Isohyets

The isohyet to the left is from the Hong Kong observatory in 2003. It was/is used to gauge the rainfall distribution in millimeters.

Its URL is: http://images.google.com/imgres?imgurl=http://www.hko.gov.hk/publica/tc/tc2003/images/figure/figure322.gif&imgrefurl=http://www.hko.gov.hk/publica/tc/tc2003/english/figure322.htm&usg=__XG_2K5yOvCm12PzhV_-TaSe8UHQ=&h=455&w=618&sz=136&hl=en&start=19&um=1&tbnid=aCnK4tmz3vOkiM:&tbnh=100&tbnw=136&prev=/images%3Fq%3Disohyets%26ndsp%3D18%26hl%3Den%26rls%3Dcom.microsoft:*:IE-SearchBox%26rlz%3D1I7GZFA%26sa%3DN%26start%3D18%26um%3D1