Grid Point #: 011974 
Longitude:   -77.1429
Latitude:     39.3552
Contributing Station, distance (km).
HB16    2.8
MDDM    6.1
UMBC   38.7
LOYK   39.3
DEW3   43.4
JMT2   44.8
DCDC   45.7
MDSK   46.2
PAGB   53.4