libgis: add color rule precipitation_daily

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62221 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gis/colors.desc

@@ -26,6 +26,7 @@ ndwi: Normalized Difference Water Index colors
 population: color table covering human population classification breaks
 population_dens: color table covering human population density classification breaks
 precipitation: precipitation color table (0..2000mm)
+precipitation_daily: precipitation color table (0..1000mm)
 precipitation_monthly: precipitation color table (0..1000mm)
 rainbow: rainbow color table
 ramp: color ramp

lib/gis/colors/precipitation_daily

@@ -0,0 +1,11 @@
+0       white
+1       158:255:222
+5       200:255:255
+10      cyan
+20      0:0:255
+30      153:51:255
+40      violet
+50      51:0:51
+70      20:0:20
+100     0:0:0
+10000    0:0:0