No.

Period/

Season

Drought Intensity

Drought Years by Location

Pemba

Unguja

Around PKFR

JNIA

Kisarawe

1.

MAM

Extreme Drought

−2.2 April 2009

(−2.0) March 1965,

(−2.3) March 2010, 2004

Severe Drought

(−1.9) May 1991

(−1.9) March 2011, 1965, 2003, 2009, 2010,

(−1.9) April 1975, 1961, 1991 2003, 2009, 2010, 2011

(−1.8) April 2003, 2004, 2009, 2010,

Moderate Drought

(−1.4) 1975, 1981, 1984, 1987, 1988, 1992, 1996, 2003, 2004.

(−1.4) 1975, 2000, 1984, 1988, 1994, 1996, 2002, 2003, 2006, 2009, 2010, 2011

(−1.45) 1961, 1957, 1970, 1974, 1980, 1988, 1997, 2003, 2004, 2005, 2009, 2010, 2011

(−1.4) 2004, 1980, 1982, 1988, 2005, 2006, 2010

2.

OND

Extreme Drought

(−2.7) Dec 2003, 2009

(−2.7) Nov 2009, 2003

(−2.7) Dec 2003, 2009

Severe Drought

(−1.8) 2003

(−1.8) Oct 2003, 1996 2000, 2009, 2010

(−1.9) Oct 2003, 1965, 1970, 1987, 2011

(−1.9) Oct 2009

Moderate Drought

(−1.4) 1974, 1980, 1987, 1991, 1996, 2003, 2005, 2008.

(−1.39) 2010, 2000, 1964, 1965, 1970, 1974, 1980, 1995, 1996, 2001, 2008,

(−1.49) 1980, 1956, 1970, 1971, 1973, 1974, 1975, 1988, 2007

(−1.4) 1987, 1980, 2004, 2005, 2010