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- Rain Spi3 World
Rain SPI3 of the world per half minute
Click on the Name to view the long term averages per half miniute GRID cellSPI formula is defined as the Observed rainfall in mm. over 3 months minus the Average over 3 months divided by the Standard Deviation of 3 months
| YEAR | NAME | TOTAL CELLS | JANUARY | FEBRUARY | MARCH | APRIL | MAY | JUNE | JULY | AUGUST | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | El Salvador | 14 | -1.3 | -.7 | -.2 | -1.3 | 1.1 | -1.7 | -1.9 | -1.3 | -.1 | 1.1 | 1.6 | 1.3 |
| 1976 | El Salvador | 14 | .6 | -.4 | -.6 | .1 | 1.9 | 1.3 | .3 | -.1 | -1.4 | -1.3 | -1 | -.8 |
| 1977 | El Salvador | 14 | -.6 | -.6 | -1 | .2 | 2.7 | 1.1 | -.1 | -.4 | -1.4 | -1.3 | -1.2 | -.6 |
| 1978 | El Salvador | 14 | .4 | -.5 | .4 | .3 | 2.1 | -.6 | .1 | .1 | .4 | -.4 | -.4 | -.5 |
| 1979 | El Salvador | 14 | -.1 | .6 | .1 | 2.4 | 2.6 | .6 | 0 | .5 | .6 | .8 | .6 | .2 |
| 1980 | El Salvador | 14 | .2 | 1 | .6 | -.7 | 2.4 | .5 | .6 | .6 | .9 | 1.1 | .6 | .1 |
| 1981 | El Salvador | 14 | -.6 | -.2 | .5 | -.4 | 2 | .8 | 1.5 | 1.2 | .6 | .6 | .3 | .6 |
| 1982 | El Salvador | 14 | -.4 | 1.2 | .5 | .5 | 3 | .7 | .2 | -1.1 | -.2 | .4 | 1.5 | .4 |
| 1983 | El Salvador | 14 | -.4 | .2 | .6 | .4 | .8 | -1.1 | -1.2 | -.4 | -.7 | -.6 | -.2 | .5 |
| 1984 | El Salvador | 14 | 1.2 | .5 | .2 | -.3 | 2.9 | .6 | 1.5 | .6 | 1.2 | .4 | .2 | -.8 |
| 1985 | El Salvador | 14 | -1 | -.7 | -.4 | -.1 | 1 | -1.6 | -1 | -.3 | -.2 | -.6 | .4 | 1.4 |
| 1986 | El Salvador | 14 | 2.9 | 0 | -.4 | -.8 | 2.7 | 0 | -.3 | -.8 | -.8 | -.7 | -.8 | -.6 |
| 1987 | El Salvador | 14 | -.6 | -.9 | 0 | -.3 | .9 | -.2 | .7 | .9 | -.2 | -1.8 | -2.2 | -1.9 |
| 1988 | El Salvador | 14 | -.2 | 1.4 | 1.7 | -.2 | 1.8 | .4 | .9 | 2 | 1.9 | 1.6 | .2 | -.2 |
| 1989 | El Salvador | 14 | -.2 | 0 | -.3 | .2 | 1.9 | -.1 | .1 | .1 | 1 | .9 | 1.4 | .2 |
| 1990 | El Salvador | 14 | .4 | .2 | .2 | .8 | 3.2 | .3 | .1 | -.6 | -.3 | -.2 | .4 | .6 |
| 1991 | El Salvador | 14 | 1.1 | .1 | -.6 | -.4 | 2 | .5 | -.3 | -.8 | -1.4 | -.4 | .1 | .9 |
| 1992 | El Salvador | 14 | .4 | 1.5 | .2 | .5 | 1.6 | .2 | .3 | .3 | .2 | -.4 | -.2 | -.7 |
| 1993 | El Salvador | 14 | -.1 | -.1 | .1 | -.1 | 2.9 | .7 | .1 | 0 | .2 | .8 | .2 | -.4 |
| 1994 | El Salvador | 14 | -1 | -.8 | -.8 | -.4 | 1.6 | -.7 | -1.1 | -.3 | -.4 | -.3 | -.9 | -.7 |
| 1995 | El Salvador | 14 | -.8 | -1 | -.4 | .4 | 2.9 | .2 | .5 | 1.5 | 2.1 | 1.6 | -.2 | -.3 |
| 1996 | El Salvador | 14 | .4 | 3.2 | 0 | 2.1 | 3.2 | -.2 | .1 | -.1 | .4 | -.2 | .2 | .5 |
| 1997 | El Salvador | 14 | 1.3 | .4 | 1.8 | -.1 | .5 | .7 | 1 | 1.5 | -.1 | -.4 | -.2 | 0 |
| 1998 | El Salvador | 14 | .5 | -1.2 | -.9 | -1 | 1.8 | -.8 | -.5 | -.3 | -.6 | .5 | .8 | 2.3 |
| 1999 | El Salvador | 14 | 1 | -.6 | -.5 | -1 | 1.6 | -.4 | -.4 | 0 | .7 | .6 | .2 | -.8 |
| 2000 | El Salvador | 14 | -.6 | -.8 | -1 | -1.3 | 2.4 | -.1 | .1 | -.7 | -.4 | -.5 | -.4 | -.5 |
| 2001 | El Salvador | 14 | -1.1 | .1 | .1 | -.7 | .9 | -2.3 | -2.1 | -1.6 | -.8 | -1.1 | -1.3 | -1.2 |
| 2002 | El Salvador | 14 | -1 | -1 | -1 | -1.2 | 1.7 | -.7 | -.8 | -1.2 | -.4 | .4 | 1.1 | .6 |
| 2003 | El Salvador | 14 | -.2 | -.8 | 1.3 | .3 | 2.1 | .4 | .1 | .4 | -.3 | .3 | 0 | .4 |
| 2004 | El Salvador | 14 | -.3 | -.6 | -.6 | .8 | 2.5 | 0 | -.5 | -.8 | -.9 | .2 | .6 | 1.3 |
| 2005 | El Salvador | 14 | -1 | -1.2 | -.5 | -.4 | 2 | .1 | .1 | 0 | .4 | .5 | .4 | -.5 |
| 2006 | El Salvador | 14 | -.9 | -.7 | -.5 | -.6 | 2.7 | 1.6 | 1.7 | .1 | -.4 | .2 | 2.5 | 3.5 |
| 2007 | El Salvador | 14 | 4.8 | 3.1 | -.6 | .3 | 2 | -.6 | -.8 | .1 | .7 | 1.7 | 1 | .8 |
| 2008 | El Salvador | 12 | -.9 | -.8 | -.7 | -.5 | 2.8 | .2 | .9 | .5 | 2.5 | 3.1 | 3.2 | .9 |
| 2009 | El Salvador | 14 | -.9 | .5 | .4 | -.8 | 2.5 | 1.1 | .7 | -.5 | -.9 | -1 | .1 | .2 |
| 2010 | El Salvador | 14 | 1.7 | .6 | -.7 | 2.1 | 7 | 3.8 | 4.4 | 2.4 | 3.7 | 3.2 | 2.4 | .3 |
| 2011 | El Salvador | 14 | -.7 | 1.3 | 2.4 | 2 | 2.7 | .6 | 1.3 | 1 | 1.9 | 2.1 | 2.3 | 1.1 |
| 2012 | El Salvador | 14 | -.5 | -.9 | -.5 | 2.2 | 3.8 | .4 | -.8 | -.3 | .7 | 1.5 | .7 | 0 |
| 2013 | El Salvador | 14 | -1.1 | -1.1 | .5 | -.1 | 2.8 | -.2 | -.5 | -.7 | .5 | 1.5 | 2 | 1.3 |
| 2014 | El Salvador | 14 | .4 | -.6 | .7 | -.5 | 2.9 | .2 | -.8 | -1 | .3 | 2.1 | 2.3 | 1.2 |
| 2015 | El Salvador | 14 | -.2 | -.8 | -.3 | -.2 | 1.1 | -1.3 | -2.1 | -2.2 | -.4 | .7 | 2.7 | 1.6 |
| 2016 | El Salvador | 14 | 2 | -.2 | -1.2 | -.6 | 1.4 | -.5 | -1.1 | -1 | -.2 | .6 | 1.1 | .3 |
| 2017 | El Salvador | 14 | -.4 | -.6 | -1 | -.4 | 3.1 | 1.2 | 1.5 | .3 | .7 | .8 | 1.2 | .1 |
| 43 values. Sum: | 600 | 2.2 | -1.9 | -2.4 | 1.2 | 97.5 | 5.1 | 2.5 | -2.4 | 9.1 | 18.1 | 23.3 | 12.1 | |
| Average: | 14 | 0 | -0 | -0 | 0 | 2 | 0 | 0 | -0 | 0 | 0 | 1 | 0 |
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