Weather pattern historical frequency occurrences (IMDAA: 1979 to 2020)


Weather pattern monthly and annual historical frequency occurrences

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Pattern Category Annual
Pattern 1 3.1% 1.2% 0.8% 0.2% 0.1% 8.4% 29.5% 20.9% Retreating Monsoon 5.36%
Pattern 2 17.8% 11.0% 4.8% 0.5% 0.2% 2.8% 14.1% Autumn Dry Period 4.24%
Pattern 3 17.9% 10.0% 4.4% 0.4% 0.7% 5.4% 22.2% Autumn Dry Period 5.08%
Pattern 4 2.1% 19.9% 14.1% 13.0% 2.9% Break Monsoon 4.35%
Pattern 5 0.1% 3.0% 13.7% 31.5% 5.8% 0.1% 0.2% Western Disturbances 4.52%
Pattern 6 3.3% 0.8% 0.8% 1.2% 0.7% 1.0% 19.4% 23.8% 6.8% Retreating Monsoon 4.82%
Pattern 7 9.9% 14.8% 11.5% 7.5% 0.5% 0.1% 0.7% 1.5% 3.9% Autumn Dry Period 4.15%
Pattern 8 3.9% 12.8% 19.8% 4.8% 0.1% 0.1% 0.5% Autumn Dry Period 3.45%
Pattern 9 21.5% 10.8% 3.7% 0.4% 0.8% 3.7% 12.6% Autumn Dry Period 4.44%
Pattern 10 0.1% 6.5% 12.3% 10.9% 1.0% Break Monsoon 2.59%
Pattern 11 0.7% 4.4% 19.7% 14.4% 2.9% Break Monsoon 3.56%
Pattern 12 0.2% 0.9% 6.1% 21.8% 12.7% 0.1% 0.2% 1.2% 1.2% 0.4% 0.2% Post-Monsoon 3.76%
Pattern 13 1.6% 12.3% 4.8% 1.1% 3.0% 16.3% 4.8% 0.2% 0.1% Post-Monsoon 3.68%
Pattern 14 1.7% 6.3% 2.6% 9.3% 12.8% 0.2% Post-Monsoon 2.74%
Pattern 15 0.2% 1.3% 19.0% 3.2% 0.2% 9.1% 4.8% 0.6% 0.2% Post-Monsoon 3.24%
Pattern 16 5.0% 9.4% 13.1% 2.0% 0.1% 0.1% 0.5% 0.9% Autumn Dry Period 2.56%
Pattern 17 4.9% 10.3% 11.8% 7.1% 0.3% Active Monsoon 2.88%
Pattern 18 0.3% 0.1% 0.2% 0.6% 0.6% 11.0% 18.5% 8.4% Retreating Monsoon 3.31%
Pattern 19 6.9% 18.4% 13.0% 0.5% Active Monsoon 3.27%
Pattern 20 10.1% 11.3% 6.6% 1.7% 0.2% 0.1% 0.4% 3.4% Autumn Dry Period 2.76%
Pattern 21 9.7% 13.4% 14.1% 2.9% Active Monsoon 3.37%
Pattern 22 0.2% 16.4% 7.1% 0.5% 1.2% 4.6% 1.5% 0.1% Post-Monsoon 2.64%
Pattern 23 0.6% 2.9% 7.7% 9.8% 2.8% 0.2% 0.6% 0.2% Western Disturbances 2.06%
Pattern 24 0.1% 0.8% 11.0% 13.6% 0.2% 0.1% 0.3% 0.1% 0.2% Western Disturbances 2.19%
Pattern 25 0.1% 2.1% 2.1% 3.0% 18.0% 8.9% 2.5% Retreating Monsoon 3.07%
Pattern 26 2.7% 21.3% 6.9% 3.8% 1.4% Monsoon Onset 3.01%
Pattern 27 6.1% 11.0% 5.7% 1.8% 0.3% 0.2% 0.2% 0.1% 2.5% Western Disturbances 2.27%
Pattern 28 2.0% 2.4% 0.6% 4.8% 21.2% 3.8% Retreating Monsoon 2.89%
Pattern 29 0.2% 0.2% 1.6% 1.5% 0.2% 5.7% 12.2% 2.9% 0.3% Retreating Monsoon 2.07%
Pattern 30 1.9% 0.8% 0.2% 5.0% 10.6% 1.0% 0.2% Retreating Monsoon 1.64%


Page created at 00:54:15 (India local time) on Wed 13 Sep 2023

Data provided by the India Meteorological Department, MoES, GoI  Colloboration with Met Office  Under WCSSP Project


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