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 |