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Table 1 Annual mean rainfall and Discharge Scenario of Sylhet

From: The rainfall and discharge trends of Surma River area in North-eastern part of Bangladesh: an approach for understanding the impacts of climatic change

Indicator Rainfall (mm) Discharge (m3/s)
Mean 434.09 845.99
Median 419.55 851.52
Standard deviation 67.96 282.67
Skewness 0.62 0.62
Range 277.77 1046.91
Lowest annual mean 328.66 (1994) 343.55 (2014)
Highest annual mean 606.44 (1988) 1390.47 (1991)
Highest monthly peak 1394 (2004-July) 3310.96 (1990-June)
Lowest monthly peak 0 1.77 (2014-April)
Highest monthly mean 797.61 (June) 2176.87 (August)
Lowest monthly mean 9.48 (December) 19.00 (January)