Skip to main content

Table 4 Drought duration and magnitude distinctiveness at different time scale for the GWB during 1901–2002

From: Spatial and temporal appraisal of drought jeopardy over the Gangetic West Bengal, eastern India

Lag time Longest duration (≤ − 1.0 for consecutive months) Duration of most intense drought (≤ − 2.0 for consecutive months)
DDL(M) Year MD MID DDI(M) Year MD MID DDA(M)
3-month 7 Nov, 1921 to May, 1922 −12.75 − 1.82 3 May, 1972 to July, 1972 −7.31 −2.44 1.96
12-month 21 Sept, 1957 to May, 1959 − 28.76 −1.37 7 Sept, 1966 to March, 1967 −16.05 −2.29 4.18
24-month 27 April, 1954 to June, 1956 − 42.12 −1.56 13 June, 1967 to June, 1968 −31.45 −2.42 7.56
  1. DDA(M) Avg. Duration (Month), DDL(M) Observed Longest Duration (Month), DDI(M) Observed Most Intense Duration (Month), MD Magnitude, MID Mean Intensity