.78 | 71.25 |
2016 | 495.70 | 39.54 | 16.07 | 75.44 | 479.88 | 43.33 | 15.90 | 64.25 | 421.88 | 43.60 | 16.07 | 64.81 |
2017 | 912.30 | 39.15 | 16.48 | 76.38 | 896.48 | 42.74 | 15.73 | 68.69 | 738.28 | 43.08 | 15.87 | 67.81 |
2018 | 827.93 | 38.26 | 16.75 | 78.56 | 733.01 | 39.86 | 14.85 | 68.62 | 606.45 | 40.08 | 15.55 | 68.38 |
2019 | 1081.05 | 39.75 | 16.12 | 76.00 | 891.21 | 41.55 | 15.09 | 66.88 | 849.02 | 42.73 | 16.05 | 66.94 |
2020 | 928.12 | 38.71 | 17.29 | 78.62 | 1059.96 | 41.23 | 16.80 | 70.50 | 938.67 | 41.98 | 16.79 | 70.38 |
2021 | 1899.07 | 38.52 | 15.23 | 83.69 | 1379.36 | 40.86 | 14.16 | 75.56 | 1339.78 | 40.73 | 15.24 | 75.38 |
Mean | 1248.83 | 38.64 | 15.92 | 79.65 | 908.15 | 41.28 | 15.07 | 69.25 | 803.34 | 41.63 | 15.78 | 68.90 |