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Percentage departure from normal value Large Excess : +60% and above Excess : +20% to +59% Normal : +19% to -19% Deficient : -20% to -59% Large Deficient : -60% or less No rain :-100 %
| PRE-MONSOON RAINFALL 2020 METEOROLOGICAL CENTRE, THIRUVANANTHAPURAM 1st MARCH 2020 TO 31st MAY 2020 | | SUB DIVISION /DISTRICTS | Actual Rainfall (mm) | Normal Rainfall (mm) | Percentage Departure (%) | | KERALA | 387.5 | 361.5 | 7 | NORMAL | | LAKSHADWEEP | 237.3 | 203.3 | 17 | NORMAL | | ALAPPUZHA | 517.8 | 451.7 | 15 | NORMAL | | KANNUR | 214.8 | 281.9 | -24 | DEFICIENT | | ERNAKULAM | 431.3 | 400.6 | 8 | NORMAL | | IDUKKI | 449.2 | 426.4 | 5 | NORMAL | | KASARAGODE | 126.7 | 273.3 | -54 | DEFICIENT | | KOLLAM | 514.2 | 455.2 | 13 | NORMAL | | KOTTAYAM | 649.6 | 433.2 | 50 | EXCESS | | KOZHIKODE | 339.6 | 349.6 | -3 | NORMAL | | MALAPPURAM | 246.3 | 313.3 | -21 | DEFICIENT | | PALAKKAD | 174.7 | 244 | -28 | DEFICIENT | | PATHANAMTHITTA | 856 | 495.3 | 73 | LARGE EXCESS | | THIRUVANANTHAPURAM | 592.2 | 363.9 | 63 | LARGE EXCESS | | THRISSUR | 266.4 | 371 | -28 | DEFICIENT | | WAYANAD | 286.9 | 275.3 | 4 | NORMAL | | MAHE | 234.8 | 345.3 | -32 | DEFICIENT | |
